electromyography

Summary

Summary: Recording of the changes in electric potential of muscle by means of surface or needle electrodes.

Top Publications

  1. ncbi Using electroencephalography to study functional coupling between cortical activity and electromyograms during voluntary contractions in humans
    D M Halliday
    Division of Neuroscience and Biomedical Systems, University of Glasgow, UK
    Neurosci Lett 241:5-8. 1998
  2. ncbi Spinal and supraspinal factors in human muscle fatigue
    S C Gandevia
    Prince of Wales Medical Research Institute, Prince of Wales Hospital and University of New South Wales, Randwick, Sydney, Australia
    Physiol Rev 81:1725-89. 2001
  3. pmc Five basic muscle activation patterns account for muscle activity during human locomotion
    Y P Ivanenko
    Human Physiology Section, Fondazione Santa Lucia, 306 via Ardeatina, 00179 Rome, Italy
    J Physiol 556:267-82. 2004
  4. pmc Interhemispheric inhibition of the human motor cortex
    A Ferbert
    MRC Human Movement and Balance Unit, National Hospital for Neurology and Neurosurgery, London
    J Physiol 453:525-46. 1992
  5. ncbi Control of fast-reaching movements by muscle synergy combinations
    Andrea d'Avella
    Department of Neuromotor Physiology, Santa Lucia Foundation, 00179 Rome, Italy
    J Neurosci 26:7791-810. 2006
  6. pmc Effect of epidural stimulation of the lumbosacral spinal cord on voluntary movement, standing, and assisted stepping after motor complete paraplegia: a case study
    Susan Harkema
    Department of Neurological Surgery, Kentucky Spinal Cord Research Center, University of Louisville, KY, USA
    Lancet 377:1938-47. 2011
  7. pmc Transformation of nonfunctional spinal circuits into functional states after the loss of brain input
    Gregoire Courtine
    Neurology Department, University of Zurich, Zurich, Switzerland
    Nat Neurosci 12:1333-42. 2009
  8. ncbi Impulses of activation but not motor modules are preserved in the locomotion of subacute stroke patients
    Leonardo Gizzi
    Department of Neurorehabilitation Engineering, Bernstein Center for Computational Neuroscience, University Medical Center Gottingen, Georg August University, Gottingen, Germany
    J Neurophysiol 106:202-10. 2011
  9. pmc Noninvasive uterine electromyography for prediction of preterm delivery
    Miha Lucovnik
    Department of Obstetrics and Gynecology, St Joseph s Hospital and Medical Center, 445 N 5th Street, Phoenix, AZ 85004, USA
    Am J Obstet Gynecol 204:228.e1-10. 2011
  10. ncbi Committee report: Guidelines for human startle eyeblink electromyographic studies
    Terry D Blumenthal
    Department of Psychology, Wake Forest University, Winston Salem, North Carolina 27109, USA
    Psychophysiology 42:1-15. 2005

Detail Information

Publications435 found, 100 shown here

  1. ncbi Using electroencephalography to study functional coupling between cortical activity and electromyograms during voluntary contractions in humans
    D M Halliday
    Division of Neuroscience and Biomedical Systems, University of Glasgow, UK
    Neurosci Lett 241:5-8. 1998
    ..We conclude that EEG is equally efficient at investigating functional aspects of these cortical rhythms during voluntary movement in humans...
  2. ncbi Spinal and supraspinal factors in human muscle fatigue
    S C Gandevia
    Prince of Wales Medical Research Institute, Prince of Wales Hospital and University of New South Wales, Randwick, Sydney, Australia
    Physiol Rev 81:1725-89. 2001
    ..A number of other central changes occur during fatigue and affect, for example, proprioception, tremor, and postural control. Human muscle fatigue does not simply reside in the muscle...
  3. pmc Five basic muscle activation patterns account for muscle activity during human locomotion
    Y P Ivanenko
    Human Physiology Section, Fondazione Santa Lucia, 306 via Ardeatina, 00179 Rome, Italy
    J Physiol 556:267-82. 2004
    ..A flexible and dynamic distribution of these basic components to the muscles may result from various descending and proprioceptive signals that depend on the kinematic and kinetic demands of the movements...
  4. pmc Interhemispheric inhibition of the human motor cortex
    A Ferbert
    MRC Human Movement and Balance Unit, National Hospital for Neurology and Neurosurgery, London
    J Physiol 453:525-46. 1992
    ..Similarly, H reflexes in relaxed forearm flexor muscles were unaffected by conditioning stimuli to the ipsilateral hemisphere. However, inhibition was observed if the experiment was repeated with the muscles active...
  5. ncbi Control of fast-reaching movements by muscle synergy combinations
    Andrea d'Avella
    Department of Neuromotor Physiology, Santa Lucia Foundation, 00179 Rome, Italy
    J Neurosci 26:7791-810. 2006
    ....
  6. pmc Effect of epidural stimulation of the lumbosacral spinal cord on voluntary movement, standing, and assisted stepping after motor complete paraplegia: a case study
    Susan Harkema
    Department of Neurological Surgery, Kentucky Spinal Cord Research Center, University of Louisville, KY, USA
    Lancet 377:1938-47. 2011
    ....
  7. pmc Transformation of nonfunctional spinal circuits into functional states after the loss of brain input
    Gregoire Courtine
    Neurology Department, University of Zurich, Zurich, Switzerland
    Nat Neurosci 12:1333-42. 2009
    ..These findings provide a strategy by which individuals with spinal cord injuries could regain substantial levels of motor control...
  8. ncbi Impulses of activation but not motor modules are preserved in the locomotion of subacute stroke patients
    Leonardo Gizzi
    Department of Neurorehabilitation Engineering, Bernstein Center for Computational Neuroscience, University Medical Center Gottingen, Georg August University, Gottingen, Germany
    J Neurophysiol 106:202-10. 2011
    ....
  9. pmc Noninvasive uterine electromyography for prediction of preterm delivery
    Miha Lucovnik
    Department of Obstetrics and Gynecology, St Joseph s Hospital and Medical Center, 445 N 5th Street, Phoenix, AZ 85004, USA
    Am J Obstet Gynecol 204:228.e1-10. 2011
    Power spectrum (PS) of uterine electromyography (EMG) can identify true labor. EMG propagation velocity (PV) to diagnose labor has not been reported...
  10. ncbi Committee report: Guidelines for human startle eyeblink electromyographic studies
    Terry D Blumenthal
    Department of Psychology, Wake Forest University, Winston Salem, North Carolina 27109, USA
    Psychophysiology 42:1-15. 2005
    ..It is hoped that this report will foster more methodological validity and reliability in research using the startle response, as well as increase the detail with which relevant methodology is reported in publications using this measure...
  11. ncbi Identifying representative synergy matrices for describing muscular activation patterns during multidirectional reaching in the horizontal plane
    Silvia Muceli
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Neurophysiol 103:1532-42. 2010
    ..The linear combination of synergies may thus be used in strategies for restoring functions, such as FES...
  12. pmc A central source of movement variability
    Mark M Churchland
    Neurosciences Program, Stanford University, Stanford, California 94305, USA
    Neuron 52:1085-96. 2006
    ..Thus, even for a highly practiced task, the ability to repeatedly plan the same movement limits our ability to repeatedly execute the same movement...
  13. ncbi Role of intracortical inhibition in selective hand muscle activation
    Cathy M Stinear
    Department of Sport and Exercise Science, University of Auckland, Auckland, New Zealand 1005, USA
    J Neurophysiol 89:2014-20. 2003
    ..These findings suggest that an increase in ICI and decrease in corticospinal excitability can prevent unwanted muscle activation in a muscle-specific, temporally modulated manner...
