Darino Farina

Summary

Affiliation: Aalborg University
Country: Denmark

Publications

  1. pmc Offline Identification of Imagined Speed of Wrist Movements in Paralyzed ALS Patients from Single-Trial EEG
    Ying Gu
    Center for Sensory Motor Interaction, Aalborg University Aalborg, Denmark
    Front Neurosci 3:62. 2009
  2. ncbi Effect of muscle-fiber velocity recovery function on motor unit action potential properties in voluntary contractions
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    Muscle Nerve 37:650-8. 2008
  3. doi Optimized wavelets for blind separation of nonstationary surface myoelectric signals
    Dario Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    IEEE Trans Biomed Eng 55:78-86. 2008
  4. ncbi Estimation of muscle fiber conduction velocity with a spectral multidip approach
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, Aalborg DK 9220, Denmark
    IEEE Trans Biomed Eng 54:1583-9. 2007
  5. doi Discharge variability of motor units in an intrinsic muscle of transplanted hand
    Dario Farina
    Department of Health Science and Technology, Center for Sensory Motor Interaction, Aalborg University, Fredrik Bajers Vej 7 D 3, Aalborg, Denmark
    J Neurophysiol 99:2232-40. 2008
  6. ncbi The change in spatial distribution of upper trapezius muscle activity is correlated to contraction duration
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, 9220 Aalborg East, Denmark
    J Electromyogr Kinesiol 18:16-25. 2008
  7. doi Discharge rate of sternohyoid motor units activated with surface EMG feedback
    Dario Farina
    Center for Sensory Motor Interaction, SMI Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Neurophysiol 101:624-32. 2009
  8. doi Entropy-based optimization of wavelet spatial filters
    Darino Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    IEEE Trans Biomed Eng 55:914-22. 2008
  9. pmc Adjustments differ among low-threshold motor units during intermittent, isometric contractions
    Dario Farina
    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 101:350-9. 2009
  10. doi Motor unit acceleration maps and interference mechanomyographic distribution
    Dario Farina
    Department of Health Science and Technology, Center for Sensory Motor Interaction SMI, Aalborg University, Fredrik Bajers Vej 7D 3, 9220 Aalborg, Denmark
    J Biomech 41:2843-9. 2008

Collaborators

Detail Information

Publications64

  1. pmc Offline Identification of Imagined Speed of Wrist Movements in Paralyzed ALS Patients from Single-Trial EEG
    Ying Gu
    Center for Sensory Motor Interaction, Aalborg University Aalborg, Denmark
    Front Neurosci 3:62. 2009
    ..The results indicate that the imagination of movements at different speeds is a viable strategy for controlling a brain-computer interface system by ALS patients...
  2. ncbi Effect of muscle-fiber velocity recovery function on motor unit action potential properties in voluntary contractions
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    Muscle Nerve 37:650-8. 2008
    ..This has implications for the use of conduction velocity values measured during voluntary contractions to differentiate patient populations from healthy individuals and for the development of normative data...
  3. doi Optimized wavelets for blind separation of nonstationary surface myoelectric signals
    Dario Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    IEEE Trans Biomed Eng 55:78-86. 2008
    ..0% with Choi-Williams distribution, and 35.1 +/- 15.5% with second-order statistics. In conclusion, the proposed approach resulted in better performance than previous methods for the separation of nonstationary myoelectric signals...
  4. ncbi Estimation of muscle fiber conduction velocity with a spectral multidip approach
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, Aalborg DK 9220, Denmark
    IEEE Trans Biomed Eng 54:1583-9. 2007
    ..03 m/s with 100 dips. The proposed method does not imply limitation in resolution of the estimated conduction velocity and does not require any iterative procedure for the estimate since it is based on a closed analytical formulation...
  5. doi Discharge variability of motor units in an intrinsic muscle of transplanted hand
    Dario Farina
    Department of Health Science and Technology, Center for Sensory Motor Interaction, Aalborg University, Fredrik Bajers Vej 7 D 3, Aalborg, Denmark
    J Neurophysiol 99:2232-40. 2008
    ..In conclusion, motor neurons that reinnervated a muscle in a transplanted hand discharged action potentials with a high degree of variability that suggested greater synaptic noise during the voluntary contractions...
