Summary Extensor Carpi Radialis Longus Origin Lateral supracondylar ridge of humerus Insertion Base of 2nd metacarpal Action Wrist extension and wrist abduction (radial deviation) Innervation Radial nerve (C6,C7) Arterial Supply Radial artery
Extensor Carpi Radialis Longus summary OBC What is the origin? Origin Lateral supracondylar ridge of humerus Show Bullets