Muscle Atlas

Flexor Carpi Ulnaris

Origin: Humeral head: medial epicondyle of humerus; Ulnar head: olecranon and posterior border of ulna
Insertion: Pisiform bone, hook of hamate bone, and 5th metacarpal bone
Action: Flexes and adducts hand (at wrist)
Innervation: Ulnar nerve (C7 and C8)
Arterial Supply: Ulnar artery

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