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Triceps Brachii (Short / Lateral Head)

Triceps Lateral

Description

Origin :

  • Short head: Posterior surface of humerus, superior to radial groove.

Insertion :

  • Proximal end of olecranon process of ulna and fascia of forearm.

Innervation :

  • Radial nerve (C6, C7 and C8).

Arterial Supply :

  • Branches of deep brachial artery.

Depth :

  • Superficial

Action

Action :

  • Chief extensor of forearm.
Target Muscles Target MusclesChief extensor of forearm.