Name of test


What it tests



Long thoracic nerve


Serratus anterior muscle


C5, C6, C7 myotomes

How to do it



Patient pushes against wall with outstretched arm.

The normal response


What it means if not normal



Scapular winging is observed as a protrusion of the inferior angle of the scapula.

Comments



The serratus anterior muscle is innervated by the long thoracic nerve (C5, C6, C7).

Citations





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Figures