Reversal of hypertonic co-contraction after bilateral pallidal stimulation in generalised dystonia: a clinical and electromyogram case study

Liu, X., Tailor, J., Wang, S., Yianni, J., Stein, J. and Aziz, T.Z. (2004) Reversal of hypertonic co-contraction after bilateral pallidal stimulation in generalised dystonia: a clinical and electromyogram case study. Movement Disorders, 19 (3), 336-340. (doi:10.1002/mds.10655).

Abstract

In a patient of generalised dystonia treated with bilateral pallidal stimulation, serial surface EMGs recorded from the neck muscles during alternating head movements revealed progressive reduction in hypertonic activity and reversal of co-contraction to reciprocal contraction, which preceded clinical improvement.

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