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Abductor digiti minimi muscle of hand

In this article we will discuss about Abductor digiti minimi muscle of hand. So let’s get started.

Abductor digiti minimi muscle of hand

It originates from pisiform bone, pisohamate ligament and flexor retinaculum and gets inserted into the base of proximal phalanx of 5th digit on the ulnopalmar margin and the palmar plate of metacarpophalangeal joint. Some fibres gets inserted into the dorsal aponeurosis. It is innervated by the deep branch of ulnar nerve and artery supply is through the ulnar artery. It’s chief action is abduction of little finger at MCP joint and extension of middle phalanx of little finger.

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