Cross sections of right foot

Oblique section through ankle joint and subtalar joint

For permissions information regarding the use of these images, please contact Drew Bourn at dbourn@stanford.edu

Image #205-4

Cross sections of right foot Oblique section through ankle joint and subtalar joint The plane of this section passes obliquely upward and forward from the heel to transect the dorsum of the foot through the anterior part of the trochlea of the talus. 1 . Inferior extensor retinaculum 2 . Extensor digitorum longus muscle (tendon within synovial sheath) 3 . Trochlea of talus (pointer on superior surface) 4 . Lateral malleolar surface of trochlea of talus 5 . Lateral malleolus 6 . Subtalar articular space 7 . Posterior talofibular ligament 8 . Fossa of lateral malleolus of fibula 9 . Peroneus brevis muscle (tendon within synovial sheath) 10 . Peroneus longus muscle (tendon within synovial sheath) 11 . Calcaneofibular ligament 12 . Tuberosity of calcaneus 13 . Extensor hallucis longus muscle (tendon and muscle) 14 . Tibialis anterior muscle (tendon and muscle) 15 . Surface of medial malleolar trochlea of talus 16 . Deltoid ligament 17 . Medial malleolus 18 . Posterior tibiotalar part of deltoid ligament 19 . Tibialis posterior muscle (tendon within synovial sheath) 20 . Upper pointer: Flexor digitorum longus muscle (tendon within synovial sheath) Lower pointer: Flexor hallucis longus muscle (tendon within synovial sheath) 21 . Upper pointer: Medial plantar nerve Lower pointer: Lateral plantar nerve 22 . Posterior tibial artery 23 . Abductor hallucis muscle (origin)