Electromyogram and force fluctuation during different linearly varying isometric motor tasks

Journal of Electromyography and Kinesiology

Volumn 20, Issue 4, 2010, Pages 732-741

  Orizio, C ^a   Baruzzi, E ^a   Gaffurini, P ^b   Diemont, B ^a   Gobbo, M ^a  

^a UNIVERSITY OF BRESCIA   (Italy)

^b UNIVERSITY OF VERONA   (Italy)

Author keywords

EMG; FDI; Linearly varying isometric contractions; Motor units activation strategy

Indexed keywords

ADULT; ANALYTICAL ERROR; ARTICLE; CENTRAL NERVOUS SYSTEM FUNCTION; CONTROLLED STUDY; ELECTROMYOGRAM; HUMAN; HUMAN EXPERIMENT; HYSTERESIS; MALE; MOTOR CONTROL; MOTOR PERFORMANCE; MOTOR UNIT POTENTIAL; MUSCLE FORCE; MUSCLE ISOMETRIC CONTRACTION; PRIORITY JOURNAL; TASK PERFORMANCE; VOLUNTARY MOVEMENT;

ADULT; BIOMECHANICS; ELECTROMYOGRAPHY; FINGERS; HUMANS; ISOMETRIC CONTRACTION; MALE; MOTOR NEURONS; MUSCLE, SKELETAL; RECRUITMENT, NEUROPHYSIOLOGICAL; SIGNAL PROCESSING, COMPUTER-ASSISTED;

EID: 77952951306     PISSN: 10506411     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jelekin.2010.03.005     Document Type: Article

References (33)

