Quadratus Plantae Origin, Insertion, Action

Image of human skeletal foot showing the origin and insertion of the quadratus plantae.

Table of Contents

Quadratus Plantae Origin, Insertion, Action
Primary Actions of the Quadratus Plantae
Secondary Actions of the Quadratus Plantae

Origin: Lateral head: attaches to the lateral side of the calcaneus and to the long plantar ligament
Medial Head: attaches to the medial surface of the calcaneus

Insertion: Attaches into the dorsal and plantar surface of the tendons of the flexor digitorum longus.

Actions: Assists with flexion of the four small toes

Innervation: Lateral plantar nerve (S1, S2, S3)

Blood Supply: Medial and lateral plantar arteries, deep plantar arterial arch

If you are looking for pain and symptoms information, please visit the Quadratus plantae pain page

Primary Actions of the Quadratus Plantae

1. The quadratus plantae is not a prime mover

Secondary Actions of the Quadratus Plantae

1. Assists flexion of the 2^nd, 3^rd, and 4^th toes

References:

Clay, J. H., Allen, L., Pounds, D. (2015). Clay & Pounds' Basic Clinical Massage Therapy: Integrating Anatomy and Treatment (3rd ed.). Philadelphia, PA: Lippincott Williams & Wilkins

Netter, F. (2014). Atlas of Human Anatomy (6th ed.). Philadelphia, PA: Saunders.

Muscolino, J., (2016) Kinesiology: The Skeletal System and Muscle Function (3rd ed.). Maryland Heights, Missouri: Mosby.

Image Credits: Dreamstime

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