Extensor carpi ulnaris Contents Anatomy pictures Extensor carpi ulnaris - posterior view Extensor carpi ulnaris - anterior view Extensor carpi ulnaris - medial view Referred pain pattern Extensor carpi ulnaris - pain pattern Symptoms Weakness in grip Muscle attachment zones Origin zone of extensor tendons (extensor carpi radialis brevis, extensor digitorum, extensor carpi ulnaris and extensor digiti minimi share a common tendinous origin) Videos Short version Detailed version Myofascial lines Superficial dorsal arm line Trapezius Deltoideus Lateral intermuscular septum Extensor group Extensor carpi radialis longus and brevis Extensor digitorum Extensor carpi ulnaris Extensor digiti minimi Anatomy Position Superficial Origin Lateral epicondyle humerus Posterior aspect of ulna Insertion Basis of 5.metacarpal, posterior side Main function Wrist Extension Ulnar deviation Secondary function Elbow Extension Nerve innervation Segmental C7-C8 Peripheral Nervus radialis Arterial supply Posterior interosseus artery