  6. ncbi The change in spatial distribution of upper trapezius muscle activity is correlated to contraction duration
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, 9220 Aalborg East, Denmark
    J Electromyogr Kinesiol 18:16-25. 2008
    ..It was concluded that the changes in spatial muscle activity distribution play a role in the ability to maintain a static contraction...
  7. doi Discharge rate of sternohyoid motor units activated with surface EMG feedback
    Dario Farina
    Center for Sensory Motor Interaction, SMI Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Neurophysiol 101:624-32. 2009
    ..6+/-36.8 pps. The observed discharge rates and their variability are higher than those reported for limb muscles, which may be due to large synaptic input and noise received by these motor neurons...
  8. doi Entropy-based optimization of wavelet spatial filters
    Darino Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    IEEE Trans Biomed Eng 55:914-22. 2008
    ....
  9. pmc Adjustments differ among low-threshold motor units during intermittent, isometric contractions
    Dario Farina
    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 101:350-9. 2009
    ..These results indicate that low-threshold motor units exhibit individual adjustments in muscle fiber conduction velocity and motor neuron activation that depended on the relative duration of activity during intermittent contractions...
  10. doi Motor unit acceleration maps and interference mechanomyographic distribution
    Dario Farina
    Department of Health Science and Technology, Center for Sensory Motor Interaction SMI, Aalborg University, Fredrik Bajers Vej 7D 3, 9220 Aalborg, Denmark
    J Biomech 41:2843-9. 2008
    ..The observed dependency of MUAMs on motor unit location provides a quantitative analysis of the effect of the volume conductor on the recorded surface MMG signal...
  11. ncbi Optimization of wavelets for classification of movement-related cortical potentials generated by variation of force-related parameters
    Dario Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Neurosci Methods 162:357-63. 2007
    ..8+/-3.4% with optimal wavelet and SVM with optimization of the kernel and regularization parameter. The proposed pattern recognition method is promising for classification of MRCPs modulated by variations of force-related parameters...
  12. ncbi Interpretation of the surface electromyogram in dynamic contractions
    Dario Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    Exerc Sport Sci Rev 34:121-7. 2006
    ..The conclusion is that interpretation of the surface EMG in dynamic tasks requires caution...
  13. doi Decoding the neural drive to muscles from the surface electromyogram
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    Clin Neurophysiol 121:1616-23. 2010
    ..This approach is reliable in several conditions and muscles for isometric contractions of moderate force, but is limited to the few superficial units that can be identified in the recordings...
  14. ncbi Correlation of average muscle fiber conduction velocity measured during cycling exercise with myosin heavy chain composition, lactate threshold, and VO2max
    Dario Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Fredrik Bajers Vej 7 D 3, Aalborg University, DK 9220 Aalborg, Denmark
    J Electromyogr Kinesiol 17:393-400. 2007
    ..05). Instantaneous mean power spectral frequency was not correlated with any of these variables or with MFCV, thus questioning the use of surface EMG spectral analysis for indirect estimation of MFCV in dynamic contractions...
  15. ncbi Effect of power, pedal rate, and force on average muscle fiber conduction velocity during cycling
    Dario Farina
    Center for Sensory Motor Interaction, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9100 Aalborg, Denmark
    J Appl Physiol (1985) 97:2035-41. 2004
    ....
  16. ncbi Experimental muscle pain reduces initial motor unit discharge rates during sustained submaximal contractions
    Dario Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Appl Physiol (1985) 98:999-1005. 2005
    ....
  17. ncbi Spike-triggered average torque and muscle fiber conduction velocity of low-threshold motor units following submaximal endurance contractions
    Dario Farina
    Center for Sensory Motor Interaction, Dept of Health Science and Technology, Aalborg Univ, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Appl Physiol (1985) 98:1495-502. 2005
    ..In conclusion, modifications in peak twitch torque of low-threshold motor units with sustained contraction are mainly determined by mechanisms not related to changes in action potential shape and in its propagation velocity...
  18. ncbi Conduction velocity of low-threshold motor units during ischemic contractions performed with surface EMG feedback
    Dario Farina
    Center for Sensory Motor Interaction SMI Dept of Health Science and Technology, Aalborg Univ, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Appl Physiol (1985) 98:1487-94. 2005
    ....
