92 Flexor carpi ulnaris
Origin:
Humeral head - Medial epicondyle of humerus (common flexor origin)
Ulnar head - Olecranon and posterior border of ulna (via aponeurosis)
Insertion:
Pisiform, hook of hamate, 5th metacarpal
Blood Supply:
Posterior ulnar recurrent artery
Innervation:
Ulnar nerve (C7, C8)
Main Action:
Flexes and adducts hand (at wrist)