  14. pmc Stability of muscle synergies for voluntary actions after cortical stroke in humans
    Vincent C K Cheung
    McGovern Institute for Brain Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
    Proc Natl Acad Sci U S A 106:19563-8. 2009
    ..Our conclusion also suggests an approach to stroke rehabilitation by focusing on those synergies with altered activations after stroke...
  15. ncbi Neural mechanisms of intermuscular coherence: implications for the rectification of surface electromyography
    Tjeerd W Boonstra
    School of Psychiatry, University of New South Wales, Australia
    J Neurophysiol 107:796-807. 2012
    ..However, the neurophysiological mechanisms that translate these rhythmic patterns into surface electromyography (EMG) are not well understood...
  16. ncbi The extraction of neural strategies from the surface EMG
    Dario Farina
    Dipartimento di Elettronica, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy
    J Appl Physiol (1985) 96:1486-95. 2004
    ..Although the global surface EMG is a useful measure of muscle activation and assessment, there are limits to the information that can be extracted from this signal...
  17. ncbi Age-related modifications of muscle synergies and spinal cord activity during locomotion
    Vito Monaco
    Advanced Robotics Technology and System Laboratory, Scuola Superiore Sant Anna, Pisa, Italy
    J Neurophysiol 104:2092-102. 2010
    ....
  18. ncbi Motor control programs and walking
    Yuri P Ivanenko
    Department of Neuromotor Physiology, IRCCS Fondazione Santa Lucia, Rome, Italy
    Neuroscientist 12:339-48. 2006
    ..As a consequence, the selection of muscle synergies appears to be downstream from the processes that generate activation timings...
  19. ncbi A robust, real-time control scheme for multifunction myoelectric control
    Kevin Englehart
    Department of Biomedical Engineering, University of New Brunswick, 25 Dineen Drive, Fredericton, NB E3B5A3, Canada
    IEEE Trans Biomed Eng 50:848-54. 2003
    ..Finally, minimal storage capacity is required, which is an important factor in embedded control systems...
  20. pmc Review of control strategies for robotic movement training after neurologic injury
    Laura Marchal-Crespo
    Department of Mechanical and Aerospace Engineering, University of California, Irvine, CA, USA
    J Neuroeng Rehabil 6:20. 2009
    ....
  21. ncbi Coordination of locomotion with voluntary movements in humans
    Yuri P Ivanenko
    Department of Neuromotor Physiology, Scientific Institute Foundation Santa Lucia, 00179 Rome, Italy
    J Neurosci 25:7238-53. 2005
    ....
  22. ncbi Electromyography activity of vastus lateralis muscle during whole-body vibrations of different frequencies
    Marco Cardinale
    Department of Biomedical Science, University of Aberdeen, Scotland, UK
    J Strength Cond Res 17:621-4. 2003
    The aim of this study was to analyze electromyography (EMG) responses of vastus lateralis muscle to different whole-body vibration frequencies. For this purpose, 16 professional women volleyball players (age, 23.9 +/- 3...
  23. ncbi Increased rate of force development and neural drive of human skeletal muscle following resistance training
    Per Aagaard
    Department of Neurophysiology, Institute of Medical Physiology, Bispebjerg Hospital, University of Copenhagen, DK 2200 Copenhagen, Denmark
    J Appl Physiol (1985) 93:1318-26. 2002
    ..Contractile RFD (slope of force-time curve), impulse (time-integrated force), electromyography (EMG) signal amplitude (mean average voltage), and rate of EMG rise (slope of EMG-time curve) were determined ..
  24. ncbi Scalp electrical recording during paralysis: quantitative evidence that EEG frequencies above 20 Hz are contaminated by EMG
    Emma M Whitham
    Department of Neurology, Flinders University and Medical Centre, GPO Box 2100, Adelaide, SA 5042, Australia
    Clin Neurophysiol 118:1877-88. 2007
    ..To identify the possible contribution of electromyogram (EMG) to scalp electroencephalogram (EEG) rhythms at rest and induced or evoked by cognitive tasks...
  25. ncbi Dynamically evoked, discrete-threshold electromyography in the extreme lateral interbody fusion approach
    Antoine G Tohmeh
    Northwest Orthopaedic Specialists, Spokane, Washington
    J Neurosurg Spine 14:31-7. 2011
    ..This study was performed to assess the effectiveness of dynamically evoked electromyography (EMG) to detect and prevent neural injury during the XLIF approach.
  26. pmc Mechanisms underlying functional changes in the primary motor cortex ipsilateral to an active hand
    Monica A Perez
    Human Cortical Physiology Section and Stroke Neurorehabilitation Clinic, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA
    J Neurosci 28:5631-40. 2008
    ....
  27. pmc Stretch sensitive reflexes as an adaptive mechanism for maintaining limb stability
    Jonathan Shemmell
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA
    Clin Neurophysiol 121:1680-9. 2010
    ....
  28. ncbi Direct demonstration of the effect of lorazepam on the excitability of the human motor cortex
    V Di Lazzaro
    Istituto di Neurologia, Universita Cattolica, L go A Gemelli 8, 00168, Rome, Italy
    Clin Neurophysiol 111:794-9. 2000
    ..The present study explored the effects of lorazepam, a benzodiazepine with agonist action at the GABA(A) receptor, on human motor cortex excitability as tested using transcranial magnetic stimulation...
  29. ncbi The cortical silent period: intrinsic variability and relation to the waveform of the transcranial magnetic stimulation pulse
    M Orth
    Sobell Department of Motor Neuroscience and Movement Disorders, The National Hospital for Neurology and Neurosurgery, Royal Free and University College Medical School, Institute of Neurology, London, UK
    Clin Neurophysiol 115:1076-82. 2004
    ..To assess the variability of the duration of the contralateral cortical silent period (CSP) between individuals and to assess the effect of different transcranial magnetic stimulation (TMS) pulse waveforms...
  30. ncbi Assistive control system using continuous myoelectric signal in robot-aided arm training for patients after stroke
    Rong Song
    Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong
    IEEE Trans Neural Syst Rehabil Eng 16:371-9. 2008
    ..The results showed that the twenty-session training program improved upper limb functions...
  31. ncbi The lower limb flexion reflex in humans
    Giorgio Sandrini
    University Center for Adaptive Disorders and Headache, IRCCS C Mondino Institute of Neurology Foundation, University of Pavia, Via Mondino 2, 27100 Pavia, Italy
    Prog Neurobiol 77:353-95. 2005
    ....
  32. ncbi Variation of muscle coactivation patterns in chronic stroke during robot-assisted elbow training
    Xiaoling Hu
    Department of Health Technology and Informatics, Hong Kong Polytechnic University, Hong Kong
    Arch Phys Med Rehabil 88:1022-9. 2007
    ..To investigate the variation of muscle coactivation patterns during the course of robot-assisted rehabilitation on elbow flexion and extension for chronic stroke...
  33. ncbi Midbrain control of spinal nociception discriminates between responses evoked by myelinated and unmyelinated heat nociceptors in the rat
    Simon McMullan
    Hypertension and Stroke Research Laboratory, University of Sydney, Sydney, Australia
    Pain 124:59-68. 2006
    ....
  34. pmc Contributions of descending and ascending pathways to corticomuscular coherence in humans
    Claire L Witham
    Institute of Neuroscience, Newcastle University, Henry Wellcome Building for Neuroecology, Framlington Place, Newcastle upon Tyne NE2 4HH, UK
    J Physiol 589:3789-800. 2011
    ..These results confirm the complex nature of corticomuscular coherence with contributions from both descending and ascending pathways...
  35. ncbi Do human bipeds use quadrupedal coordination?
