flexor digiti minimi brevis (muscle) of hand

flex·or di·gi·ti mi·ni·mi bre·vis (mus·cle) of hand

[TA]
hypothenar muscle of palm; origin, hook of hamate bone; insertion, medial side of proximal phalanx of little finger; action, flexes little finger at the metacarpophalangeal joint; nerve supply, deep branch of ulnar.
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