Abductor Digiti Minimi Muscle Anatomy: Origin, Insertion, Action, Innervation
(Last Updated On: August 10, 2018)
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:
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Twelve years of experience working with clients with chronic pain, post injury pain, and post surgery pain. Muscle dysfunction is often overlooked but can hold the key to many pain conditions.
