M S Redfern

Summary

Affiliation: University of Pittsburgh
Country: USA

Publications

  1. ncbi request reprint Attentional dynamics in postural control during perturbations in young and older adults
    Mark S Redfern
    Department of Bioengineering, University of Pittsburgh, Pennsylvania, USA
    J Gerontol A Biol Sci Med Sci 57:B298-303. 2002
  2. pmc Visually induced postural sway in anxiety disorders
    Mark S Redfern
    Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15213, USA
    J Anxiety Disord 21:704-16. 2007
  3. ncbi request reprint Biomechanics of slips
    M S Redfern
    Department of Bioengineering, University of Pittsburgh, PA 15213, USA
    Ergonomics 44:1138-66. 2001
  4. ncbi request reprint Cognitive influences in postural control of patients with unilateral vestibular loss
    Mark S Redfern
    Department of Otolaryngology, University of Pittsburgh, 110 Eye and Ear Institute Building, 200 Lothrop Street, Pittsburgh, PA 15213, USA
    Gait Posture 19:105-14. 2004
  5. pmc Perceptual inhibition is associated with sensory integration in standing postural control among older adults
    Mark S Redfern
    Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
    J Gerontol B Psychol Sci Soc Sci 64:569-76. 2009
  6. pmc A model-based approach to attention and sensory integration in postural control of older adults
    Arash Mahboobin
    Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Neurosci Lett 429:147-51. 2007
  7. ncbi request reprint Spectral characteristics of visually induced postural sway in healthy elderly and healthy young subjects
    P J Loughlin
    Department of Electrical Engineering and Bioengineering, University of Pittsburgh, PA 15261, USA
    IEEE Trans Neural Syst Rehabil Eng 9:24-30. 2001
  8. ncbi request reprint Attention influences sensory integration for postural control in older adults
    M S Redfern
    Department of Bioengineering, University of Pittsburgh, 128 EEI Building, 200 Lothrop Street, Pittsburgh, PA 15213, USA
    Gait Posture 14:211-6. 2001
  9. doi request reprint Space and motion discomfort and abnormal balance control in patients with anxiety disorders
    R G Jacob
    Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
    J Neurol Neurosurg Psychiatry 80:74-8. 2009
  10. ncbi request reprint Postural prioritization defines the interaction between a reaction time task and postural perturbations
    Martijn L T M Muller
    Department of Otolaryngology, University of Pittsburgh, Pittsburgh, USA
    Exp Brain Res 183:447-56. 2007

Detail Information

Publications63

  1. ncbi request reprint Attentional dynamics in postural control during perturbations in young and older adults
    Mark S Redfern
    Department of Bioengineering, University of Pittsburgh, Pennsylvania, USA
    J Gerontol A Biol Sci Med Sci 57:B298-303. 2002
    ..Sensory selection occurs in young and older adults, but to a greater degree in older subjects...
  2. pmc Visually induced postural sway in anxiety disorders
    Mark S Redfern
    Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15213, USA
    J Anxiety Disord 21:704-16. 2007
    ..This subgroup of patients may be amenable to treatment used for patients with balance disorders (i.e., vestibular rehabilitation) that focuses on sensory re-integration processes that address visual sensitivity...
  3. ncbi request reprint Biomechanics of slips
    M S Redfern
    Department of Bioengineering, University of Pittsburgh, PA 15213, USA
    Ergonomics 44:1138-66. 2001
    ..Finally, we discuss future biomechanical research needs to help to improve walkway-friction measurements and safety...
  4. ncbi request reprint Cognitive influences in postural control of patients with unilateral vestibular loss
    Mark S Redfern
    Department of Otolaryngology, University of Pittsburgh, 110 Eye and Ear Institute Building, 200 Lothrop Street, Pittsburgh, PA 15213, USA
    Gait Posture 19:105-14. 2004
    ..The site of action may be at the sensory integration level resolving multiple sensory signals for spatial orientation...
  5. pmc Perceptual inhibition is associated with sensory integration in standing postural control among older adults
    Mark S Redfern
    Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
    J Gerontol B Psychol Sci Soc Sci 64:569-76. 2009
    ..68, p < .001). Motor inhibition was not correlated with sway on either group. Perceptual inhibition may be a component of the sensory integration process important for maintaining balance in older adults...
