Opponens digiti minimi muscle of foot

Musculus opponens digiti minimi pedis

  • Related terms: Opponens digiti minimi of foot

Definition

Origin: Occasionally split off from the flexor digiti minimi brevis

Insertion: Distal half of 5th metatarsal

Origin : base of 5th metatarsal bone, long plantar ligament

Insertion: Lateral surface of 5th metatarsal bone

Action: Opposition of 5th toe at 5th metatarsophalangeal joint

Innervation: Lateral plantar nerve (S2 - S3)

Blood supply: Lateral plantar artery

Description: Occasionally a few of the deeper fibers of the Flexor digiti minimi of foot are inserted into the lateral part of the distal half of the fifth metatarsal bone; these are described by some as a distinct muscle termed the Opponens digiti minimi of foot (Opponens digiti quinti.).

References

Text by Antoine Micheau, MD - Copyright IMAIOS

This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).

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