Adductor Pollicis

Description

Illustration of Adductor Pollicis

Origin

• Shaft of palmar surface of 3rd metacarpal

Insertion

• Base of proximal phalanx of 1st digit
• Note: partly superficial and partly deep to the thumb UCL

Actions

• Adduction of carpometacarpal joint of thumb and flexion of metacarpophalangeal joint

Vascular Supply

• Deep palmar arterial arch

Nerve

• Deep branch of ulnar nerve

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Clinical Significance

• Stener Lesion, a complication of UCL Thumb Injury

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See Also

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

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