The Abductor Digiti Minimi Origin, Insertion, Action
Origin: Medial and lateral tubercles of the calcaneus, the plantar aponeurosis, and the intermuscular septum
Insertion: Lateral side of the base of the proximal phalanx of the fifth toe
Actions: Abduction of the fifth toe
Innervation: Lateral plantar nerve (S1, S2, S3)
Blood Supply: Lateral plantar artery
Primary Actions of the Abductor Digiti Minimi
1. Abduction of the fifth toe at the metatarsophalangeal joint
Agonists: none
Antagonist: Third Plantar Interosseous
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Secondary Actions of the Abductor Digiti Minimi
2. Assists with flexion of the fifth toe at the metatarsophalangeal joint
Agonists:
Agonists:
- Fexor Digitorum Brevis
- Flexor Digitorum Longus
- Third Plantar Interosseous
Antagonist: Extensor Digitorum Longus
For Pain and Symptom Information See: Abductor Digiti Minimi Muscle: Heel and Ankle Pain
An excellent book for those beginning the study of anatomy. Coloring helps memory retention.
For intermediary anatomy students learning skeletal and muscle structure.
For beginning and intermediary anatomy . Muscle overlays on the human body. Excellent visuals!
