PMID: 3769904Jan 1, 1986Paper

Contributions of slow and fast muscles of triceps surae to a cyclic movement

European Journal of Applied Physiology and Occupational Physiology
J DuchateauK Hainaut

Abstract

The relative contribution of synergistic muscles has been studied during pedalling on a bicycle. The electromyographic (EMG) activity of the different components of triceps surae (namely soleus or SOL and medial gastrocnemius or MG) has been recorded and analyzed for increasing pedalling speed performed against increasing resistance. The results indicate that SOL IEMG (integrated EMG) increases linearly (y = 2x-12.1; r = 0.98) with increasing load (10-70 N) at constant speed (60 rpm), whereas no change is noted in MG IEMG below 40 N. In contrast, when the pedalling speed is increased (from 30 to 170 rpm) at constant load, MG IEMG shows the largest increase. Furthermore, although in both muscles EMG activity appears earlier in the movement with increases in load and/or speed, the delay between the onset of both EMGs remains unchanged at constant speed and synchronization of MG with SOL is only observed when speed is increased above 140 rpm. These results suggest that the different muscles of the triceps surae make specific contributions to the development of the mechanical tension required to maintain or increase the speed of movement.

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Citations

Feb 14, 2004·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·François HugYves Jammes
Dec 1, 1996·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·A CarpentierK Hainaut
Feb 18, 1999·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·A CarpentierK Hainaut
Oct 19, 2000·Journal of Biomechanical Engineering·B J FreglyC A Dairaghi
Oct 1, 1996·Canadian Journal of Applied Physiology = Revue Canadienne De Physiologie Appliquée·D G Behm, D G Sale
Sep 17, 2014·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Jacques Duchateau, Stéphane Baudry
Feb 1, 1991·Archives Internationales De Physiologie, De Biochimie Et De Biophysique·H VandewalleG Guerenbourg
Oct 31, 2006·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Kentaro ChinoYasuo Kawakami
Jun 1, 1991·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·T MoritaniA Thorstensson
Jan 1, 1991·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·T MoritaniA Thorstensson
Dec 5, 2006·Journal of Biomechanics·Taku WakaharaTetsuo Fukunaga
Dec 1, 1996·Journal of Biomechanics·B J FreglyC A Dairaghi
Dec 8, 2017·PloS One·Keiji Koyama, Junichiro Yamauchi
Jun 16, 2018·The Journal of Experimental Biology·Robin HagerGaël Guilhem
Aug 14, 2003·Clinical Physiology and Functional Imaging·François HugYves Jammes
Dec 22, 2020·Frontiers in Physiology·Vadim MalisShantanu Sinha
Apr 22, 2008·The Journal of Experimental Biology·M SpanjaardC N Maganaris

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