    Volker Dietz
    ParaCare, Institute for Rehabilitation and Research, University Hospital Balgrist, Forchstrasse 340, 8008 Zurich, Switzerland
    Trends Neurosci 25:462-7. 2002
    ..The persistence of such movement control has consequences for rehabilitation and the applicability of animal research to human patients with spinal cord injury...
  36. ncbi The homeostatic regulation of sleep need is under genetic control
    P Franken
    Biochemistry and Neurophysiology Unit, Department of Psychiatry, University of Geneva, Chene Bourg, Switzerland
    J Neurosci 21:2610-21. 2001
    ..These results demonstrate, for the first time, that the increase of SWS need is under a strong genetic control, and they provide a basis for identifying genes underlying SWS homeostasis...
  37. ncbi Endplate potentials are common to midfiber myofacial trigger points
    David G Simons
    Department of Physical Medicine and Rehabilitation, University of California Irvine, USA
    Am J Phys Med Rehabil 81:212-22. 2002
    ....
  38. ncbi A practical guide to diagnostic transcranial magnetic stimulation: report of an IFCN committee
    S Groppa
    Department of Neurology, Christian Albrechts University, Kiel, Germany
    Clin Neurophysiol 123:858-82. 2012
    ..Additional sections cover safety issues, the triple stimulation technique, and neuropediatric aspects of TMS...
  39. pmc Targeted muscle reinnervation for real-time myoelectric control of multifunction artificial arms
    Todd A Kuiken
    Neural Engineering Center for Artificial Limbs, Rehabilitation Institute of Chicago, 345 E Superior St, Room 1309, Chicago, IL 60611, USA
    JAMA 301:619-28. 2009
    ..After reinnervation, these target muscles produce electromyogram (EMG) signals on the surface of the skin that can be measured and used to control prosthetic arms...
  40. ncbi Volitional control of a prosthetic knee using surface electromyography
    Kevin H Ha
    Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235, USA
    IEEE Trans Biomed Eng 58:144-51. 2011
    ..The average root mean square trajectory tracking errors of the prosthetic knee employing the EMG-based volitional control and the intact knee of the three subjects were 6.2° and 5.2°, respectively...
  41. ncbi Resolving the limb position effect in myoelectric pattern recognition
    Anders Fougner
    Department of Engineering Cybernetics, Norwegian University of Science and Technology, Trondheim, Norway
    IEEE Trans Neural Syst Rehabil Eng 19:644-51. 2011
    ..7% and 5.0%, respectively. Our study shows how sensor fusion (using EMG and accelerometers) may be an efficient method to mitigate the effect of limb position and improve classification accuracy...
  42. ncbi Level of action of cathodal DC polarisation induced inhibition of the human motor cortex
    Michael A Nitsche
    Department of Clinical Neurophysiology, University of Goettingen, Robert Koch Str 40, 37075, Goettingen, Germany
    Clin Neurophysiol 114:600-4. 2003
    ..To induce prolonged motor cortical excitability reductions by transcranial direct current stimulation in the human...
  43. ncbi Better pregnancy monitoring using nonlinear correlation analysis of external uterine electromyography
    Malunoud Hassan
    School of Science and Engineering, Reykjavik University, 101 Reykjavik, Iceland
    IEEE Trans Biomed Eng 60:1160-6. 2013
    ..of this paper is to evaluate the novel method for analyzing the nonlinear correlation of the uterine electromyography (EMG)...
  44. ncbi Robot-based hand motor therapy after stroke
    Craig D Takahashi
    Department of Neurology, University of California, Irvine Medical Center, 101 The City Drive South, Building 53 Room 203, Orange, CA 92868 4280, USA
    Brain 131:425-37. 2008
    ..A robot-based therapy showed improvements in hand motor function after chronic stroke. Reorganization of motor maps during the current therapy was task-specific, a finding useful when considering generalization of rehabilitation therapy...
  45. pmc Use of uterine electromyography to diagnose term and preterm labor
    Miha Lucovnik
    Department of Obstetrics and Gynecology, St Joseph s Hospital and Medical Center, Phoenix, AZ 85004, USA
    Acta Obstet Gynecol Scand 90:150-7. 2011
    ..Uterine contractions are a result of the electrical activity within the myometrium. Measurement of uterine electromyography (EMG) has been shown to detect contractions as accurately as the currently used methods...
  46. ncbi Selective movement preparation is subserved by selective increases in corticomuscular gamma-band coherence
    Jan Mathijs Schoffelen
    Donders Institute for Brain, Cognition and Behavior, Centre for Cognitive Neuroimaging, Radboud University Nijmegen, 6500 HB Nijmegen, The Netherlands
    J Neurosci 31:6750-8. 2011
    ..activity from bilateral motor cortices with magnetoencephalography and corresponding spinal activity through electromyography of bilateral hand muscles...
  47. ncbi A comparison of surface and intramuscular myoelectric signal classification
    Levi J Hargrove
    Institute of Biomedical Engineering, Department of Electrical and Computer Engineering, University of New Brunswick, P O Box 4400, Fredericton, NB E3B 5A3, Canada
    IEEE Trans Biomed Eng 54:847-53. 2007
    ..Impressive classification accuracy (97%) could be achieved by optimally selecting only three channels of surface MES...
  48. pmc Simultaneous acquisition of corrugator electromyography and functional magnetic resonance imaging: a new method for objectively measuring affect and neural activity concurrently
    Aaron S Heller
    Department of Psychology University of Wisconsin Madison, Madison, WI 53706, USA
    Neuroimage 58:930-4. 2011
    ..This has hindered the development and generalizability of our field. Facial electromyography (EMG) is an objective, reliable, valid, sensitive, and unobtrusive measure of emotion...
  49. ncbi Is rectus femoris really a part of quadriceps? Assessment of rectus femoris function during gait in able-bodied adults
    A Nene
    Roessingh Research and Development, Enschede, The Netherlands
    Gait Posture 20:1-13. 2004
    ..We conclude that RF is active only during stance-to-swing transition and the activity during swing-to-stance transition, as described in the literature, is very probably due to cross-talk...
  50. ncbi Electromyographic examination of jaw muscles in relation to symptoms and occlusion of patients with temporomandibular joint disorders
    Z J Liu
    Department of Orthodontics, School of Dentistry, University of Washington, Seattle 98195, USA
    J Oral Rehabil 26:33-47. 1999
    ....
  51. ncbi Decomposition of surface EMG signals
    Carlo J De Luca
    Neuromuscular Research Center, Boston, MA 02215, USA
    J Neurophysiol 96:1646-57. 2006
    ..However, these two muscles were found to have greater and more widespread values of firing rates than those of large limb muscles...
  52. ncbi The physiological basis of transcranial motor cortex stimulation in conscious humans
    V Di Lazzaro
    Institute of Neurology, Universita Cattolica, Largo A Gemelli 8, 00168, Rome, Italy
    Clin Neurophysiol 115:255-66. 2004
    ..These recordings provide insights about the physiological basis of the excitatory and inhibitory phenomena produced by transcranial stimulation...
  53. ncbi EEG-EMG, MEG-EMG and EMG-EMG frequency analysis: physiological principles and clinical applications
    P Grosse
    Sobell Department of Motor Neuroscience and Movement Disorders Box 146, Institute of Neurology, Queen Square 8 11, 2nd Floor, London WC1 3BG, UK
    Clin Neurophysiol 113:1523-31. 2002
  54. ncbi Crosstalk in surface electromyography of the proximal forearm during gripping tasks
    Jeremy P M Mogk
    School of Kinesiology and Health Science, York University, 4700 Keele St, ON M3J 1P3, Toronto, Canada
    J Electromyogr Kinesiol 13:63-71. 2003
    ..While this study improved our knowledge of crosstalk and electrode spacing issues, further examination of forearm EMG is required to improve understanding of muscle loading, EMG properties and motor control during gripping tasks...
