Short-latency autogenic inhibition (IB inhibition) in human spasticity.

Delwaide, PJ;Olivier, Etienne
(1988) Journal of Neurology, Neurosurgery and Psychiatry — Vol. 51, p. 1546-1550 (1988)

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  • Delwaide, PJUniversité de Liège
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  • Olivier, EtienneUCLouvain
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Abstract
The inhibitory effect of IB interneurons on motoneurons was tested in both legs of six hemiplegic adults. On the normal side, an inhibition of 10 ms, (14.6%) was observed in all cases and was similar to that described previously. On the spastic side, the same technique results in a facilitation of same duration reaching a maximum of 15%. Hence the IB inhibitory effect is, at least functionally, absent in spasticity. Disappearance of IB inhibition is an additional mechanism to be considered in interpreting spasticity.
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Delwaide, P., & Olivier, E. (1988). Short-latency autogenic inhibition (IB inhibition) in human spasticity. Journal of Neurology, Neurosurgery and Psychiatry, 51, 1546-1550. https://doi.org/10.1136/jnnp.51.12.1546 (Original work published 1988)