Biceps Brachii

Biceps brachii Commonly known as the biceps is a two-headed muscle that lies on the upper arm between the shoulder and the elbow. It is a large muscle. The biceps brachii muscle is one of the chief and prominent muscles of the arm.


Origin: 

Biceps brachii has two head. Short head originates from the tip of coracoid process of scapula; Long head originates from supraglenoid tubercle of scapula.

Insertion:

It is Inserted at Tuberosity of radius and fascia of forearm via bicipital aponeurosis.

Action: 

Supinates forearm and, when it is supine, flexes the forearm

Nerve Supply: 

Biceps brachii supplied by Musculocutaneous nerve (C5 and C6 ).

Arterial Supply:

Muscular branches of the brachial artery.

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