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This document was created by Alex Yartsev ([email protected]); if I have used your data or images and forgot to reference you, please email me. Fascia and compartments of the distal arm Section at the junction of distal third and proximal two thirds of the humerus Biceps brachii Musculocutaneous nerve Coracobrachialis Brachial artery Cephalic vein Lateral cutaneous nerve of forearm which has just branched off Median nerve from the MUSCULOCUTANEOUS nerve Brachialis Posterior cutaneous nerve of forearm which has just branched off Basilic vein from the RADIAL nerve Medial cutaneous nerve of forearm which arises Deep artery of the arm from the MEDIAL CORD of the brachial plexus Radial nerve Lateral head Medial head Ulnar nerve Long head Superior ulnar collateral artery Section at the level of the humeral epicondyles Triceps brachii Basilic vein Cephalic vein Brachial artery Radial nerve which has pierced the lateral intermuscular septum a little while ago, and now travels between brachialis and brachioradialis Median nerve Biceps brachii Brachioradialis Brachialis PRONATOR TERES which is important for a number of reasons: - - Forms the lateral border of the cubital fossa Innervated by the RADIAL NERVE Flexes the forearm, unlike the rest of the forearm extensor compartment Together with the Supinator, they are the only extensor compartment muscles which do not cross the wrist and cause no movement there Ulnar nerve Anconeus Triceps Brachii tendon Which is unimportant, and arguably useless. In fact some anatomists believe it to a rudimentary 4th triceps head. If it were missing, you would likely not notice.
