Abductor digiti minimi (hand)

Abductor Digiti Minimi (Hand)

The Abductor Digiti Minimi (pronounced: ab-DUK-tor DIJ-ih-tee MIN-ih-mee) is a muscle in the hand that controls the movement of the little finger. The term originates from Latin, with "abductor" meaning 'to lead away from', "digiti" meaning 'of the finger', and "minimi" meaning 'smallest'.

Function

The primary function of the Abductor Digiti Minimi is to abduct the little finger. In simpler terms, it allows the little finger to move away from the rest of the fingers. This muscle plays a crucial role in hand dexterity and grip strength.

Anatomy

The Abductor Digiti Minimi is located on the ulnar side of the hand, originating from the pisiform bone and attaching to the proximal phalanx of the little finger. It is innervated by the Ulnar Nerve and receives its blood supply from the Ulnar Artery.

Related Terms

• Abductor Pollicis Longus: A muscle in the forearm that abducts the thumb.
• Flexor Digiti Minimi Brevis (Hand): A muscle in the hand that flexes the little finger.
• Opponens Digiti Minimi: A muscle in the hand that opposes the little finger.

See Also

• Hand Anatomy
• Muscular System
• Ulnar Nerve
• Ulnar Artery

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