The Superficial Front Arm Line begins on the sternum, clavicle and ribs at the origin of the pectoralis major muscle. Although the latissimus dorsi comes from the back of the body, it is a part of the Superficial Front Line due to its anatomical and functional relationship to the pectoralis major. The latissimus dorsi inserts on the medial bicipital groove and along with the pectoralis major connect here to the medial intermuscular septum along the humerus. The intermuscular septum then is continuous with the common flexor tendons that originate at the medial epicondyle of the ulna. Finally, the Superficial Front Arm Line passes through the carpal tunnel and ends in the insertion into the palmar surface of the fingers.