  6. pmc A model-based approach to attention and sensory integration in postural control of older adults
    Arash Mahboobin
    Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Neurosci Lett 429:147-51. 2007
    ..Differences in the time delay of the postural control model were found for the older adults. The results suggest enhanced vulnerability of balance processes in older adults to interference from concurrent cognitive IP tasks...
  7. ncbi request reprint Spectral characteristics of visually induced postural sway in healthy elderly and healthy young subjects
    P J Loughlin
    Department of Electrical Engineering and Bioengineering, University of Pittsburgh, PA 15261, USA
    IEEE Trans Neural Syst Rehabil Eng 9:24-30. 2001
    ..This finding is in contrast to results reported recently for patients with vestibular impairments, who appear to lack such adaptation...
  8. ncbi request reprint Attention influences sensory integration for postural control in older adults
    M S Redfern
    Department of Bioengineering, University of Pittsburgh, 128 EEI Building, 200 Lothrop Street, Pittsburgh, PA 15213, USA
    Gait Posture 14:211-6. 2001
    ..Further, our data suggest that attentional processes related to inhibitory control are engaged when sensory integration requirements are high...
  9. doi request reprint Space and motion discomfort and abnormal balance control in patients with anxiety disorders
    R G Jacob
    Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
    J Neurol Neurosurg Psychiatry 80:74-8. 2009
    ..The role of anxiety responses to vestibular testing was also re-examined...
  10. ncbi request reprint Postural prioritization defines the interaction between a reaction time task and postural perturbations
    Martijn L T M Muller
    Department of Otolaryngology, University of Pittsburgh, Pittsburgh, USA
    Exp Brain Res 183:447-56. 2007
    ..However, once a perturbation commences subsequent RTs are speeded. Postural reactions were unaffected by a concurrent RT task, however. The RT stimulus acted as a cue to initiate biomechanical adaptations for an upcoming perturbation...
  11. ncbi request reprint Lower extremity corrective reactions to slip events
    R Cham
    Department of Bioengineering, University of Pittsburgh, Eye and Ear Institute Building, Room 153, 203 Lothrop Street, Pittsburgh, PA 15213, USA
    J Biomech 34:1439-45. 2001
    ..This study indicates that humans generate corrective reactions to slips that are different than previously reported responses to standing perturbations translating the supporting surface...
  12. ncbi request reprint The influence of flooring on standing comfort and fatigue
    M S Redfern
    Department of Bioengineering, University of Pittsburgh, PA 15261, USA
    AIHAJ 61:700-8. 2000
    ..Further research is needed on underlying physiological causes of standing discomfort and fatigue as well as the influence of flooring properties on subjective and objective measures...
  13. doi request reprint Inhibitory processes relate differently to balance/reaction time dual tasks in young and older adults
    David N Mendelson
    University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
    Neuropsychol Dev Cogn B Aging Neuropsychol Cogn 17:1-18. 2010
    ..In the young, neither perceptual nor motor inhibition was associated with sensory switch cost. Inhibitory skills appear particularly important in the elderly for processing events from multiple sensory channels while maintaining balance...
  14. doi request reprint Harmonic ratios: a quantification of step to step symmetry
    J L Bellanca
    Department of Bioengineering, University of Pittsburgh, USA
    J Biomech 46:828-31. 2013
    ..We suggest that the HR method may be better defined, not as a measure of rhythmicity or stability, but as a measure of step-to-step symmetry within a stride...
  15. ncbi request reprint Functional reach and single leg stance in patients with peripheral vestibular disorders
    G C Mann
    Department of Physical Therapy, University of Pittsburgh, Pennsylvania 15260, USA
    J Vestib Res 6:343-53. 1996
    ..These results support the use of FR as an additional assessment tool with patients who have peripheral vestibular disease...
  16. ncbi request reprint Effect of flooring on standing comfort and fatigue
    R Cham
    Department of Bioengineering, University of Pittsburgh, Pennsylvania 15237, USA
    Hum Factors 43:381-91. 2001
    ..Potential applications of this research include the reduction of work-related health problems associated with long-term standing...
  17. ncbi request reprint Cognitive requirements for vestibular and ocular motor processing in healthy adults and patients with unilateral vestibular lesions
    M E Talkowski
    University of Pittsburgh, PA, USA
    J Cogn Neurosci 17:1432-41. 2005
    ....
