The Quadratus Plantae Origin, Insertion, Action
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
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: Branches of the posterior tibial artery
Primary Actions of the Quadratus Plantae
The quadratus plantae does not have a primary action
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Seconday Actions of the Quadratus Plantae
1. Assists flexion of the 2nd – 4th toes
The quadratus plantae muscle contributes to pain in the heel.
An excellent book for those beginning the study of anatomy. Coloring helps memory retention.
For intermediary anatomy students learning skeletal and muscle structure.
For beginning and intermediary anatomy . Muscle overlays on the human body. Excellent visuals!
