描述

Origin: Ulnar head: coronoid process of the ulna

Insertion: Radius

Artery: Ulnar artery and radial artery

Nerve: Median nerve

Action: Pronation of forearm, flexes elbow

Antagonist: Supinator muscle

Description:
The ulnar head is a thin fasciculus, which arises from the medial side of the coronoid process of the ulna, and joins the preceding at an acute angle.


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