  18. doi request reprint Biomechanics of trailing leg response to slipping - evidence of interlimb and intralimb coordination
    B E Moyer
    Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Gait Posture 29:565-70. 2009
    ..The specific trailing leg's strategy used in a slip is partially determined by pre-slip walking patterns and early stance slip dynamics...
  19. ncbi request reprint Effect of preparation on dual-task performance in postural control
    Martijn L T M Muller
    University of Pittsburgh, Department of Otolaryngology, 153 EEI Building, 203 Lothrop Street, Pittsburgh, PA 15213, USA
    J Mot Behav 36:137-46. 2004
    ....
  20. ncbi request reprint The influence of flooring on standing balance among older persons
    M S Redfern
    Human Movement and Balance Laboratory, University of Pittsburgh, PA 15213, USA
    Hum Factors 39:445-55. 1997
    ..Softer floors increased the amount of sway in the older participants. These results suggest that floor compliance influences standing postural stability in older people, particularly in destabilizing visual environments...
  21. ncbi request reprint Changes in gait when anticipating slippery floors
    Rakie Cham
    Room 153, Department of Bioengineering, Eye and Ear Institute Building, University of Pittsburgh, 203 Lothrop Street, Pittsburgh, PA 15213, USA
    Gait Posture 15:159-71. 2002
    ..Insights are also gained into the adaptations that are used to reduce the potential of slips/falls...
  22. ncbi request reprint Voluntary upper-extremity movements in patients with unilateral peripheral vestibular hypofunction
    Diane F Borello-France
    Department of Physical Therapy, Duquesne University, 111 Health Sciences Bldg, Pittsburgh, PA 15282, USA
    Phys Ther 82:216-27. 2002
    ..This study investigated the influence of unilateral peripheral vestibular hypofunction on voluntary arm movement...
  23. ncbi request reprint Visual-vestibular interaction during OVAR in the elderly
    J M Furman
    Department of Otolaryngology, University of Pittsburgh, Pittsburgh, PA 15213, USA
    J Vestib Res 11:365-70. 2001
    ....
  24. ncbi request reprint Effect of aging on the otolith-ocular reflex
    J M Furman
    Department of Otolaryngology, University of Pittsburgh, The Eye and Ear Institute, PA 15213, USA
    J Vestib Res 11:91-103. 2001
    ....
  25. ncbi request reprint Visual influences on balance
    M S Redfern
    Department of Otolaryngology, University of Pittsburgh, PA, USA
    J Anxiety Disord 15:81-94. 2001
    ..Thus, while specific vestibular deficits are not always directly associated with SMD, data regarding the impact of vision on balance suggest that some patients with SMD may have an underlying balance disorder...
  26. ncbi request reprint Gait parameters as predictors of slip severity in younger and older adults
    B E Moyer
    Human Movement and Balance Laboratory, Department of Bioengineering, 749 Benedum Hall, University of Pittsburgh, Pittsburgh, PA 15260, USA
    Ergonomics 49:329-43. 2006
    ..The finding that older adults experienced hazardous slips at the same rate as young adults even though their SLR and FFA are smaller suggests that age is also playing a role in other aspects of postural control that impact slip severity...
  27. doi request reprint A comparison of accelerometry and center of pressure measures during computerized dynamic posturography: a measure of balance
    S L Whitney
    Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Gait Posture 33:594-9. 2011
    ..The use of accelerometry may have value in estimating balance function and minimizing clinical evaluation time...
  28. ncbi request reprint Clinical evidence that the vestibular system participates in autonomic control
    J M Furman
    Department of Otolaryngology, University of Pittsburgh School of Medicine, Pennsylvania, USA
    J Vestib Res 8:27-34. 1998
    ..Two speculative areas discussed in this paper include vestibular-induced orthostatic intolerance and the role of vestibular-respiratory pathways on sleep apnea...
  29. ncbi request reprint Contribution of vision to balance in children four to eight years of age
    Margaretha L Casselbrant
    Department of Otolaryngology, University of Pittsburgh School of Medicine, Pennsylvania, USA
    Ann Otol Rhinol Laryngol 116:653-7. 2007
    ..The use of sensory feedback for postural control develops throughout childhood. The aim of this study was to determine how children use cues from anterior-posterior optic flow for balance from 4 to 8 years of age...
