Triceps brachii muscle
Anconeus Muscle – Attachments, Action & Innervation
Attachments of Anconeus Muscle: Origin and Insertion
Origin (proximal attachment)
a. Lateral epicondyle of humerus.
Insertion (distal attachment)
a. Posterior olecranon process of ulna.
Actions of Anconeus on the arm (humerus):
a. Extends the forearm at the elbow.
Simplify upper limb muscle studies with this upper limb muscle anatomy reference chart.
Nerve to Anconeus muscle and its spinal segment:
Radial nerve (C7, C8).