Abductor Digiti Minimi of the foot

Authors
Affiliations

Nathaniel Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Schematic of 1st layer of Plantar Intrinsic Foot Muscles1 1: Abductor hallucis 2: Flexor digitorum brevis Abductor digiti minimi

Schematic of 1st layer of Plantar Intrinsic Foot Muscles1
1: Abductor hallucis
2: Flexor digitorum brevis
Abductor digiti minimi

1st Layer Intrinsic Plantar Foot Muscles1

1st Layer Intrinsic Plantar Foot Muscles1

Overview

Muscle Origin Insertion Innervation Action
Abductor digiti minimi (Foot) Plantar aponeurosis 5th metatarsal tuberosity S2 - S3 5th Toe: MTP Abduction
Arch support: Longitudinal arch support

Origin

  • Medial tubercle of calcaneal tuberosity1
  • Plantar aponeurosis1

Insertion

  • 5th toe (Base of proximal phalanx)1
  • 5th metatarsal at tuberosity1

Innervation

Lateral Plantar N. (S1, S2, S3)1

Action

  • 5th MTP: Flexion, ABD1
  • Longitudinal Arch: Support1

MMT

1.
Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.

Citation

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