Name

# Quadratus Plantae

Pronunciation

(kwod-RA-tus plan-tae)

Origin/Proximal Attachment

Medial Head: medial calcaneus Lateral Head: lateral calcaneus & long plantar ligament

Insertion/Distal Attachment

Lateral margins of flexor digitorum longus, may send slips into the distal tendons

Action/Relevance

Assists FDL to flex the distal phalanges of 2nd-5th toesCorrects FDL from pulling toes medially

Innervation

Lateral plantar nerve (S1, 2)

Notes

Muscle for flexion of the toes. Origin: calcaneus and plantar aponeurosis. Insertion: flexor digitorum longus tendon.