abductor hallucis longus

Introduction

Muscle of the 3rd layer of plantar muscles of the foot.

Origin

• medial process of the calcaneal tuberosity
• flexor retinaculum
• plantar aponeurosis

Insertion

• medial side of the proximal phalanx of the 1st (great) toe

Action

abducts 1st (great) toe

Innervation

medial plantar nerve

More general terms

• skeletal muscle (voluntary muscle)