Foot/Ankle-Plantar Fasciitis Full-size solid cast of ankle and foot bones features the plantar calcaneonavicular ligament with plantar fasciitis. Foot/ankle anatomy also includes: tibia, fibula, calcaneus, calcaneal tendon, deltoid ligament, lateral ligament, plantar aponeurosis, cuneiform, phalanges, cuboid, navicular, and metatarsal bones. 9" x 2-3/4" x 4".