What are root values of nerve supplying muscle needed for latter pa of the following action?
Correct Answer: C5, C6, C7
Description: Serratus Anterior is responsible for the latter pa of abduction along with trapezius. The long thoracic nerve (Nerve of Bell) originates from the C5-C7 roots and descends in the axilla, posterior to the brachial plexus, to innervate the serratus anterior muscle.
Category:
Anatomy
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