new method for the activation of the locomotor circuitry in humans

We examined the possibility of initiation of involuntary stepping movements by spinal electromagnetic stimulation (SEMS) during leg suspension. The subject's legs were supported by a special apparatus in a gravity neutral position that to provide horizontal rotation in the hip, knee and ankle....

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Bibliographic Details
Published in:Human physiology 2010-11, Vol.36 (6), p.700-707
Main Authors: Gorodnichev, R. M, Machueva, E. N, Pivovarova, E. A, Semenov, D. V, Ivanov, S. M, Savokhin, A. A, Edgerton, V. R, Gerasimenko, Yu. P
Format: Article
Language:English
Subjects:
Activation
Biomedical and Life Sciences
Biomedicine
Bursting
electromagnetic stimulation
Gravitation
Human
Human Physiology
Legs
Life Sciences
locomotor movements
Movements
Scanning electron microscopy
Stimulation
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Summary:We examined the possibility of initiation of involuntary stepping movements by spinal electromagnetic stimulation (SEMS) during leg suspension. The subject's legs were supported by a special apparatus in a gravity neutral position that to provide horizontal rotation in the hip, knee and ankle. SEMS (3 Hz and 1.56 Tesla) over the T11-T12 vertebrae induced involuntary locomotor_like movements in the legs. The latency period from the initiation of stimulation to the first EMG burst was 0.68 1.0 s. Increasing the frequency of SEMS from 3 Hz to 20 Hz resulted in shortening of the latency period. Thus, SEMS is able to initiate involuntary stepping in humans.
ISSN:0362-1197
1608-3164
DOI:10.1134/S0362119710060113