  19. ncbi Single motor unit and spectral surface EMG analysis during low-force, sustained contractions of the upper trapezius muscle
    Dario Farina
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Denmark
    Eur J Appl Physiol 96:157-64. 2006
    ..On the contrary, single motor unit conduction velocity may provide an early indication of changes in muscle fiber membrane properties with sustained activity...
  20. ncbi Effect of temperature on spike-triggered average torque and electrophysiological properties of low-threshold motor units
    Dario Farina
    Center for Sensory Motor Interaction, Dept of Health Science and Technology, Aalborg Univ, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Appl Physiol (1985) 99:197-203. 2005
    ..43), and with the decrease in action potential amplitude (r2 = 0.50). In conclusion, temperature-induced modifications in fiber membrane conduction properties may have a direct effect on contractile motor unit properties...
  21. ncbi Multichannel thin-film electrode for intramuscular electromyographic recordings
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, Aalborg, Denmark
    J Appl Physiol (1985) 104:821-7. 2008
    ..The experimental tests demonstrated that thin film is a promising technology for a new type of flexible-wire intramuscular EMG recording system with multiple detection sites...
  22. ncbi The pain-induced decrease in low-threshold motor unit discharge rate is not associated with the amount of increase in spike-triggered average torque
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    Clin Neurophysiol 119:43-51. 2008
    ..This study examined whether there is an association between the magnitude of change in motor unit discharge rate and the amount of increase in the spike-triggered average torque during experimental muscle pain...
  23. pmc Amplitude cancellation of motor-unit action potentials in the surface electromyogram can be estimated with spike-triggered averaging
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    J Neurophysiol 100:431-40. 2008
    ..05, for abductor digiti minimi). The results indicate that cancellation of APs in the interference EMG can be analytically predicted and experimentally measured with STA from the discharge times of the motor units into the surface EMG...
  24. ncbi Experimental muscle pain decreases voluntary EMG activity but does not affect the muscle potential evoked by transcutaneous electrical stimulation
    Dario Farina
    Department of Health Science and Technology, Center for Sensory Motor Interaction SMI, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    Clin Neurophysiol 116:1558-65. 2005
    ..The aim of this human study was to investigate if voluntary EMG activity and supra-maximal M-wave are affected by injection of hypertonic saline to experimentally induce muscle pain...
  25. pmc Detecting the unique representation of motor-unit action potentials in the surface electromyogram
    Dario Farina
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    J Neurophysiol 100:1223-33. 2008
    ..The noninvasive identification of motor units from the surface EMG requires the use of multiple channels of information...
  26. ncbi The recruitment order of electrically activated motor neurons investigated with a novel collision technique
    Kristian Hennings
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 2, DK 9220 Aalborg, Denmark
    Clin Neurophysiol 118:283-91. 2007
    ....
  27. ncbi Experimental muscle pain changes motor control strategies in dynamic contractions
    Ulysses F Ervilha
    Laboratory for Experimental Pain Research, Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, 9220, Aalborg, Denmark
    Exp Brain Res 164:215-24. 2005
    ..Such a changed motor strategy may be highly relevant in models of occupational musculoskeletal pain conditions...
  28. ncbi Effect of innervation-zone distribution on estimates of average muscle-fiber conduction velocity
    Mogens Nielsen
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D3, 9220 Aalborg, Denmark
    Muscle Nerve 37:68-78. 2008
    ..The effect of innervation-zone distribution on MFCV estimates is thus substantial and may be a significant confounding factor in experimental and clinical studies on muscles with diffuse innervation zones...
  29. ncbi Velocity recovery function of the compound muscle action potential assessed with doublet and triplet stimulation
    Ernest Nlandu Kamavuako
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    Muscle Nerve 36:190-6. 2007
    ..Changes in CMAP properties due to repeated activation may influence the accuracy of techniques based on CMAP recordings, such as collision methods...
  30. ncbi Gender-specific differences in electromyographic changes and perceived pain induced by experimental muscle pain during sustained contractions of the upper trapezius muscle
    Hong You Ge
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220, Aalborg, Denmark
    Muscle Nerve 32:726-33. 2005
    ..It was concluded that the pain-induced changes in motor control strategies during sustained contractions differ in men and women, which may partly explain gender differences in the incidence of musculoskeletal pain...
