Review Note

posterior (extensor) compartment of the forearm

compartment bounded at its anterior extent by the medial and lateral intermuscular septa, the radius, the ulna and the interosseous membrane; it is bounded posteriorly, laterally and medially by the antebrachial fascia

posterior compartment of the forearm contains extensor muscles of the hand and wrist (superficial group - brachioradialis m., extensor carpi radialis longus m., extensor carpi radialis brevis m., extensor digitorum m., extensor digiti minimi m., extensor carpi ulnaris m.; deep group - supinator m., abductor pollicis longus m., extensor pollicis brevis m., extensor pollicis longus m., extensor indicis m.); it contains the superficial and deep radial nn., the posterior interosseous artery and the radial artery