  30. pmc Postural adaptations to repeated optic flow stimulation in older adults
    Kathryn W O'Connor
    Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15260, USA
    Gait Posture 28:385-91. 2008
    ..This suggests aging impacts the ability to quickly modify the relative weighting of the sensory feedback for postural stabilization...
  31. ncbi request reprint Vestibulo-ocular function in anxiety disorders
    Joseph M Furman
    Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
    J Vestib Res 16:209-15. 2006
    ..Excessive SMD and height phobia seem to have a mitigating effect on abnormal vestibular sensitivity, possibly via a down-weighting of central vestibular pathways...
  32. ncbi request reprint Spectrally similar periodic and non-periodic optic flows evoke different postural sway responses
    Mark C Musolino
    Department of Bioengineering, Eye and Ear Institute, 127, University of Pittsburgh, 203 Lothrop Street, PA 15213, USA
    Gait Posture 23:180-8. 2006
    ..The observed behaviors may be due to postural sensitivity to the predictability of visual motion, or due to other nonlinear and/or time-varying mechanisms in the postural control system...
  33. doi request reprint Rater reliability and concurrent validity of the Keyboard Personal Computer Style instrument (K-PeCS)
    Nancy A Baker
    Department of Occupational Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
    Appl Ergon 40:136-44. 2009
    ..These results suggest that most items on the K-PeCS can be used to reliably document computer keyboarding style...
  34. doi request reprint Discriminating between individuals with and without musculoskeletal disorders of the upper extremity by means of items related to computer keyboard use
    Nancy A Baker
    Department of Occupational Therapy, University of Pittsburgh, 5012 Forbes Tower, Pittsburgh, PA 15260, USA
    J Occup Rehabil 18:157-65. 2008
    ..This study explores the ability of models built from items of the Keyboard-Personal Computer Style instrument (K-PeCS) to discriminate between subjects who have MSD-UE and those who do not...
  35. pmc Sensory adaptation in human balance control: lessons for biomimetic robotic bipeds
    Arash Mahboobin
    Department of Electrical and Computer Engineering, University of Pittsburgh, PA, USA
    Neural Netw 21:621-7. 2008
    ..Our goal is to replicate this robust balance behavior in bipedal robots. We review results exploring sensory re-weighting in humans and describe implementations of sensory re-weighting in simulation and on a robot...
  36. pmc Longitudinal posturography and rotational testing in children three to nine years of age: normative data
    Margaretha L Casselbrant
    Department of Pediatric Otolaryngology, Children s Hospital of Pittsburgh of UPMC, Department of Otolaryngology, University of Pittsburgh, Pittsburgh, PA 15224, USA
    Otolaryngol Head Neck Surg 142:708-14. 2010
    ..To obtain normative longitudinal vestibulo-ocular and balance test data in children from ages three to nine years with normal middle ear status...
  37. pmc Delays in auditory-cued step initiation are related to increased volume of white matter hyperintensities in older adults
    Patrick J Sparto
    Department of Physical Therapy, University of Pittsburgh, 6035 Forbes Tower, Pittsburgh, PA 15260, USA
    Exp Brain Res 188:633-40. 2008
    ....
  38. ncbi request reprint The influence of cognitive tasks on vestibular-induced eye movements in young and older adults
    Bryan K Ward
    Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, USA
    J Vestib Res 18:187-95. 2008
    ..These results suggest cognitive task-dependent interference between central auditory processing and vestibular processing primarily at the sensory rather than at the motor level...
  39. ncbi request reprint Multitasking: association between poorer performance and a history of recurrent falls
    Kimberly A Faulkner
    Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
    J Am Geriatr Soc 55:570-6. 2007
    ..To examine the association between poorer performance on concurrent walking and reaction time and recurrent falls...
  40. pmc Head sway response to optic flow: effect of age is more important than the presence of unilateral vestibular hypofunction
    Patrick J Sparto
    Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA 15260, USA
    J Vestib Res 16:137-45. 2006
    ..The purpose of this study was to examine how older adults with vestibular impairment use sensory feedback for postural control...
  41. ncbi request reprint Nonstationarities of postural sway
    Patrick J Loughlin
    Dept of Electrical Engineering, 348 Benedum Hall, University of Pittsburgh, Pittsburgh, PA 15261, USA
    IEEE Eng Med Biol Mag 22:69-75. 2003
  42. ncbi request reprint Visual-vestibular stimulation interferes with information processing in young and older humans
    Joseph M Furman
    Department of Otolaryngology, Eye and Ear Institute Building, University of Pittsburgh School of Medicine, Suite 500, 200 Lothrop Street, 15213, Pittsburgh, PA, USA
    Exp Brain Res 152:383-92. 2003
    ....