  55. pmc Rectification of the EMG signal impairs the identification of oscillatory input to the muscle
    Osmar Pinto Neto
    Department of Health and Kinesiology, Texas A and M University, College Station, TX 77843 4243, USA
    J Neurophysiol 103:1093-103. 2010
    ....
  56. pmc Relationship between firing rate and recruitment threshold of motoneurons in voluntary isometric contractions
    Carlo J De Luca
    Neuromuscular Research Center, Boston University, Boston, Massachusetts 02215, USA
    J Neurophysiol 104:1034-46. 2010
    ..These results support the "onion skin" property that suggests a basic control scheme encoded in the physical properties of motoneurons that responds consistently to a "common drive" to the motoneuron pool...
  57. ncbi Epidural spinal cord stimulation plus quipazine administration enable stepping in complete spinal adult rats
    Yury P Gerasimenko
    Department of Physiological Science, University of California, Los Angeles, CA 90095, USA
    J Neurophysiol 98:2525-36. 2007
    ..Quipazine potentiated the amplitude of these responses. The data suggest that there are fundamental differences in the circuitry that generates flexion and extension during locomotion...
  58. ncbi Initiation of locomotor activity in spinal cats by epidural stimulation of the spinal cord
    Yu P Gerasimenko
    Motor Physiology Laboratory, I P Pavlov Institute of Physiology, Russian Academy of Sciences, 6 Makarov Bank, 199034 St Petersburg, Russia
    Neurosci Behav Physiol 33:247-54. 2003
    ..A leading role was demonstrated for the propriospinal system of the dorsolateral funiculi in activating the generators of stepping movements in epidural stimulation of the spinal cord...
  59. pmc Intracortical circuits modulate transcallosal inhibition in humans
    L Avanzino
    Sobell Department of Motor Neuroscience and Movement Disorders, Box 66, Institute of Neurology, Queen Square, London WC1N 3BG, UK
    J Physiol 583:99-114. 2007
    ..Taken together, the data from the two experiments suggest that the layer III and layer V pyramidal neurons that give rise to TC and CTS pathways, respectively, are controlled by neuronal circuitry with similar properties...
  60. pmc Learning a novel myoelectric-controlled interface task
    Saritha M Radhakrishnan
    Institute of Neuroscience, Henry Wellcome Building, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
    J Neurophysiol 100:2397-408. 2008
    ....
  61. ncbi Control of foot trajectory in human locomotion: role of ground contact forces in simulated reduced gravity
    Y P Ivanenko
    Sezione di Fisiologia Umana, Istituto Scientifico Fondazione Santa Lucia, 00179 Rome, Italy
    J Neurophysiol 87:3070-89. 2002
    ..The results did not depend on the specific instruction given to the subject. Therefore we conclude that minimal contact forces are sufficient for accurate foot trajectory control...
  62. pmc Measurement of voluntary activation of fresh and fatigued human muscles using transcranial magnetic stimulation
    Gabrielle Todd
    Prince of Wales Medical Research Institute and the University of New South Wales, Sydney 2031, Australia
    J Physiol 551:661-71. 2003
    ....
  63. ncbi Insights gained into the interpretation of surface electromyograms from the gastrocnemius muscles: A simulation study
    Luca Mesin
    Department of Electronics, Politecnico di Torino, Torino, Italy
    J Biomech 44:1096-103. 2011
    ..These results are discussed on a physiological context, highlighting the relevance of the model proposed here for the interpretation of gastrocnemius EMGs and for conceiving future experiments on muscles with pinnate geometry...
  64. ncbi Modular organization of human leg withdrawal reflexes elicited by electrical stimulation of the foot sole
    O K Andersen
    Laboratory for Experimental Pain Research, Center for Sensory Motor Interaction, Aalborg University, Fredrik Bajers Vej 7, D3, DK 9220, Aalborg, Denmark
    Muscle Nerve 22:1520-30. 1999
    ..A detailed withdrawal reflex organization, in which each lower leg muscle has its own receptive field, may explain the ankle joint responses. The thigh activity consisted primarily of flexor activation...
  65. ncbi Abnormal muscle activation characteristics associated with loss of dexterity after stroke
    C G Canning
    School of Physiotherapy, Faculty of Health Sciences, The University of Sydney, P O Box 170, NSW 1825, Lidcombe, Australia
    J Neurol Sci 176:45-56. 2000
    ....
  66. ncbi Mechanism of the silent period following transcranial magnetic stimulation. Evidence from epidural recordings
    R Chen
    Division of Neurology and Playfair Neuroscience Unit, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada
    Exp Brain Res 128:539-42. 1999
    ..Our findings suggest that the early part of the SP is mainly due to spinal mechanisms, while the late part of the SP is related to reduced motor cortex excitability...
  67. ncbi Classification of the myoelectric signal using time-frequency based representations
    K Englehart
    Institute of Biomedical Engineering, University of New Brunswick, Fredericton, Canada
    Med Eng Phys 21:431-8. 1999
    ....
  68. ncbi Fatigue in repeated-sprint exercise is related to muscle power factors and reduced neuromuscular activity
    Alberto Mendez-Villanueva
    School of Human Movement and Exercise Science, The University of Western Australia, Perth, Australia
    Eur J Appl Physiol 103:411-9. 2008
    ..Additionally, a suboptimal net motor unit activity might also impair the ability to repeatedly generate maximum power outputs...
  69. ncbi Locomotor activity in spinal man: significance of afferent input from joint and load receptors
    Volker Dietz
    Paraplegic Centre of the University Hospital Balgrist, Zurich, Switzerland
    Brain 125:2626-34. 2002
    ..This is in line with observations from infant stepping experiments and experiments in cats. Afferent feedback from knee and ankle joints may be involved largely in the control of focal movements...
  70. pmc The differential role of motor cortex in stretch reflex modulation induced by changes in environmental mechanics and verbal instruction
    Jonathan Shemmell
    Sensory Motor Performance Program, The Rehabilitation Institute of Chicago, Chicago, Illinois 60611, USA
    J Neurosci 29:13255-63. 2009
    ..These results demonstrate that task-dependent changes in reflex function can be mediated through multiple neural pathways and that these pathways have task-specific roles...
  71. ncbi Heterogeneity of muscle activation in relation to force direction: a multi-channel surface electromyography study on the triceps surae muscle
    D Staudenmann
    Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, Vander Boechorstraat 9, 1081 BT Amsterdam, The Netherlands
    J Electromyogr Kinesiol 19:882-95. 2009
    ..We looked for distinct muscle activation patterns in the triceps surae muscle (TS) using surface electromyography (EMG) during voluntary contraction...
  72. pmc The sites of neural adaptation induced by resistance training in humans
    Timothy J Carroll
    Perception and Motor Systems Laboratory, The School of Human Movement Studies, The University of Queensland, Brisbane, Queensland 4072, Australia
    J Physiol 544:641-52. 2002
    ..These results suggest that resistance training changes the functional properties of spinal cord circuitry in humans, but does not substantially affect the organisation of the motor cortex...
  73. ncbi Transcranial magnetic stimulation can be used to test connections to primary motor areas from frontal and medial cortex in humans
    C Civardi
    Sobell Department of Neurophysiology, Institute of Neurology, Queen Square, London WC1N 3BG, United Kingdom
    Neuroimage 14:1444-53. 2001
    ..We conclude that low-intensity TMS over presumed premotor areas of frontal cortex can engage corticocortical connections to the primary motor hand area...
