作者
Susan J Harkema, Seanna L Hurley, Uday K Patel, Philip S Requejo, BRUCE H Dobkin, V Reggie Edgerton
发表日期
1997/2/1
期刊
Journal of neurophysiology
卷号
77
期号
2
页码范围
797-811
出版商
American Physiological Society
简介
Harkema, Susan J., Seanna L. Hurley, Uday K. Patel, Philip S. Requejo, Bruce H. Dobkin, and V. Reggie Edgerton. Human lumbosacral spinal cord interprets loading during stepping. J. Neurophysiol. 77: 797–811, 1997. Studies suggest that the human lumbosacral spinal cord can generate steplike oscillating electromyographic (EMG) patterns, but it remains unclear to what degree these efferent patterns depend on the phasic peripheral sensory information associated with bilateral limb movements and loading. We examined the role of sensory information related to lower-extremity weight bearing in modulating the efferent motor patterns of spinal-cord-injured (SCI) subjects during manually assisted stepping on a treadmill. Four nonambulatory subjects, each with a chronic thoracic spinal cord injury, and two nondisabled subjects were studied. The level of loading, EMG patterns, and kinematics of the lower limbs …
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