Inhibitory interactions in the system of functionally connected muscles of the shin in patients with the cerebral palsy

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Abstract

In 10 able-bodied individuals and 8 patients with the cerebral palsy reciprocal and non-reciprocal inhibitions of soleus motoneurones were investigated by means of the H-reflex conditioned by electrical stimulation of the tibialis and gastrocnemius medialis nerves, respectively. In normal individuals short- and long-latency periods of both reciprocal and non-reciprocal inhibitions were found. The cerebral palsy patients showed the increased inhibitory influence with more enhanced short-latency components of inhibition. A possible role of inhibitory systems in limitation of patologically activated antigravitant soleus motoneurones was discussed.

About the authors

I. N. Pleschinsky

Kazan State University; Republican rehabilitation center for disabled people from childhood

Author for correspondence.
Email: info@eco-vector.com
Russian Federation, Kazan; Kazan

G. G. Guselnikova

Kazan State University; Republican rehabilitation center for disabled people from childhood

Email: info@eco-vector.com
Russian Federation, Kazan; Kazan

R. H. Bikmullina

Kazan State University; Republican rehabilitation center for disabled people from childhood

Email: info@eco-vector.com
Russian Federation, Kazan; Kazan

Е. V. Novikova

Kazan State University; Republican rehabilitation center for disabled people from childhood

Email: info@eco-vector.com
Russian Federation, Kazan; Kazan

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2. Fig.1 Influence of conditioning stimulation of the PBM nerve on the H-response of BM in healthy (A), patients with cerebral palsy — without division into subgroups (B), patients with hyperkinetic (C) and spastic (D) forms of cerebral palsy.

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3. Fig. 2. The effect of the conditioning stimulation of the MIM nerve on the H-response of CM in healthy (A) patients with cerebral palsy — without subdivision (B), patients with hyperkinetic (C) and spastic (D) forms of cerebral palsy.

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Copyright (c) 2021 Pleschinsky I.N., Guselnikova G.G., Bikmullina R.H., Novikova Е.V.

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