ANTERIOR COMPARTMENT OF ARM & CUBITAL FOSSA. By Dr Samina Anjum. FASCIAL COMPARTMENTS OF THE UPPER ARM. Deep fascia. CONTENTS OF ANTERIOR FASCIAL COMPARTMENT. Muscles Blood vessels Nerves Structures passing through the compartment. MUSCLES OF ANTERIOR COMPARTMENT.
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Dr Samina Anjum
Origin, insertion, N.S & Action
Flexed arm in the pronated position (left); with the biceps partially contracted and in a supinated position with the biceps more fully contracted, approaching minimum length (right.)
Anteriorly: Superficial in the upper part, overlapped laterally by coracobrachialis and biceps.
Posteriorly: Triceps, coracobrachialis, brachialis
` Laterally: Upper part: Median nerve, coracobrachialis and biceps.
Lower part: tendon of biceps
Medially: Upper part: ulnar nerve, basilic vein
Lower part: Median nerve
Course in arm
Vasomotor branches to brachial artery
Course in arm: pierces the medial intermuscular septum and passes behind the medial epicondyle
Course: in posterior the compartment of arm and enters the anterior compartment just above the lateral epicondyle by piercing the lateral intermuscular septum