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Flexor digiti minimi brevis muscle

from Latin: digitus - finger; flectere - flex, bend
synonym: short little finger extensor
German: Musculus flexor digiti minimi brevis

1 Definition

The flexor digiti minimi brevis muscle is a short muscle that belongs to the hypothenar muscles of the hand and joins the abductor digiti minimi muscle form the radial side.

2 Devolution

2.1 Origin

The muscle has its origin at the hamulus of the hamate bone as well as the ligament structures of the flexor retinaculum.

2.2 Insertion

The short tendon of the muscle inserts at the ulnar side of the base of the proximal phalanx of the little finger (5th finger of the hand). Some fibers insert into the dorsal aponeurisis of the little finger from the lateral side.

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3 Innervation

The innervation of the flexor digiti minimi brevis is provided by the profound branch of the ulnar nerve from the brachial plexus (segments: C8 and Th1).

4 Function

The flexor digiti minimi brevis muscle is responsible for the flexion of the little finger in the proximal phalanx.

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Specialties: Anatomy

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