1. Akataki K., Mita K., Watakabe M., Itoh K. Mechamyographic response during voluntary ramp contractions of the human first dorsal interosseous muscle. Eur J Appl Physiol 2003, 89:520-525.
2. Basmajian J.V., De Luca C.J. Muscle alive. Their functions revealed by electromyography 1985, Williams and Wilkins, Baltimore. 5th ed.
3. Bernardi M., Solomonow M., Nguyen G., Smith A., Baratta R. Motor unit recruitment strategy changes with skill acquisition. Eur J Appl Physiol 1996, 74(1-2):52-59.
4. Bilodeau M., Bisson E., DeGrace D., Després I., Johnson M. Muscle activation characteristics associated with differences in physiological tremor amplitude between the dominant and non-dominant hand. J Electromyogr Kinesiol 2009, 19:131-138.
5. Binder-Macleod S.A., Clamann H.P. Force output of cat motor units stimulated with trains of linearly varying frequency. J Neurophysiol 1989, 61(1):208-217.
6. Boe S.G., Rice C.L., Doherty T.J. Estimating contraction level using root mean square amplitude in control subjects and patients with neuromuscolar disorders. Med Rehabil 2008, 89:711-718.
7. Clamann H.P., Schelhorn T.B. Nonlinear force addition of newly recruited motor units in the cat hindlimb. Muscle Nerve 1988, 11(10):1079-1089.
8. Clancy E.A., Farina D., Filligoi G. Single-channel techniques for information extraction from surface EMG signal. Electromyography physiology, engineering, and noninvasive applications 2004, 133-168. John Wiley and Sons, Hoboken. R. Merletti, P.A. Parker (Eds.).
9. De Luca C.J., Lefever R.S., McCue M.P., Xenakis A.P. Behaviour of human motor units in different muscles during linearly varying contractions. J Physiol (Lond) 1982, 329:113-128.
10. Denier van der Gon J.J., ter Haar Romeny B.M., van Zuylen E.J. Behavior of motor units of human arm muscles: differences between slow isometric contraction and relaxation. J Physiol (Lond) 1985, 359:107-118.
11. Elble R.J., Brilliant M., Leffler K., Higgins C. Quantification of essential tremor in writing and drawing. Movement Disorders 1996, 11(1):70-78.
12. Farina D., Fosci M., Merletti R. Motor unit recruitment strategies investigated by surface EMG variables. J Appl Physiol 2002, 92(1):235-247.
13. Farina D., Blanchietti A., Pozzo M., Merletti R. M-wave properties during progressive motor unit activation by transcutaneous stimulation. J Appl Physiol 2004, 97(2):545-555.
14. Farina D., Merletti R., Stegeman D.F. Biophysics of the generation of EMG signals. Electromyography physiology, engineering, and noninvasive applications 2004, 81-105. John Wiley and Sons, Hoboken. R. Merletti, P.A. Parker (Eds.).
15. Freund H.J. Motor unit and muscle activity in voluntary motor control. Physiol Rev 1983, 63:387-436.
16. Kimura T., Yamanaka K., Nozaki D., Nakazawa K., Miyoshi T., Akai M., et al. Hysteresis in corticospinal excitability during gradual muscle contraction and relaxation in humans. Exp Brain Res 2003, 152:123-132.
17. Homberg V., Reiners K., Hefter H., Freund H.J. The muscle activity spectrum: spectral analysis of muscle force as an estimator of overall motor unit activity. Electroencephalogr Clin Neurophysiol 1986, 63(3):209-222.
18. Kamen G., Roy A. Motor unit synchronization in young and elderly adults. Eur J Appl Physiol 2000, 81:403-410.
19. Laidlaw D.H., Bilodeau M., Enoka R.M. Steadiness is reduced and motor unit discharge is more variable in old adults. Muscle Nerve 2000, 23:600-612.
20. Lawrence J.H., De Luca C.J. Myoelectric signal versus force relationship in different human muscles. J Appl Physiol 1983, 54(6):1653-1659.
21. Lochynski D., Celichowski J. Tetanic depression and catch-like effect in fast motor units of the rat medial gastrocnemius at linearly increasing and decreasing stimulation frequencies. J Muscle Res Cell Motil 2009, 30:153-160.
22. Marshall J., Walsh E.G. Physiological tremor. J Neurol Neurosurg Psychiat 1956, 19(4):260-267.
23. Milner-Brown H.S., Stein R.B., Yemm R. The orderly recruitment of human motor units during voluntary isometric contractions. J Physiol (Lond) 1973, 230:359-370.
24. Milner-Brown H.S., Stein R.B., Yemm R. Changes in firing rate of human motor units during linearly changing voluntary contractions. J Physiol (Lond) 1973, 230:371-390.
25. Moritz C.T., Barry B.K., Pascoe M.A., Enoka R.M. Discharge rate variability influences the variation in force fluctuations across the working range of a hand muscle. J Neurophysiol 2005, 93:2449-2459.
26. Orizio C., Gobbo M., Diemont B., Esposito F., Veicsteinas A. The surface mechanomyogram as a tool to describe the influence of fatigue on biceps brachii motor unit activation strategy. Historical basis and novel evidence. Eur J Appl Physiol 2003, 90(3-4):326-336.
27. Patten C., Kamen G. Adaptations in motor unit discharge activity with force control training in young and older human adults. Eur J Appl Physiol 2000, 83:128-143.
28. Sbriccoli P., Bazzucchi I., Rosponi A., Bernardi M., De Vito G., Felici F. Amplitude and spectral characteristics of biceps brachii sEmg depend upon speed of isometric force generation. J Electromyogr Kinesiol 2003, 13:139-147.
29. Seki K., Narusawa M. Firing rate modulation of motor units in different muscles during isometric contraction with various forces. Brain Res 1996, 719(1-2):1-7.
30. Solomonow M., Baten C., Smit J., Baratta R., Hermens H., D'Ambrosia R., et al. Electromyogram power spectra frequencies associated with motor unit recruitment strategies. J Appl Physiol 1990, 68(3):1177-1185.
31. Spiegel K.M., Stratton J., Burke J.R., Glendinning D.S., Enoka R.M. The influence of age on the assessment of motor unit activation in a human hand muscle. Exp Physiol 1996, 81:805-819.
32. Taylor A.M., Christou E.A., Enoka R.M. Multiple features of motor-unit activity influence force fluctuations during isometric contractions. J Neurophysiol 2003, 90:1350-1361.
33. Tracy B.L., Maluf K.S., Stephenson J.L., Hunter S.K., Enoka R.M. Variability of motor unit discharge and force fluctuations across a range of muscle forces in older adults. Muscle Nerve 2005, 32(4):533-540.