Muscle, the little finger
Muscle, distending the little finger , m. Abductor digiti minimi, occupies the most medial position of all the muscles of this group, located directly under the skin and partially under the short palmar muscle. The muscle originates from the pea, the tendon m. Flexoris carpi ulnaris and flexor retainer, is attached to the ulnar margin of the base of the proximal phalanx of the little finger.
Function: withdraws the little finger and takes part in flexing its proximal phalanx.
Innervation: n. Ulnaris [(CVII) CVIII-ThI].
Blood supply: r. Palmaris profundus a. Ulnaris.
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