Muscles of the lower limb (II) Dr. Sami Zaqout Muscles of the anterior (extensor) compartment of the leg Tibialis anterior muscle Extensor hallucis longus muscle Extensor digitorum longus muscle Peroneus tertius muscle Superior extensor retinaculum Inferior extensor retinaculum Anterior aspect of the ankle Tendon of tibialis anterior muscle Extensor hullucis longus muscle Deep peroneal nerve Anterior tibial vessels Tendon of extensor digitorum longus muscle Peroneus tertius muscle Muscles of the lateral (peroneal) compartment of the leg Peroneus longus muscle Peroneus brevis muscle Lateral malleolus Superior peroneal retinaculum Inferior peroneal retinaculum Peroneus brevis tendon Peroneus longus tendon Superficial muscles of the posterior (flexor) compartment of the leg Medial head of gastrocnemius muscle Lateral head of gastrocnemius muscle Calcaneal tendon Soleus muscle Plantaris muscle Tendon of the plantaris muscle Muscles that form the superficial boundaries of the popliteal fossa Popliteal fossa Biceps femoris muscle (superiolateral) Semitendinosus muscle (superiomedial) Semimembranosus muscle (superiomedial) Gastrocnemius muscle (inferiorly) Sciatic nerve Common peroneal nerve Tibial nerve Popliteal vein Popliteal artery Deep muscles of the posterior (flexor) compartment of the leg Popliteus muscle Tibialis posterior muscle Flexor digitorum longus muscle Flexor hallucis longus muscle Tendon of tibialis posterior muscle Tendon of flexor digitorum longus muscle Tibial nerve and posterior tibial vessels Tendon of flexor hallucis longus muscle First layer of plantar muscles Plantar aponeurosis Flexor digitorum brevis muscle Tendon of flexor digitorum brevis muscle Abductor digiti minimi muscle Abductor hallucis muscle Second layer of plantar muscles Quadratus plantae muscle Tendon of flexor digitorum longus muscle Lumbrical muscles Tendon of flexor hallucis longus muscle Third layer of plantar muscles Flexor hallucis brevis muscle Adductor hallucis muscle oblique head Adductor hallucis muscle transverse head Flexor digiti minimi muscle The interosseous muscles.