Home / Triceps Brachii − Long Head

Triceps Brachii − Long Head

Description

Origin :

  • Long head: Infraglenoid tubercle of scapula.

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.
  • Long head steadies head of abducted humerus.
Target Muscles Target Muscles