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Abductor Digiti Minimi Muscle Anatomy: Origin, Insertion, Action, Innervation

(Last Updated On: August 10, 2018)
Abductor Digiti Minimi Origin, Insertion, Action, Innervation

Muscle Anatomy of the Abductor Digiti Minimi

Origin: Medial and lateral tubercles of the calcaneus, the plantar aponeurosis and the intermuscular septum between it and flexor digitorum brevis
Insertion: Lateral side of the base of the proximal phalanx of the fifth toe
Action: Abduction of the fifth toe, assists with flexion of the fifth toe
Innervation: Lateral plantar nerve (S1, 2, 3)
Blood Supply: Lateral plantar artery

Muscle Anatomy: Abductor Digiti Minimi Actions

Primary Actions of the Abductor Digiti Minimi

1. Abduction of the fifth toe at the metatarsophalangeal joint

  Agonists:

  • None

  Antagonists:

  • Third Plantar Interosseous

Secondary Actions of the Abductor Digiti Minimi:

1. Assists with flexion of the fifth toe at the metatarsophalangeal joint

  Agonists:

  • Flexor Digitorum Brevis
  • Flexor Digitorum Longus
  • Third Plantar Interosseous

  Antagonists:

  • Extensor Digitorum Longus

 

Information about cause and effect of abductor digiti minimi muscle pain:

Abductor Digiti Minimi Muscle: Heel and Ankle Pain

Anatomy Coloring Book

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Human Foot and Ankle Anatomy

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Muscle Anatomy Flashcards

Musculoskeletal Anatomy Flashcards Are you a student or professional therapist who needs to brush up on the musculoskeletal system? Dr. Joseph E. Muscolino DC has developed a comprehensive set of flashcards that will help develop a mind's picture of exactly where the muscles lie under the skin. A highly recommended study aid for students. Great for non students who want an easy comprehensive anatomy guide.

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