Abductor Digiti Minimi (Foot)

Original Editor - Nikhil Benhur Abburi

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Description[edit | edit source]

[1]Abductor digiti minimi

It is a small muscle of the foot situated on the lateral border of the foot. it is homologous to abductor digiti minimi of hand.

Origin[edit | edit source]

Lateral and medial processes of Calcaneal tuberosity, plantar aponeurosis, intermuscular septum

Insertion[edit | edit source]

Lateral side of base of proximal phalanx of fifth toe

Nerve[edit | edit source]

Lateral plantar nerve(S1-S3) from tibial nerve

Artery[edit | edit source]

Supplied by the Lateral plantar artery

Function[edit | edit source]

Abducts little toe at metatarsophalangeal joint


Clinical relevance[edit | edit source]

In rare conditions, the muscle may be bifid, the additional belly can be used as a flap in reconstructive surgery of the foot, it may be symptomatic only in cases of entrapment[3]

Resources[edit | edit source]

  1. https://commons.wikimedia.org/wiki/File:Abductor_digiti_minimi_(foot).png
  2. Kenhub - Learn Human Anatomy. Functions of the lateral plantar muscles of the foot (preview) - Human 3D Anatomy | Kenhub. Available from: https://www.youtube.com/watch?v=DcX2xZ9QIHg [last accessed 31/3/2020]
  3. Sa Das, Rakesh suri, V Kapur Clinical importance of bifid Abductor Digiti Minimi muscle of the foot. Research Gate June 2003

Resources[edit | edit source]