Medial gastrocnemius is more activated than lateral gastrocnemius in sural nerve induced reflexes during human gait |
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Authors: | J Duysens BM van Wezel T Prokop W Berger |
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Affiliation: | Department of Medical Physics and Biophysics, University of Nijmegen, The Netherlands. |
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Abstract: | In humans the sural nerve was stimulated at one of 16 phases of the step cycle. In MG (medial gastrocnemius) the amplitude of the P2 responses (latency 80-93 ms) was on average 1.3 times larger than the corresponding background activity while this was 0.9 for LG (lateral gastrocnemius; predominantly suppressive responses). It is speculated that such differences contribute to an exorotation moment during gait. |
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