  43. ncbi request reprint Otolith-ocular responses in patients with surgically confirmed unilateral peripheral vestibular loss
    Joseph M Furman
    Department of Otolaryngology, University of Pittsburgh, PA, USA
    J Vestib Res 13:143-51. 2003
    ..These results have clinical implications for the management of patients with unilateral vestibular loss and provide insights into the process of vestibular compensation especially with respect to the otolith-ocular reflex...
  44. ncbi request reprint Correlation between EMG and COP onset latency in response to a horizontal platform translation
    Martijn L T M Muller
    Department of Otolaryngology, University of Pittsburgh, 153 EEI Building, 203 Lothrop Street, Pittsburgh, PA 15213, USA
    J Biomech 37:1573-81. 2004
    ....
  45. ncbi request reprint Developing an observational instrument to evaluate personal computer keyboarding style
    Nancy A Baker
    Department of Occupational Therapy, School of Health and Rehabilitation Sciences, 5012 Forbers Tower, University of Pittsburgh, Pittsburgh, PA 15260, USA
    Appl Ergon 36:345-54. 2005
    ..The PeCKS, when further psychometric testing is completed, will be useful to document and assess keyboarding to identify those individuals who may be at risk for MSD-UE...
  46. ncbi request reprint Sensory re-weighting in human postural control during moving-scene perturbations
    Arash Mahboobin
    Department of Electrical Engineering, University of Pittsburgh, PA 15261, USA
    Exp Brain Res 167:260-7. 2005
    ..We also found evidence of habituation to moving scene perturbations with repeated exposure...
  47. ncbi request reprint The influence of dynamic visual cues for postural control in children aged 7-12 years
    Patrick J Sparto
    Department of Physical Therapy, University of Pittsburgh, PA 15260, USA
    Exp Brain Res 168:505-16. 2006
    ..However, 7-12-year-old children do not utilize somatosensory cues to stabilize posture to the same extent as adults when visual and somatosensory cues are conflicting...
  48. ncbi request reprint Reciprocal influence of concurrent walking and cognitive testing on performance in older adults
    Kimberly A Faulkner
    University of Pittsburgh, 130 DeSoto Street, Parran 509, Pittsburgh, PA 15261, USA
    Gait Posture 24:182-9. 2006
    ..062). Findings suggest that walking requires significant cognitive resources among older adults and slower-walking adults and weaker adults may require higher cognitive loading while walking...
  49. ncbi request reprint Clinical measurement of sit-to-stand performance in people with balance disorders: validity of data for the Five-Times-Sit-to-Stand Test
    Susan L Whitney
    Department of Physical Therapy, University of Pittsburgh, 6035 Forbes Tower, Pittsburgh, PA 15260, USA
    Phys Ther 85:1034-45. 2005
    ..The FTSST was compared with the Activities-specific Balance Confidence Scale (ABC) and the Dynamic Gait Index (DGI)...
  50. ncbi request reprint Ethnic differences in the frequency and circumstances of falling in older community-dwelling women
    Kimberly A Faulkner
    Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
    J Am Geriatr Soc 53:1774-9. 2005
    ..To examine ethnic differences in fall rates and fall circumstances in older community-dwelling Caucasian and African-American women...
  51. ncbi request reprint Effects of slip testing parameters on measured coefficient of friction
    Kurt E Beschorner
    Department of Bioengineering, University of Pittsburgh, 749 Benedum Hall, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Appl Ergon 38:773-80. 2007
    ..The results imply that COF is dependent on film thickness separating the shoe and the heel, which is dependent on speed, shoe angle, and NF, consistent with tribological theory...
  52. ncbi request reprint Responses to a virtual reality grocery store in persons with and without vestibular dysfunction
    Susan L Whitney
    Department of Physical Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
    Cyberpsychol Behav 9:152-6. 2006
    ..The older subjects traveled a shorter distance and had greater speed of head movements compared with young subjects. Environments with a greater number of products resulted in more head movements and a shorter distance traveled...
