Dorsal Layer Extensor digitorum brevis First Plantar Layer Most superficial of all the layers Muscles abductor hallucis flexor digitorum brevis (FDB) abductor digiti minimi Second Plantar Layer Muscles quadratus plantae lumbrical muscles Tendons flexor digitorum longus (FDL) flexor hallucis longus (FHL) Neurovascular structures medial and lateral plantar arteries Third Plantar Layer Muscles flexor hallucis brevis oblique and transverse heads of the adductor hallucis flexor digiti minimi brevis Fourth Plantar Layer Deepest layer Muscles dorsal interosseous plantar interosseus Tendons peroneus longus tibialis posterior both tendons travel to their insertion point via fibro-osseus tunnels