Main Model
91 Palmaris longus
Origin:
Medial epicondyle of humerus (common flexor origin)
Insertion:
Distal half of flexor retinaculum and apex of palmar aponeurosis
Blood Supply:
Posterior ulnar recurrent artery
Innervation:
Median nerve (C7, C8)
Main Action:
Flexes hand (at wrist) and tenses palmar aponeurosis