  53. ncbi request reprint Kinematics of the fingers and hands during computer keyboard use
    Nancy A Baker
    Department of Occupational Therapy, University of Pittsburgh, School of Health and Rehabilitation Sciences, 5012 Forbes Tower, University of Pittsburgh, Pittsburgh, PA 15260, USA
    Clin Biomech (Bristol, Avon) 22:34-43. 2007
    ..The purpose of this descriptive study was to establish normative values of the kinematics of the fingers and hands during computer keyboard use...
  54. ncbi request reprint The steady-state postural response to continuous sinusoidal galvanic vestibular stimulation
    L D Latt
    Department of Otolaryngology, University of Pittsburgh, Pittsburgh, PA, USA
    Gait Posture 18:64-72. 2003
    ..1 Hz and nearly equal at 0.45 Hz in comparison with the single-frequency responses. This study suggests that the postural sway response is nonlinear due to saturation and violation of the principle of superposition...
  55. ncbi request reprint Ergonomic analysis of microlaryngoscopy
    Melissa McCarty Statham
    University of Pittsburgh Voice Center, Department of Otolaryngology, Pittsburgh, Pennsylvania, USA
    Laryngoscope 120:297-305. 2010
    ..To apply ergonomic principles in analysis of three different operative positions used in laryngeal microsurgery...
  56. ncbi request reprint Higher 1,25-dihydroxyvitamin D3 concentrations associated with lower fall rates in older community-dwelling women
    K A Faulkner
    University of Pittsburgh, 130 DeSoto Street, Parran 509, Pittsburgh, PA 15261, USA
    Osteoporos Int 17:1318-28. 2006
    ..The purpose of this study was to examine the relationships of vitamin D supplementation and serum concentrations of vitamin D metabolites and parathyroid hormone (PTH) with neuromuscular function and falls in older community-dwelling women...
  57. ncbi request reprint Measurements of wrist and finger postures: a comparison of goniometric and motion capture techniques
    James R Cook
    Department of Otolaryngology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
    J Appl Biomech 23:70-8. 2007
    ..The proposed model is useful for future investigations of finger-intensive activities by supplying accurate and unbiased measures of joint angles...
  58. pmc Stiffness and damping in postural control increase with age
    Massimo Cenciarini
    Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
    IEEE Trans Biomed Eng 57:267-75. 2010
    ..This concurrent increase in active stiffness and damping was shown to be more stabilizing than an increase in stiffness alone, as assessed by oscillations in the postural control model impulse response...
  59. ncbi request reprint Medial-lateral postural control in older adults exhibits increased stiffness and damping
    Massimo Cenciarini
    Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Conf Proc IEEE Eng Med Biol Soc 2009:7006-9. 2009
    ..This concurrent increase in stiffness and damping is more stabilizing than an increase in stiffness alone, which can lead to resonances...
  60. ncbi request reprint Ground reaction forces during human locomotion on railroad ballast
    Chip Wade
    Andrews Research and Education Institute, Gulf Breeze, FL, USA
    J Appl Biomech 23:322-9. 2007
    ..The data presented here demonstrate the feasibility of using a force plate system to expand the scope of biomechanical analyses of locomotion on ballast surfaces...
  61. ncbi request reprint Kinematics of heelstrike during walking and carrying: implications for slip resistance testing
    Mary Ann Holbein-Jenny
    Graduate School of Physical Therapy, Slippery Rock University, Physical Therapy Building, Slippery Rock, PA 16057 1326, USA
    Ergonomics 50:352-63. 2007
    ..These results can be used to improve the fidelity of slip resistance measurements, which is critical to reduce slip and fall injuries in the workplace or during activities of daily living...
  62. ncbi request reprint Adaptation of vibration-induced postural sway in individuals with Parkinson's disease
    Ann L Smiley-Oyen
    Department of Health and Human Performance, Iowa State University, 244 Forker Building, Ames, IA 50011, USA
    Gait Posture 16:188-97. 2002
    ..These results suggest that the basal ganglia are not critical for this adaptation process in postural control...
  63. ncbi request reprint Effects of nortriptyline and paroxetine on postural sway in depressed elderly patients
    David C Mamo
    Department of Psychiatry, University of Pittsburgh School of Medicine, PA, USA
    Am J Geriatr Psychiatry 10:199-205. 2002
    ..Further studies with other SSRIs are needed...