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. 1980 Jan;7(1):84-5.
doi: 10.1002/ana.410070116.

Undecussated innervation to the sternocleidomastoid muscle: a reinstatement

S Balagura, R G Katz

Undecussated innervation to the sternocleidomastoid muscle: a reinstatement

S Balagura et al. Ann Neurol. 1980 Jan.

Abstract

Clinical evidence is presented to support the contention that the sternocleidomastoid muscle is innervated primarily by undecussated fibers from the ipsilateral hemisphere. Stroke patients often show contralateral hemiparesis accompanied by weakness in head turning to the side of the paresis.

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