  74. ncbi Reliability of the input-output properties of the cortico-spinal pathway obtained from transcranial magnetic and electrical stimulation
    T J Carroll
    Perception and Motor Systems Laboratory, The School of Human Movement Studies, The University of Queensland, QLD 4072, Brisbane, Australia
    J Neurosci Methods 112:193-202. 2001
    ..50 and 0.53, respectively). These results suggest that input-output parameters of the cortico-spinal pathway may be reliably obtained via transcranial stimulation during longitudinal investigations of cortico-spinal plasticity...
  75. ncbi Prognostic value of the lateral spread response for intraoperative electromyography monitoring of the facial musculature during microvascular decompression for hemifacial spasm
    Doo Sik Kong
    Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
    J Neurosurg 106:384-7. 2007
    The authors conducted a large retrospective study in which they evaluated the efficacy of intraoperative electromyography (EMG) monitoring of facial musculature during microvascular decompression (MVD) and assessed the predictive value of ..
  76. ncbi Organization of ipsilateral excitatory and inhibitory pathways in the human motor cortex
    Robert Chen
    Division of Neurology, Krembil Neuroscience Center and Toronto Western Research Institute, University Health Network, University of Toronto, Toronto, Ontario M5T 2S8, Canada
    J Neurophysiol 89:1256-64. 2003
    ..Surface electromyography (EMG) was recorded from both first dorsal interosseous (FDI) muscles...
  77. ncbi The effects of adding mass to the legs on the energetics and biomechanics of walking
    Raymond C Browning
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80262, USA
    Med Sci Sports Exerc 39:515-25. 2007
    ..be related to the moment of inertia of the leg (I(leg)), 2) kinematics would be conserved, except for heavy foot loads, and 3) swing-phase sagittal-plane net muscle moments and swing-phase leg-muscle electromyography (EMG) would increase.
  78. ncbi Support vector machine-based classification scheme for myoelectric control applied to upper limb
    Mohammadreza Asghari Oskoei
    Department of Computing and Electronic Systems, University of Essex, Colchester CO4 3SQ, UK
    IEEE Trans Biomed Eng 55:1956-65. 2008
    ..The entropy of the output of the classifier is also examined as an online index to evaluate the correctness of classification; this can be used by online training for long-term myoelectric control operations...
  79. ncbi Modulation of practice-dependent plasticity in human motor cortex
    U Ziemann
    Clinic of Neurology, J W Goethe University, Schleusenweg 2 16, D 60590 Frankfurt am Main, Germany
    Brain 124:1171-81. 2001
    ..We propose that changes in GABA activity may be instrumented to modulate plasticity purposefully; for instance, to enhance plastic change and recovery of function after a lesion in neurological patients...
  80. ncbi Preparation of anticipatory postural adjustments prior to stepping
    Colum D MacKinnon
    Department of Physical Therapy and Human Movement Sciences, Feinberg School of Medicine, Northwestern University, 645 North Michigan Avenue, Suite 1100, Chicago, IL 60611, USA
    J Neurophysiol 97:4368-79. 2007
    ..These findings are consistent with a feedforward mode of neural control whereby the motor sequence, including the associated postural adjustments, is prepared before voluntary movement...
  81. ncbi From mental power to muscle power--gaining strength by using the mind
    Vinoth K Ranganathan
    Department of Biomedical Engineering ND20, The Lerner Research Institute, The Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA
    Neuropsychologia 42:944-56. 2004
    ..We conclude that the mental training employed by this study enhances the cortical output signal, which drives the muscles to a higher activation level and increases strength...
  82. ncbi The role of synchrony and oscillations in the motor output
    S N Baker
    Sobell Department of Neurophysiology, Institute of Neurology, Queen Square, London, WC1N 3BG, UK
    Exp Brain Res 128:109-17. 1999
    ..A speculative hypothesis is presented on the role of synchronous oscillations in the motor system, which is consistent with experimental observations to date...
  83. ncbi An in vivo microanalytical technique for measuring the local biochemical milieu of human skeletal muscle
    Jay P Shah
    Rehabilitation Medicine Department, Clinical Research Center, NIH, Bethesda, MD 20814, USA
    J Appl Physiol (1985) 99:1977-84. 2005
    ..The measured levels of analytes can be used to distinguish clinically distinct groups...
  84. ncbi Intermanual Differences in movement-related interhemispheric inhibition
    Julie Duque
    National Institutes of Health, Bethesda, MD 20817, USA
    J Cogn Neurosci 19:204-13. 2007
    ....
  85. ncbi Attenuation of corticomuscular coherence with additional motor or non-motor task
    Ashley N Johnson
    School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA
    Clin Neurophysiol 122:356-63. 2011
    ..Additionally, we examined the potential associations between corticomuscular coherence and fine motor performance...
  86. pmc Functional regeneration of respiratory pathways after spinal cord injury
    Warren J Alilain
    Department of Neurosciences, Case Western Reserve University School of Medicine, 2109 Adelbert Road, Cleveland, Ohio 44106, USA
    Nature 475:196-200. 2011
    ....
  87. ncbi Modular organization of balance control following perturbations during walking
    Anderson Souza Castelo Oliveira
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    J Neurophysiol 108:1895-906. 2012
    ..Bilateral full-body kinematics and surface electromyography (EMG) from lower limbs, trunk, and neck were recorded during walking...
  88. pmc Subject-specific myoelectric pattern classification of functional hand movements for stroke survivors
    Sang Wook Lee
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL 60616, USA
    IEEE Trans Neural Syst Rehabil Eng 19:558-66. 2011
    In this study, we developed a robust subject-specific electromyography (EMG) pattern classification technique to discriminate intended manual tasks from muscle activation patterns of stroke survivors...
  89. ncbi Beta-range cortical motor spectral power and corticomuscular coherence as a mechanism for effective corticospinal interaction during steady-state motor output
    Rumyana Kristeva
    Neurological University Clinic, Freiburg, Germany
    Neuroimage 36:785-92. 2007
    ..This suggests that the beta-range cortical motor spectral power and corticomuscular coherence may promote effective corticospinal interaction...
  90. ncbi Task-specific increase in corticomotor excitability during tactile discrimination
    Sabah Master
    School of Psychology, University of Ottawa, Ottawa, ON, K1H 8M5, Canada
    Exp Brain Res 194:163-72. 2009
    ..Our results highlight the importance of behavioral context and attention, in particular, in leading to further enhancement in corticomotor excitability when the finger is actively engaged in TD...
  91. pmc The effect of bilateral isometric forces in different directions on motor cortical function in humans
    Juliette A Yedimenko
    CNBC Systems Neuroscience Institute, Department of Physical Medicine and Rehabilitation, 3501 Fifth Avenue, University of Pittsburgh, Pittsburgh, PA 15213, USA
    J Neurophysiol 104:2922-31. 2010
    ..These findings suggest that during generation of bimanual isometric forces the M1 is driven by "extrinsic" parameters related to the hand action...
  92. pmc Extracting synergies in gait: using EMG variability to evaluate control strategies
    Rajiv Ranganathan
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA
    J Neurophysiol 108:1537-44. 2012
    ..The results emphasize the importance of examining EMG variability to understand the neural basis of muscle synergies...
  93. ncbi Repetitive transcranial magnetic stimulation (rTMS) improves movement-related cortical potentials in autism spectrum disorders
    Peter G Enticott
    Monash Alfred Psychiatry Research Centre, School of Psychology and Psychiatry, Monash University and the Alfred, The Alfred, Melbourne, Victoria, Australia
    Brain Stimul 5:30-7. 2012
    ..Electrophysiologic studies reveal abnormalities in the preparation of movement; repetitive transcranial magnetic stimulation (rTMS) to key motor cortical sites may therefore be a useful technique for improving motor function in ASD...
