Posterior arm


This the the posterior compartment of the arm which is divided from the anterior compartment by the medial and lateral intermuscular septa. It has the following

Arteries : Profunda brachii, from the  brachial artery and the radial collateral artery, which is a terminal branch of profunda brachii

Veins: Brachial veins


bullet Radial nerve and its branches

Nerve to long head of triceps brachii


Nerve to medial head of triceps brachii


Nerve to lateral head of triceps brachii


Nerve to anconeus


Lower lateral cutaneous nerve of arm


Posterior cutaneous nerve of arm


Muscles: Triceps brachii

Bone: Humerus


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 Practical: Living anatomy
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Elementary dissector Advanced dissector



Posterior arm locator Arm rotator Posterior arm assembler

There is nothing in anatomy not found in this website

Electronic School of Medicine
Creator: Oluwole Ogunranti

Posterior arm regional video     Arm layers  links    Electronic dissector    Structure locator


Muscles of arm

Posterior arm locator; roll over mouse to label; click to display layer.
Layers 1- skin; 2- fasciae, 3- muscles 1, 4 -muscles II 5- deepest, 6- bones.




Lymph drainage
Clinical anatomy
Clinical examination
Injuries to shoulder joint
Injuries to elbow joint

Humerus injuries
See body map

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