Main Model
82 Anconeus
Origin:
Posterior surface of lateral epicondyle of humerus
Insertion:
Lateral surface of olecranon and superior part of posterior surface of ulna
Blood Supply:
Deep brachial artery
Innervation:
Radial nerve (C7, C8, T1)
Main Action:
Assists triceps in extending forearm; stabilizes elbow joint; may abduct ulna during pronation