Muscle
Pronator teres
Pronates the forearm
High-yield
Median nerve passes between its humeral and ulnar heads — site of pronator teres syndrome.
Overview
A superficial anterior forearm muscle that pronates the forearm; the median nerve passes between its two heads.
Reference facts
- Origin
Humeral head: medial epicondyle (common flexor origin). Ulnar head: coronoid process of the ulna
- Insertion
Middle of the lateral surface of the radius
- Action
Pronates the forearm and assists elbow flexion
- Innervation
Median nerve (C6, C7)
- Blood supply
Ulnar and radial arteries