  94. ncbi Onset and spreading patterns of upper and lower motor neuron symptoms in amyotrophic lateral sclerosis
    Sonja Körner
    Department of Neurology, Hannover Medical School, Carl Neuberg Strasse 1, 30625 Hannover, Germany
    Muscle Nerve 43:636-42. 2011
    ..There is ongoing discussion as to whether ALS is primarily a disease of UMNs or LMNs...
  95. ncbi Neuromuscular electrical stimulation: implications of the electrically evoked sensory volley
    A J Bergquist
    Human Neurophysiology Laboratory, Faculty of Physical Education and Recreation, Centre for Neuroscience, University of Alberta, 6 41 General Services Building, Edmonton, AB, Canada
    Eur J Appl Physiol 111:2409-26. 2011
    ..A goal of this work is to identify the best way to utilize the electrically evoked sensory volley generated during NMES to exploit mechanisms inherent to the neuromuscular system and enhance neuromuscular function for rehabilitation...
  96. pmc Identification of neural feedback for upright stance in humans: stabilization rather than sway minimization
    Tim Kiemel
    Department of Kinesiology, University of Maryland, College Park, Maryland 20742, USA
    J Neurosci 31:15144-53. 2011
    ..The results suggest that the common assumption of reducing sway may not apply to musculoskeletal systems that are inherently unstable...
  97. ncbi Altered corticospinal transmission to the hand after maximum voluntary efforts
    Sabine Giesebrecht
    Neuroscience Research Australia and the University of New South Wales, Barker Street, Randwick, Sydney, New South Wales 2031, Australia
    Muscle Nerve 43:679-87. 2011
    ..After maximal voluntary contractions (MVCs), responses to corticospinal tract stimulation change differently in arm and leg muscles. This study we examined responses in the first dorsal interosseous muscle (FDI)...
  98. ncbi Motor unit recruitment during neuromuscular electrical stimulation: a critical appraisal
    C Scott Bickel
    Department of Physical Therapy, University of Alabama at Birmingham, 1530 3rd Avenue South, Birmingham, AL 35294 1212, USA
    Eur J Appl Physiol 111:2399-407. 2011
    ....
  99. pmc Purinergic receptors are involved in tooth-pulp evoked nocifensive behavior and brainstem neuronal activity
    Kazunori Adachi
    Department of Physiology, Nihon University School of Dentistry, Nihon University School of Dentistry, 1 8 13 Kanda Surugadai Chiyoda ku, Tokyo, 101 8310, Japan
    Mol Pain 6:59. 2010
    ....
  100. ncbi An EMG-driven musculoskeletal model to estimate muscle forces and knee joint moments in vivo
    David G Lloyd
    School of Human Movement and Exercise Science, University of Western Australia, Perth, 35 Stirling Highway, Crawley, WA 6009, Australia
    J Biomech 36:765-76. 2003
    This paper examined if an electromyography (EMG) driven musculoskeletal model of the human knee could be used to predict knee moments, calculated using inverse dynamics, across a varied range of dynamic contractile conditions...
  101. ncbi Increased excitability and reduced intracortical inhibition in the ipsilateral primary motor cortex during a fine-motor manipulation task
    Takuya Morishita
    Human Motor Control Laboratory, Division of Human Sciences, Graduate School of Integrated Arts and Sciences, Hiroshima University, 1 7 1 Kagamiyama, Higashi hiroshima 739 8521, Japan
    Brain Res 1371:65-73. 2011
    ..The present findings suggest that the differences between the effects of the FM and pFM tasks on ipsi-M1 excitability were caused by their property...

Research Grants66

  1. KNEE STABILITY TRAINING IN INDIVDUALS WITH KNEE OSTEOARTHRITIS
    G Fitzgerald; Fiscal Year: 2007
    ..clinical trial to compare changes in pain, physical function, lower extremity kinematics, kinetics, and electromyography during gait and a step down task, and changes in spatial/temporal characteristics of gait between subjects ..
  2. Paraspinal Denervation in Low Back Pain
    Andrew J Haig; Fiscal Year: 2010
    ..b>Electromyography (EMG) was shown to be a useful test...
  3. SYSTEM FOR AUTOMATED NONINVASIVE MONITORING OF MOUSE SLEEP AND BEHAVIOR
    Sridhar Sunderam; Fiscal Year: 2013
    ..The current gold standard for sleep analysis in mammals is electroencephalography (EEG) with electromyography (EMG)...
  4. Targeting thermoreceptors for therapeutic hypothermia
    Sean P Marrelli; Fiscal Year: 2012
    ..Physiologic variables will be collected as above in addition to measurements of shiver threshold by electromyography (EMG). Hypothermia shows great promise for a number of brain and nerve injuries...
  5. Respiratory motor control and blood pressure regulation after spinal cord injury
    ALEXANDER VLADIMIROVICH OVECHKIN; Fiscal Year: 2013
    ..function using spirometry, respiratory muscle strength, sympathetic skin response tests, and surface electromyography of respiratory muscles...
  6. Bifunctional Redox Catalyst &Organic Nitrate for Limb Reperfusion
    ANDREW LURIE SALZMAN; Fiscal Year: 2013
    ..after reperfusion we will correlate limb perfusion (by Doppler flow), nerve conduction velocity ("NCV", per electromyography, "EMG"), and muscle strength (by foot pressure on a walking surface) with simultaneous plasma concentrations ..
  7. Combined Stem Cell and Anti-Oxidative Therapy for ALS
    Jason R Thonhoff; Fiscal Year: 2010
    ..In addition to measurements of bodyweight, motor function, diaphragm muscle function through electromyography and lifespan, rat spinal cords will be subjected to morphological analyses of grafted cell fate and ..
  8. Identifying the Neural Basis and Functional Role of Emotional Empathy in Dementia
    VIRGINIA EMILY STURM; Fiscal Year: 2013
    ..and behavioral neurology;(2) to advance her knowledge of psychophysiology by learning a new method, facial electromyography;(3) to become proficient in structural and functional neuroimaging analyses;(4) to obtain experience with ..
  9. Pelvic Floor Disorders Network - Duke University Clinical Site
    Anthony G Visco; Fiscal Year: 2013
    ..urodynamic testing, video urodynamics, cystoscopy, defecography, pelvic MRI, endoanal ultrasound, and needle electromyography. During the current PFDN cycle, DUMC-initiated three active RCTs: 1. Anticholinergic vs Botox RCT (ABC, Dr...
  10. Mechanisms of Hand Dysfunction following Hemodialysis Fistula Creation
    Salvatore T Scali; Fiscal Year: 2013
    ..of Florida, the most important of which is the Vascular Biology Laboratory and Clinical Neurophysiology- Electromyography Lab;both with recognized expertise in the application of hemodynamic perturbations and neuromuscular testing ..
  11. Botulinum toxin in muscles of mastication
    Susan W Herring; Fiscal Year: 2012
    ..Specific Aim 1 will use electromyography and motion analysis to clarify whether compensatory patterns of muscle usage account for the early return of ..
  12. Comprehensive mutation detection for Neuromuscular disorders: Bringing new techno
    Madhuri R Hegde; Fiscal Year: 2010
    ..both an extensive clinical examination and targeted complementary tests that include biological analyses, electromyography, imaging, and histological analysis of biopsies...
  13. Novel Mechanisms of Visceral Pain: Functional Properties of Microglia
    Jennifer L Watts; Fiscal Year: 2012
    ..VH will be evaluated in rats with colon inflammation and naive rats using electromyography. Cellular markers and protein expression will be evaluated in both groups using immunohistochemistry, Western ..