  31. doi Single-trial discrimination of type and speed of wrist movements from EEG recordings
    Ying Gu
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    Clin Neurophysiol 120:1596-600. 2009
    ..The study explored the possibility of identifying movement type and speed from EEG recordings...
  32. doi 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...
  33. doi Influence of fatigue on the simulated relation between the amplitude of the surface electromyogram and muscle force
    Jakob L Dideriksen
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    Philos Trans A Math Phys Eng Sci 368:2765-81. 2010
    ..The results indicate that the surface EMG amplitude cannot be used to predict either the level of muscle activation or the magnitude of muscle force when the muscle exhibits any fatigue...
  34. ncbi Upper trapezius muscle mechanomyographic and electromyographic activity in humans during low force fatiguing and non-fatiguing contractions
    Pascal Madeleine
    Centre for Sensory Motor Interaction, Aalborg University, Fredrik Bajers Vej 7, Bldg D 3, 9220 Aalborg, Denmark
    Eur J Appl Physiol 87:327-36. 2002
    ..For fatiguing contractions, normalisation of the EMG and MMG to some extent can lead to a misleading interpretation. Assessment of the upper trapezius muscle by means of MMG may be valuable in ergonomics...
  35. doi Time-dependent effects of pre-conditioning activation on muscle fiber conduction velocity and twitch torque
    Ernest Nlandu Kamavuako
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    Muscle Nerve 42:547-55. 2010
    ..The results provide evidence of the range of preconditioning intervals influencing the VRF and TRF; this is relevant for understanding the mechanisms of force generation and for standardizing compound action potential measurements...
  36. pmc Fluctuations in isometric muscle force can be described by one linear projection of low-frequency components of motor unit discharge rates
    Francesco Negro
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Physiol 587:5925-38. 2009
    ..In conclusion, one signal captures most of the underlying variability of the low-frequency components of motor unit discharge rates and explains large part of the fluctuations in the motor output during isometric contractions...
  37. doi Enhanced EMG signal processing for simultaneous and proportional myoelectric control
    Johnny L G Nielsen
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, 9220 Aalborg, Denmark
    Conf Proc IEEE Eng Med Biol Soc 2009:4335-8. 2009
    ..A five-fold cross-validation training/testing method was applied. The resulting performance is a significant improvement over a previously proposed sEMG processing method for the proportional, multi-DOF myoelectric control task...
  38. ncbi Non-uniform electromyographic activity during fatigue and recovery of the vastus medialis and lateralis muscles
    Nosratollah Hedayatpour
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, 9220 Aalborg East, Denmark
    J Electromyogr Kinesiol 18:390-6. 2008
    ..05). The results indicate spatial dependency of EMG variables during fatigue and recovery and thus the necessity of EMG spatial sampling for global muscle assessment...
  39. doi Longitudinal and transverse propagation of surface mechanomyographic waves generated by single motor unit activity
    Corrado Cescon
    Department of Health Science and Technology, Center for Sensory Motor Interaction, Aalborg University, Aalborg, Denmark
    Med Biol Eng Comput 46:871-7. 2008
    ....
  40. ncbi Motor unit conduction velocity during sustained contraction of the vastus medialis muscle
    Nosratollah Hedayatpour
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, 9220 Aalborg, Denmark
    Exp Brain Res 180:509-16. 2007
    ..46; P < 0.0001) but significantly different (P < 0.05). The results indicate that single motor unit conduction velocity and its rate of change during sustained contraction, assessed at a fixed discharge rate, depend on force level...
  41. doi Simultaneous and proportional force estimation for multifunction myoelectric prostheses using mirrored bilateral training
    Johnny L G Nielsen
    Strategic Technology Management, Otto Bock Healthcare Products GmbH, Vienna A 1070, Austria
    IEEE Trans Biomed Eng 58:681-8. 2011
    ....
  42. doi A criterion for signal-based selection of wavelets for denoising intrafascicular nerve recordings
    Ernest Nlandu Kamavuako
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Neurosci Methods 186:274-80. 2010
    ..94+/-0.02 between the estimated spike rate and the muscle length. Therefore, the study proposes an effective method for selecting the optimal mother wavelet for denoising neural signals with the aim of improving AP detection...
