Nonlinear twitch torque summation by motor units activated at M-wave and H-reflex latencies

Muscle and Nerve

Volumn 40, Issue 2, 2009, Pages 221-230

  Dean, Jesse C ^a   Collins, David F ^a  

^a UNIVERSITY OF ALBERTA   (Canada)

Author keywords

EMG; Motor unit recruitment; Muscle contraction; Muscle fiber architecture; Reflexes

Indexed keywords

ADULT; ARTICLE; CONTROLLED STUDY; ELECTROMYOGRAM; FEMALE; GASTROCNEMIUS MUSCLE; HOFFMANN REFLEX; HUMAN; HUMAN EXPERIMENT; MALE; MOTOR PERFORMANCE; MOTOR UNIT; MUSCLE CELL; MUSCLE CONTRACTION; MUSCLE TWITCH; NEUROMUSCULAR ELECTRICAL STIMULATION; NORMAL HUMAN; PLANTARIS MUSCLE; PRIORITY JOURNAL; SOLEUS MUSCLE;

ACTION POTENTIALS; ADULT; ELECTRIC STIMULATION; ELECTROMYOGRAPHY; FEMALE; H-REFLEX; HUMANS; MALE; MOTOR NEURONS; MUSCLE CONTRACTION; MUSCLE, SKELETAL; NONLINEAR DYNAMICS; REACTION TIME; TIBIAL NERVE; TORQUE; YOUNG ADULT;

EID: 67749137500     PISSN: 0148639X     EISSN: 10974598     Source Type: Journal    
DOI: 10.1002/mus.21288     Document Type: Article

References (23)

1. Buchthal F, Schmalbruch H. Contraction times and fibre types in intact human muscle. Acta Physiol Scand 1970;79: 435-452.
2. Buchthal F, Schmalbruch H. Contraction times of twitches evoked by H-reflexes. Acta Physiol Scand 1970;80:378-382.
3. Collins DF. Central contributions to contractions evoked by tetanic neuromuscular electrical stimulation. Exer Sport Sci Rev 2007;35:102-109. (Pubitemid 47056546)
4. Collins DF, Burke D, Gandevia SC. Large involuntary forces consistent with plateau-like behavior of human motoneurons. J Neurosci 2001;21:4059-4065. (Pubitemid 32466497)
5. Cresswell AG, Loscher WN, Thorstensson A. Influence of gastrocnemius muscle length on triceps surae torque development and electromyographic activity in man. Exp Brain Res 1995;105:283-290.
6. max) in human muscles typically decreases during the course of an experiment. Exp Brain Res 1999;124:265-270.
7. De Luca CJ, Merletti R. Surface myoelectric signal cross-talk among muscles of the leg. Electroencephalogr Clin Neurophysiol 1988;60:568-575. (Pubitemid 18135563)
8. Dean JC, Yates LM, Collins DF. Turning on the central contribution to contractions evoked by neuromuscular electrical stimulation. J Appl Physiol 2007;103:170-176. (Pubitemid 47092289)
9. Fugl-Meyer AR, Sjostrom M, Wahlby L. Human plantar flexion strength and structure. Acta Physiol Scand 1979;107:47-56. (Pubitemid 10193746)
10. Gottlieb GL, Agarwal GC. Extinction of the Hoffmann reflex by antidromic collision. Electroencephalogr Clin Neurophysiol 1976;41:19-24.
11. Herzog W, Read LJ, Keyrs HEdJ. Experimental determination of force - length relations of intact human gastrocnemius muscles. Clin Biomech 1991;6:230-238.
12. Hugon M. Methodology of the Hoffmann reflex in man. In: Desmedt JE, editor. New developments in electromyography and clinical neurophysiology. Vol.3. Basel: Karger; 1973. p 277-293.
13. Klakowicz PM, Baldwin ER, Collins DF. Contribution of Mwaves and H-reflexes to contractions evoked by tetanic nerve stimulation in humans. J Neurophysiol 2006;96:1293-1302.
14. max ratio. Muscle Nerve 2008;37:483-489.
15. Lin CSY, Chan JHL, Pierrot-Deseilligny E, Burke D. Excitability of human muscle afferents studied using threshold tracking of the H-reflex. J Phys 2002;545:661-669. (Pubitemid 36007757)
16. Maffiuletti NA, Martin A, Van Hoecke J, Schieppati M. The relative contribution to the plantar-flexor torque of the soleus motor units activated by the H reflex and M response in humans. Neurosci Lett 2000;288:127-130. (Pubitemid 30392427)
17. Panizza M, Nilsson J, Hallett M. Optimal stimulus duration for the H reflex. Muscle Nerve 1989;12:576-579.
18. Pierrot-Deseilligny E, Mazevet D. The monosynaptic reflex: a tool to investigate motor control in humans. Interest and limits. Neurophysiol Clin 2000;30:67-80.
19. Sale D, Quinlan E, Marsh E, McComas AJ, Belanger AY. Influence of joint position on ankle plantarflexion in humans. J Appl Physiol 1982;52:1636-1642. (Pubitemid 12044359)
20. Sheffler LR, Chae J. Neuromuscular electrical stimulation in neurorehabilitation. Muscle Nerve 2007;35:562-590.
21. Trimble MH, Enoka RM. Mechanisms underlying the training effects associated with neuromuscular electrical stimulation. Phys Ther 1991;71:273-280.
22. Tucker KJ, Tuncer M, Turker KS. A review of the H-reflex and M-wave in the human triceps surae. Hum Mov Sci 2005;24: 667-688. (Pubitemid 43124619)
23. Tucker KJ, Turker KS. Muscle spindle feedback differs between the soleus and gastrocnemius in humans. Somatosens Motil Res 2004;21:189-197.