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Abductor Digiti Minimi Brevis

(see also: Plantar Muscles of the Foot, Innerv. Musc. Lower Limb)

  • Origin: the lateral process of the tuberosity of calcaneus.
  • Insertion: lateral side of the base of the proximal phalanx of the 5th toe.
  • Action: Spreads the 5th toe away from the 4th toe.
  • Nerve Supply: lateral plantar nerve, S1, S2