Revision 6 for 'Abductor digiti minimi (foot)'

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Abductor digiti minimi muscle

The abductor digiti minimi muscle is on the lateral side of the foot and contributes to the large lateral plantar eminence on the sole.

Summary

  • origin: lateral and medial processes of calcaneal tuberosity, and band of connective tissue connecting calcaneus with base of metatarsal V
  • insertion: lateral side of base of proximal phalanx of little toe
  • action: abducts little toe at the metatarsophalangeal joint
  • arterial supplylateral plantar artery
  • innervation: lateral plantar nerve from the tibial nerve

Related pathology

The abductor digiti minimi muscle is involved in Baxter neuropathy.

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