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Biceps Brachii (Long Head)

Biceps Brachii

Description

Origin :

  • Long head: Supraglenoid tubercle of scapula.

Insertion :

  • Tuberosity of radius and fascia of forearm via bicipital aponeurosis.

Innervation :

  • Musculocutaneous nerve (C5 and C6 ).

Arterial Supply :

  • Muscular branches of brachial artery.

Depth :

  • Superficial

Action

Action :

  • Supinates forearm.
  • When supine (facing up), it flexes forearm.
Target Muscles Target MusclesSupinates forearm. When supine (facing up), it flexes forearm.