Abductor hallucis
Feet
- Origin
- Inner process of the calcaneal tuberosity and the flexor retinaculum
- Insertion
- Inner side of the base of the proximal phalanx of the big toe
- Action
- Abducts and flexes the big toe; supports the arch
- Nerve supply
- Medial plantar nerve (S1–S3)
Runs along the inner edge of the sole. It moves the big toe away from the other toes and helps support the arch of the foot.
Abductor hallucis anatomy page →