Opponens Digiti Minimi Muscle

Description

Hypothenar muscles

Name

• Opponens Digiti Minimi
• Opponens Digiti Quinti
• Opponens digiti minimi manus
• Opponens muscle of the little finger
• Little finger opponens muscle
• ODM muscle

General

• Intrinsic muscle of the hand which opposes the 1st and 5th digit
• Part of the hypothenar muscles group

Origin

• Hook of Hamate
• Flexor Retinaculum

Insertion

• Ulnar aspect of 5th metacarpal

Actions

• Flexion and lateral rotation of digit 5 at the carpometacarpal joint
• Opposition of digit 5 with digit 1

Vascular Supply

• Ulnar Artery (Deep Palmar Branch)
• Deep Palmar Arch

Innervation

• Ulnar Nerve (Deep Branch, C8-T1)

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Clinical Significance

Pathology

• Ulnar Neuropathy

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See Also

• Physical Exam Hand
• Hand And Wrist Anatomy
• Hand Pain (Main)
• Wrist Pain (Main)

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