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Fascial compartments of arm
From Wikipedia, the free encyclopedia
On the human body, the limbs can be divided into segments, such as the arm and the forearm of the upper limb, and the thigh and the leg of the lower limb. If these segments are cut transversely, it is apparent that they are divided into multiple sections. These are called fascial compartments, and are formed by tough connective tissue septa. The (upper) arm is divided into two compartments by the lateral intermuscular septum and the medial intermuscular septum: anterior and posterior.
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It contains the Biceps brachii muscle, Brachialis muscle, and Coracobrachialis muscle.
It is supplied by the musculocutaneous nerve[1] and brachial artery.
It contains the Triceps brachii muscle.
It is supplied by the radial nerve and profunda brachii.
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| Arm |
Clavipectoral triangle • spaces (Quadrangular space, Triangular space, Triangular interval) • Axilla • Axillary sheath • Anterior axillary fold • compartment of arm (Posterior, Anterior) • intermuscular septa (Lateral, Medial) • fascia (Axillary, Brachial) |
| Forearm |
Cubital fossa (Bicipital aponeurosis) • common tendons (Extensor, Flexor) • Interosseous membrane of the forearm • compartment of forearm (Posterior, Anterior) • Carpal tunnel • fascia (Antebrachial fascia) |
| Hand |
Anatomical snuff box • reticula of the hand (Extensor, Flexor) • Finger • Extensor expansion • Palmar aponeurosis |