MORE VIDEOS
Explore more

Quadratus Plantae

Region: Leg & Foot Muscles · All leg & foot muscles

Quadratus Plantae muscle anatomy illustration — origin, insertion, action and nerve supply
Quadratus Plantae muscle, highlighted in red. Quadratus Plantae muscle anatomy at MedicalVideos.com

Quadratus Plantae at a glance

OriginMedial and plantar surfaces of the calcaneus
InsertionTendon of flexor digitorum longus
ActionsStraightens the pull of the long toe flexor so the toes curl in line
Nerve supplyLateral plantar nerve (S2–S3)

◆ Good to know

Because flexor digitorum longus approaches the toes diagonally, this small square muscle corrects its line of pull — sometimes called the flexor accessorius.

More Leg & Foot Muscles

Abductor Digiti Minimi (Foot)Abductor HallucisAchilles Tendon Muscles (Plantaris and Triceps Surae)Adductor HallucisAnterior Compartment of the Leg (Group)Deep Posterior Compartment of the Leg (Group)Dorsal Foot Muscles (Extensor Digitorum and Hallucis Brevis)Dorsal Interossei (Foot)
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.