Pronator Teres Muscle
Attachments of Pronator Teres Muscle: Origin and Insertion
Origin (proximal attachments):
a. Humoral head – medial epicondyle of humerus & distal supracondylar ridge
b. Ulnar head – medial side of coronoid process of ulna.
Insertion (distal attachment):
a. Middle of lateral surface of radius.
Actions of Pronator Teres Muscle
a. Pronates the forearm at the elbow.
b. Flexes the forearm at the elbow.
Nerve to Pronator Teres muscle and its spinal segment:
a. Median nerve (C6, C7).