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Reciprocal inhibition in cerebral palsy

1990; Lippincott Williams & Wilkins; Volume: 40; Issue: 4 Linguagem: Inglês

10.1212/wnl.40.4.653

1526-632X

David Berbrayer, P. Ashby,

Muscle activation and electromyography studies

We studied reciprocal inhibition by recording the changes in firing probability of single motor units of the tibialis anterior muscle following stimulation of low-threshold afferents in the posterior tibial nerve. In 15 patients with cerebral palsy, the inhibition was as great or greater than normal. We found no evidence that group I afferents produce "reciprocal facilitation" in cerebral palsy.