  43. doi Comparison of feature selection and classification methods for a brain-computer interface driven by non-motor imagery
    Alvaro Fuentes Cabrera
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    Med Biol Eng Comput 48:123-32. 2010
    ..The results are relevant for the choice of the translation algorithm for an on-line BCI system based on non-motor imagery...
  44. doi Effect of pain on the modulation in discharge rate of sternocleidomastoid motor units with force direction
    Deborah Falla
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Denmark
    Clin Neurophysiol 121:744-53. 2010
    ..To compare the behavior of sternocleidomastoid motor units of patients with chronic neck pain and healthy controls...
  45. ncbi An integrative model of motor unit activity during sustained submaximal contractions
    Jakob L Dideriksen
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Appl Physiol (1985) 108:1550-62. 2010
    ..The model output provides an integrative perspective of the adjustments during fatiguing contractions that are difficult to measure experimentally...
  46. ncbi Spectral moments of mechanomyographic signals recorded with accelerometer and microphone during sustained fatiguing contractions
    Pascal Madeleine
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, 9220, Aalborg, Denmark
    Med Biol Eng Comput 44:290-7. 2006
    ..Moreover, the characteristics of MMG signals recorded with microphones and accelerometers have important differences, which should be taken into account when comparing results from different studies...
  47. ncbi Spatial and force dependency of mechanomyographic signal features
    Pascal Madeleine
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, DK 9220 Aalborg, Denmark
    J Neurosci Methods 158:89-99. 2006
    ..These results highlight limitations when using single-channel MMG features for the assessment of motor unit control strategies, due to a substantial effect of position on the relation between force and MMG characteristics...
  48. ncbi Spatial and temporal changes of upper trapezius muscle fiber conduction velocity are not predicted by surface EMG spectral analysis during a dynamic upper limb task
    Deborah Falla
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, DK 9220 Aalborg, Denmark
    J Neurosci Methods 156:236-41. 2006
    ..This finding suggests that spectral analysis cannot be used to infer changes in the spatial and temporal behavior of muscle fiber CV during dynamic tasks...
  49. doi Relationship between grasping force and features of single-channel intramuscular EMG signals
    Ernest Nlandu Kamavuako
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    J Neurosci Methods 185:143-50. 2009
    ..9 and was not significantly different from the degree of correlation between sEMG and force. This result indicates that a selective iEMG recording is representative of the applied grasping force and can be used for proportional control...
  50. doi Adaptations of upper trapezius muscle activity during sustained contractions in women with fibromyalgia
    Deborah Falla
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7, D 3, DK 9220 Aalborg, Denmark
    J Electromyogr Kinesiol 20:457-64. 2010
    ..The results indicate that muscle pain prevents the adaptation of upper trapezius activity during sustained contractions as observed in non-painful conditions, which may induce overuse of similar muscle compartments with fatigue...
  51. ncbi Experimental muscle pain changes the spatial distribution of upper trapezius muscle activity during sustained contraction
    Pascal Madeleine
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, 9220 Aalborg East, Denmark
    Clin Neurophysiol 117:2436-45. 2006
    ..To investigate the effect of local excitation of nociceptive muscle afferents on the spatial distribution of muscle activity...
  52. ncbi Neural and muscular factors associated with motor impairment in neck pain
    Deborah Falla
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7, D 3, DK 9220 Aalborg, Denmark
    Curr Rheumatol Rep 9:497-502. 2007
    ..Rehabilitation programs that include interventions for neuromuscular changes seem beneficial for restoring motor function and may prove effective for reducing neck pain recurrence...
  53. doi Sensory and electromyographic mapping during delayed-onset muscle soreness
    Nosratollah Hedayatpour
    Centre for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, Aalborg, Denmark
    Med Sci Sports Exerc 40:326-34. 2008
    ..The aim of this human study was to apply novel topographical mapping techniques to investigate sensory and EMG manifestations of delayed-onset muscle soreness (DOMS) in multiple locations of the quadriceps...
  54. ncbi Time to task failure in shoulder elevation is associated to increase in amplitude and to spatial heterogeneity of upper trapezius mechanomyographic signals
    Pascal Madeleine
    Laboratory for Work related Pain and Biomechanics, Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, 9220, Aalborg, Denmark
    Eur J Appl Physiol 102:325-33. 2008
    ....
