abductor digiti minimi manus

Introduction

Superficial hypothenar muscle of the palm.

Origin

pisiform bone & pisohamate ligament

Insertion

• medial side of the base of the proximal phalanx of the 5th finger

Action

abducts & flexes 5th finger

Innervation

deep branch of the ulnar nerve

More general terms

• skeletal muscle (voluntary muscle)