085 Origin, Insertion, and Action of Serratus Anterior

Leslie Samuel introduces the serratus anterior muscle, explaining its name origin, origin and insertion points, and its actions. The muscle originates from the external surfaces of ribs 1-8 or 9 and inserts on the anterior surface of the medial border of the scapula. Its actions include stabilizing the scapula, protracting it, and assisting in upward rotation. The video concludes with a review and directs viewers to additional resources on Interactive-Biology.com.

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