The serratus anterior muscle is innervated by (the)________.

Question

Quizplus · Accepted Answer

The serratus anterior muscle is innervated by the long thoracic nerve, which arises from the roots of the cervical plexus (C5-C7). The accessory nerve (CN XI) innervates the trapezius and sternocleidomastoid muscles, the dorsal scapular nerve (C4-C5) innervates the rhomboid muscles, and cervical nerves innervate various muscles in the neck region. Therefore, the correct answer is D) long thoracic nerve.

The Serratus Anterior Muscle Is Innervated by (The)________