  14. Effects of Bolus Accommodation on Swallowing Effort in Healthy Elderly Individual
    Lisa A Lagorio; Fiscal Year: 2011
    ..participants will wear three data collection sensors: a 3-bulb array affixed to the palate, a surface electromyography electrode affixed on the skin over the sub mental muscles, and a 2...
  15. Pathophysiology and diagnosis of neurological pain syndromes
    Anne Louise Oaklander; Fiscal Year: 2012
    ..Small-fiber damage is nearly impossible to diagnose by routine examination or testing (electromyography/nerve conduction studies), so many chronic pain patients remain in limbo without a diagnosis or effective ..
  16. Effects of Aging on Anticipatory Functional Synergies Activated in Deglutition
    SAMANTHA EVE SHUNE; Fiscal Year: 2013
    ..The experimental approach of this proposal capitalizes on the opportunity to utilize electromyography and optical motion detection techniques to examine the age-related changes in anticipatory responses and ..
  17. Noninvasive assessment of neuromuscular diseases using electrical impedance
    Seward B Rutkove; Fiscal Year: 2010
    ..Moreover, the frequently used invasive technique of needle electromyography is not only subjective, but is also painful and generally poorly tolerated...
  18. Neurocognitive Mechanisms of Inhibition Deficits in Parkinson's Disease
    Scott A Wylie; Fiscal Year: 2013
    ..development training focuses on the acquisition of expertise in event-related brain potential (ERP) and electromyography (EMG) recordings that can be used to track the activation of an incorrect response and the inhibition of this ..
  19. Electrical Impedance Myography for the Assessment of Neck and Low Back Pain
    JOSE LUIS BOHORQUEZ; Fiscal Year: 2013
    ..Like needle electromyography (EMG), EIM can give assessment of muscle health in both limbs and paraspinal musculature...
  20. Wrist/Grasp Muscle Activity Patterns for EMG-neural Interface Prosthesis Control
    LAUREN HART SMITH; Fiscal Year: 2013
    ..is essential in activities of daiy living, but cannot be performed by amputees using clinical surface electromyography (sEMG) based neural interfaces (myoelectric control)...
  21. Translating Affective Science to Predict Outcomes of Behavioral Treatment for MDD
    JACQUELINE K GOLLAN; Fiscal Year: 2010
    ..g., electroencephalography [EEG], facial electromyography [EMG]) and implicit measures that generate indices of affective asymmetry and affective reactivity...
  22. Mechanisms Impairing Finger Extension Following Stroke
    DEREK KAMPER; Fiscal Year: 2012
    ..The ability to voluntary activate muscles will be assessed through electromyography. Voluntary activation signals will be compared with those obtained from electrical stimulation of the ..
  23. A Patient-Driven Rehabilitation System to Improve Upper Limb Amputee Outcomes
    RAHUL REDDY KALIKI; Fiscal Year: 2012
    ..To enable this increased functionality, we have pioneered a novel control platform which includes a surface electromyography (EMG) pattern recognition algorithm called MyoSense and a first-of-its-kind multi-channel conformal electrode ..
  24. Effects of aging on swallowing physiology with transient cortical disruption
    Ianessa A Humbert; Fiscal Year: 2013
    ..stimulation (TMS) to the bilateral SMI laryngeal representation with concurrent video fluoroscopy and electromyography (EMG) during swallowing at various temporal intervals to examine changes in swallowing onset in healthy young ..
  25. Neural Control of Bilateral Hand and Arm Movements After Spinal Cord Injury
    MONICA ALICIA PEREZ; Fiscal Year: 2013
    ..Electroencephalography (EEG) and electromyography (EMG) and EMG/EMG coherence will be used to examine transmission in corticospinal inputs to spinal ..
  26. Attention-Emotion Interactions in Psychopathy
    NAOMI SAMIMI SADEH; Fiscal Year: 2010
    ..e., event-related potentials, electromyography), and (2) the potential moderating effects of monoaminergic genes as risk factors for the deficient emotional ..
  27. Wisconsin Center for the Neuroscience and Psychophysiology of Meditation
    Richard J Davidson; Fiscal Year: 2013
    ..strategies on emotion regulation, specifically neural, hormonal and behavioral (including facial electromyography in the scanner) indices of reactivity to and recovery from pictures of human suffering and flourishing...
  28. Posture and Orientation in Older Adults and Post-Stroke
    EMILY KESHNER; Fiscal Year: 2009
    ..will be examined through kinematic measures including center of pressure, center of mass displacement, and electromyography, and tested for significance with a MANOVA...
  29. Effect of Contralateral Leg on Motor Output Post Stroke
    Susanne M Morton; Fiscal Year: 2010
    ..to a novel unilateral perturbation during walking? To answer these questions, 3-D movement kinematics and electromyography will be recorded from subjects with hemi paresis caused by motor cortical stroke and healthy age- and gender-..
  30. Optimizing locomotor training for children with severe cerebral palsy
    SANDRA L SAAVEDRA; Fiscal Year: 2012
    ..Surface electromyography (EMG) of trunk and leg muscles will be recorded during studies for AIM 1 and 2, to test the hypothesis that ..
  31. Linking Brain and Behavior in Chronic Tic Disorder
    Sandra K Loo; Fiscal Year: 2013
    ..of high-definition motion capture video, cortical activity (electroencephalography;EEG) and muscle movements (electromyography;EMG)...
  32. TRAINING IN COGNITIVE PSYCHOPHYSIOLOGY
    Wendy Heller; Fiscal Year: 2012
    ..measures of more peripheral bodily functions (such as eye movement, heart rate, electrodermal activity, and electromyography, in all of which we have expertise)...
  33. Fully automating uterine electromyography (EMG) for real-time obstetric applicati
    JACK MCCRARY; Fiscal Year: 2013
    ..e. "TOCO"), with a truly objective device capable of measuring the onset and progress of labor, as well as providing a tool to develop better treatment strategies for pregnancy complications. ..
  34. Dystonia in an Animal Model of Kernicterus
    Steven Shapiro; Fiscal Year: 2007
    ..movement disorder of kernicterus in this model using behavioral analyses, anatomy and immunohistochemistry, electromyography, and intracranial microelectrode recordings from deep brain nuclei...
  35. Preclinical Motor Function in Aging and Parkinsonism
    John A Stanford; Fiscal Year: 2010
    ..Paul D. Cheney, who has agreed to train the PI to perform combined electrophysiological/electromyography (EMG) studies...
  36. PAIN MODULATED JAW MOTOR FUNCTION
    Christian Stohler; Fiscal Year: 1999
    ..Jaw tracking, bite force registration, surface electromyography, motor unit recording, and the assessment of the dental occlusion will be performed to test specific ..
  37. Central auditory pathway of the middle ear reflex
    Daniel Lee; Fiscal Year: 2007
    ..We will correlate focal lesioning of the cochlear nucleus with loss of the MEM electromyography (EMG) response, to determine which division of the cochlear nucleus is involved in the MEM reflex pathway...
  38. CHEMOSENSITIVITY, UPPER AIRWAY--BREATHING
    Kevin Gleeson; Fiscal Year: 1991
    ..Studies are planned evaluating both electromyography and pharyngeal resistance in (1) sleep apnea patients, (2) normals, and (3) individuals without sleep apnea ..
  39. Mechanisms of improvement in neurorehabilitation of Parkinson's disease
    Lena H Ting; Fiscal Year: 2013
    ..In contrast to clinical measures, we will study neuromuscular activation measured with electromyography (EMG) as a direct window into the neuromotor activity of individuals with PD before and after 24 weeks of ..
