PMID: 3766686Sep 1, 1986Paper

Muscle activity in the spinal cord-injured during wheelchair ambulation

The American Journal of Occupational Therapy : Official Publication of the American Occupational Therapy Association
K L Harburn, S J Spaulding

Abstract

Right shoulder complex muscles of nondisabled, paraplegic, and quadriplegic subjects were monitored with electromyography (EMG) during standardized wheelchair ambulation. It was shown that wheelchair ambulation required the recruitment of large amounts of available motor units in spinal cord-injured persons. Motor unit recruitments differed for the groups: recruitment was minimal for the nondisabled subjects, moderate for paraplegics, and often maximal for quadriplegics. In addition, large intra- and intergroup variabilities were found in the pattern of muscle recruitment during the standardized wheelchair ambulation movement. The high variability shown in the muscle recruitment patterns of the normal individuals was unexpected, because the ambulation movement had been standardized as much as possible. The technique used to monitor muscle activity in this study reflects an example of how EMG can be employed to analyze activity during a movement. Using this technique one can objectively determine if assumptions about what is occurring in a muscle group during activity are correct.

Citations

Sep 5, 2001·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·E BresselG D Heise
Apr 23, 2003·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·S de GrootL H V van der Woude
Jan 1, 1989·European Journal of Applied Physiology and Occupational Physiology·L H van der WoudeA J Sargeant
Apr 17, 1999·Archives of Physical Medicine and Rehabilitation·K A CurtisR West
Dec 1, 1991·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·H E VeegerR H Rozendal
Jun 5, 2004·Archives of Physical Medicine and Rehabilitation·Sara J MulroyJacquelin Perry
Sep 19, 2006·Clinical Biomechanics·Yu-Sheng YangMichael L Boninger
Jul 15, 2015·Journal of Shoulder and Elbow Surgery·Jacek KerrKarl Wieser
Feb 25, 2009·Archives of Physical Medicine and Rehabilitation·John W ChowMarty I Morse
Jul 25, 2018·Journal of Sport Rehabilitation·Frederico Ribeiro NetoRodrigo Luiz Carregaro
Oct 12, 2010·Disability and Rehabilitation. Assistive Technology·John W Chow, Charles E Levy
Jul 10, 2020·The Journal of Spinal Cord Medicine·Soufien ChikhEric Watelain
Jun 11, 2020·Journal of Neural Engineering·Fabio RizzoglioMaura Casadio
Oct 12, 2019·The Journal of Spinal Cord Medicine·Patpiya SirasapornRattana Vichiansiri

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