  55. ncbi Pain-induced changes in cervical muscle activation do not affect muscle fatigability during sustained isometric contraction
    Deborah Falla
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7, D 3, DK 9220 Aalborg, Denmark
    J Electromyogr Kinesiol 18:938-46. 2008
    ..This finding has implications for interpreting the mechanisms underlying greater cervical muscle fatigue in people with neck pain disorders...
  56. ncbi Periodic increases in force during sustained contraction reduce fatigue and facilitate spatial redistribution of trapezius muscle activity
    Deborah Falla
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7, D 3, 9220 Aalborg, Denmark
    Exp Brain Res 182:99-107. 2007
    ..The change in spatial distribution of EMG amplitude over time during a sustained contraction may reflect a mechanism to counteract fatigue during prolonged muscle activity...
  57. ncbi Heterogeneous mechanomyographic absolute activation of paraspinal muscles assessed by a two-dimensional array during short and sustained contractions
    Pascal Madeleine
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
    J Biomech 40:2663-71. 2007
    ..This study underlines the importance of using multiple recording sites when assessing back muscle activity...
  58. doi Gender-specific adaptations of upper trapezius muscle activity to acute nociceptive stimulation
    Deborah Falla
    Department of Health Science and Technology, Center for Sensory Motor Interaction, Aalborg University, Fredrik Bajers Vej 7, D 3, DK 9220 Aalborg, Denmark
    Pain 138:217-25. 2008
    ..This mechanism was maintained in men but not in women during the painful condition. The results demonstrate that muscle pain alters the normal adaptation of upper trapezius muscle activity to fatigue in women but not in men...
  59. doi Movement-related cortical potentials allow discrimination of rate of torque development in imaginary isometric plantar flexion
    Omar Feix do Nascimento
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, DK 9220 Aalborg, Denmark
    IEEE Trans Biomed Eng 55:2675-8. 2008
    ..This result constitutes the first step for the development of a new type of brain-computer interfaces that rely on kinetic parameters of a single limb rather than movements of opposite limbs...
  60. ncbi Neuromuscular adaptation in experimental and clinical neck pain
    Deborah Falla
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7, D 3, DK 9220 Aalborg, Denmark
    J Electromyogr Kinesiol 18:255-61. 2008
    ..The knowledge obtained from the interpretation of clinical findings with experimental pain models has relevance for the development of therapeutic interventions for the rehabilitation of patients with neck pain disorders...
  61. ncbi Experimental muscle pain results in reorganization of coordination among trapezius muscle subdivisions during repetitive shoulder flexion
    Deborah Falla
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7D 3, 9220, Aalborg, Denmark
    Exp Brain Res 178:385-93. 2007
    ..The results suggest that local elicitation of nociceptive afferents in the upper division of the trapezius induces reorganization in the coordinated activity of the three subdivisions of the trapezius in repetitive dynamic tasks...
  62. ncbi Optimal wavelets for biomedical signal compression
    Mogens Nielsen
    Center for Sensory Motor Interaction, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D 3, 9220, Aalborg, Denmark
    Med Biol Eng Comput 44:561-8. 2006
    ..The algorithm can be applied to any signal type since the optimal wavelet is selected on a signal-by-signal basis. Examples of application to ECG and EEG signals are also reported...
  63. doi The role of motor learning and neuroplasticity in designing rehabilitation approaches for musculoskeletal pain disorders
    Shellie A Boudreau
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7, D 3, DK 9220 Aalborg, Denmark
    Man Ther 15:410-4. 2010
    ..Further, the promising role of novel motor-skill training is discussed in order to best direct the clinician to optimize rehabilitation strategies for patients with musculoskeletal pain disorders...
  64. ncbi Compression of biomedical signals with mother wavelet optimization and best-basis wavelet packet selection
    Laurent Brechet
    Center for Sensory Motor Interaction SMI, Department of Health Science and Technology, Aalborg University, DK 9220 Aalborg, Denmark
    IEEE Trans Biomed Eng 54:2186-92. 2007
    ..The method provides an adaptive approach for optimal signal representation for compression and can thus be applied to any type of biomedical signal...