  40. Mechanisms underlying impaired postural corrections following stroke
    Claire F Honeycutt; Fiscal Year: 2013
    ..of a treadmill while quantifying stabilit measures, trunk and step kinematics, paretic limb parameters, and electromyography. Factors will be assessed for their ability to classify successful (fall avoidance) and failed (fall) ..
  41. Tongue-Jaw Linkages in Feeding
    Jeffrey Palmer; Fiscal Year: 2005
    ..Motions will be recorded with videofluorography and muscle activity with electromyography. Some experiments will also include respiratory measures (expansion of the thoracoabdominal cavity and nasal ..
  42. A Wireless-Sensor System for Reliable Recordings during Vigorous Muscle Activitie
    Gianluca De Luca; Fiscal Year: 2012
    ..PUBLIC HEALTH RELEVANCE: The development of a new non-invasive sensor system for surface electromyography and accelerometer measurement during vigorous muscle activities will enable researchers and clinicians to ..
  43. EMG-based Estimation of Muscle Structure and Function
    Kevin McGill; Fiscal Year: 2009
    ..and function of human muscles, and it will be relevant to several clinical applications, including tendon-transfer and reconstructive surgery, rehabilitation in stroke and cerebral palsy, and clinical electromyography.
  44. Acoustic and Respiratory System Correlates of Pausing
    Janet Slifka; Fiscal Year: 2009
    ..Degree of involvement of expiratory versus inspiratory muscles is estimated from surface electromyography. Quantifying pause-related activity also requires examining how factors such as articulatory actions and ..
  45. Multivariate Parkinson's Disease Prediction System
    DUSTIN HELDMAN; Fiscal Year: 2007
    ..features have been correlated with early PD including motor function, olfaction, heart rate variability and electromyography during sleep, voice modulation, and oculomotor activity...
  46. Biomechanical effects of manual therapy in healthy and impaired shoulders
    Kevin McQuade; Fiscal Year: 2009
    ..b>Electromyography, forces, and joint displacements will be simultaneously recorded...
  47. Tongue Volume, Function and Biomechanics
    Zi Jun Liu; Fiscal Year: 2006
    ..3D functional deformation of the tongue using the novel technology of digital microsonography, along with electromyography of tongue/jaw muscles and jaw/head movement tracking...
  48. COORDINATION OF RESPIRATION AND DEGLUTITION
    ADRIENNE PERLMAN; Fiscal Year: 2003
    ..joint timing of respiration with the swallow and simultaneously record respiratory airflow, submental surface electromyography, and swallow-associated acoustic signals...
  49. Non-invasive Modulation of Brain Function by Focused Ultrasound
    Seung Schik Yoo; Fiscal Year: 2012
    ..capable of evaluating local brain function using electrophysiological recordings (electroencephalography and electromyography) and real- time functional magnetic resonance imaging (rtfMRI)...
  50. Long-term In Vivo Monitoring of Neuromuscular Performance in Mice
    Kevin L Seburn; Fiscal Year: 2013
    ..In the clinic, electromyography (EMG) and nerve action potentials (NAP) data are routinely collected from patients for diagnosis and research...
  51. CLASSIFICATION OF TMDS--VALIDITY & UTILITY OF RDC AXIS I
    Thomas Rudy; Fiscal Year: 1999
    ..Protocols based on applications from biomedical engineering, kinematics, and electromyography that have been used with other types of chronic pain syndromes have been adapted for this proposal...
  52. DRUG-INDUCED SHIVERING--EFFECTS OF A NURSING MEASURE
    BARBARA HOLTZCLAW; Fiscal Year: 1990
    ..Study variables are: 1) shivering on a scale of increasing extent shown by electromyography; 2) amount of meperidine to relieve shivering; 3) mean skin and core temperatures and 4) rate pressure ..
  53. Interhemispheric transfer of grasp control after stroke
    Preeti Raghavan; Fiscal Year: 2010
    ..instrument will be used to examine the type of information necessary for planning of grasp, and quantitative electromyography will be used to investigate the contribution of the non-involved hand in improving neuromuscular control of ..
  54. BIOCHEMISTRY AND PHYSIOLOGY OF SINGLE MOTOR UNITS
    PATTI NEMETH; Fiscal Year: 1993
    ..e., axonal condition velocity, electromyography, force and fatigability) of functionally isolated motor units...
  55. Robotic Orthoses for Gait Rehabilitation
    DANIEL FERRIS; Fiscal Year: 2009
    ..We will measure H-reflexes, electromyography, kinematics, kinetics, and metabolic cost in individuals with incomplete spinal cord injury before and after ..
  56. MECHANICAL FUNCTION OF MUSCLE DURING MOVEMENT
    Richard Marsh; Fiscal Year: 2005
    ..mechanical function of muscles used in running and jumping will be assessed in vivo using sonomicrometry and electromyography. Blood flow measurements using fluorescently labeled microspheres will be used in conjunction with other ..
  57. FUNCTIONAL TREATMENT APPROACH TO STRESS INCONTINENCE
    Diane Borello France; Fiscal Year: 1999
    ..Using electromyography (an electrical recording of muscle activity), we will determine exercise progression using a protocol that ..
  58. Neuromotor Modeling of Adductor Spasmodic Dysphonia
    Rick Roark; Fiscal Year: 2009
    ..Findings of neuroimaging, genetics, and physiology - including conventional electromyography - have been inconsistent and therefore inconclusive about the neural underpinnings of SD...
  59. Modulation of Muscle Activation and Strain in Turtles
    RICHARD BLOB; Fiscal Year: 2001
    DESCRIPTION: (Verbatim from application) This research will coordinate sonomicrometry, electromyography, and digital videography to examine how muscle function is modulated to perform motor behaviors with contrasting mechanical ..
  60. The Effects of Hydrotherapy on Anxiety and Pain in Labor
    REBECCA BENFIELD; Fiscal Year: 2005
    ..radioimmunoassay (RIA), immunoenzymatic assay (EIA), high performance liquid chromatography (HPLC) and electromyography (EMG); (3) statistics, both general and repeated measures; and (4) professional growth, including preparation ..
  61. Patellofemoral Pain: Tibiofemoral Rotation Impairments
    GRETCHEN SALSICH; Fiscal Year: 2007
    ..in four major areas: magnetic resonance imaging (MRI), motor control, advanced joint biomechanics, and electromyography (EMG)...
  62. NEUROMUSCULAR INJURY AND RECOVERY AFTER VAGINAL DELIVERY
    Alison Weidner; Fiscal Year: 2003
    ..and Hispanic women to establish normative values of pelvic musculature for that group via quantitative electromyography (QEMG) and pelvic MRI...
  63. NEUROMUSCULAR ACTIVITY OF THE PHARYNX DURING SWALLOWING
    Jeffrey Palmer; Fiscal Year: 1991
    ..The second line of research is the use of videoradiography in combination with electromyography of certain intrinsic and extrinsic muscles of the pharynx to analyze the way these muscles produce the ..
  64. STUDIES OF SPEECH ARTICULATION
    JOHN FOLKINS; Fiscal Year: 1990
    ..We plan to use strain gauge transduction of lip and jaw movement, electromyography, and other measurement techniques to explore articulatory interactions under various experimental conditions ..
  65. Locomotor Dynamics of Muscle Function
    Andrew Biewener; Fiscal Year: 2007
    ..vivo recordings of force (tendon buckle transducers), length change (sonomicrometry) and neural activation (electromyography) of key limb muscles in two animal models: quadrupedal goats and bipedal guinea fowl...
  66. Quantitative EMG as a Predictor of Functional Recovery in SCI
    Kevin C McGill; Fiscal Year: 2011
    ..This project will assess whether an electromyography examination that assesses electrical activity in the muscle 3 months after a spinal cord injury can improve ..