Quadratus Plantae: The quadratus plantae is a foot muscle that extends from front of the calcaneus to the digitorum longus muscle tendon. It supports the flexor digitorum longus with toe flexing.
Diabetic polyneuropathy may provoke pain and tingling sensation in the muscle.
Origin: Medial and lateral calcaneus
Insertion: Flexor digitorum longus muscle tendon
Function: Helps flex distal phalanges
Nerve Supply: Lateral plantar nerve
