and fibula in the lower limb with the proximal end of the talus. the articulation between the tibia and the talus bears more weight than between the smaller fibula and the talus.plan of ossification of the tibia. from three centers.epiphysial lines of tibia and fibula in a young adult. anterior aspect. development the tibia is ossified from three centers: a primary center for the diaphysis (shaft) and a secondary center for each epiphysis (extremity). ossification begins in the center of the body, about the seventh week of fetal life, and gradually extends toward the extremities. the center for the upper epiphysis appears before or shortly after birth at close to 34 weeks gestation; it is flattened in form, and has a thin tongue-shaped process in front, which forms the tuberosity; that for the lower epiphysis appears in the second year. the lower epiphysis fuses with the tibial shaft at about the eighteenth, and the upper one fuses about the twentieth year. two additional centers occasionally exist, one for the tongue-shaped process of the upper epiphysis, which forms the tuberosity, and one for the medial malleolus. function muscle attachments muscledirectionattachment tensor fasciae latae muscleinsertiongerdy's tubercle quadriceps femoris muscleinsertiontuberosity of the tibia sartorius muscleinsertionpes anserinus gracilis muscleinsertionpes anserinus semitendinosus muscleinsertionpes anserinus horizontal head of the semimembranosus muscleinsertionmedial condyle popliteus muscleinsertionposterior side of the tibia over the soleal line tibialis anterior muscleoriginlateral side of the tibia extensor digitorum longus muscleoriginlateral condyle soleus muscleoriginposterior side of the tibia under the soleal line flexor digitorum longus muscleoriginposterior side of the tibia under the soleal line strength the tibia has been modeled as taking an axial force during walking that is up to 4.7 bodyweight. its bending moment in the sagittal plane in the late stance phase is up to 71.6 bodyweight times millimetre. clinical significance fracture fractures of the tibia can be divided into those that only involve the tibia; bumper fracture, segond fracture, gosselin fracture, toddler's fracture, and those including both the tibia and fibula; trimalleolar fracture, bimalleolar fracture, pott's fracture. society and culture in judaism, the tibia, or shankbone, of a goat or sheep is used in the passover seder plate. other animals the structure of the tibia in most other tetrapods is essentially similar to that in humans. the tuberosity of the tibia, a crest to which the patellar ligament attaches in mammals, is instead the point for the tendon of the quadriceps muscle in reptiles, birds, and amphibians, which have no patella. additional images shape of right tibia 3d image longitudinal section of tibia showing interior right knee-joint. anterior view. right knee joint from the front, showing interior ligaments left knee joint from behind, showing interior ligaments left talocrural joint coronal section through right talocrural and talocalcaneal joints dorsum of foot. ankle joint. deep dissection dorsum of foot. ankle joint. deep dissection ankle joint. deep dissection. anterior view bones of the right leg. anterior surface bones of the right leg. posterior surface dorsum of foot. ankle joint. deep dissection. ankle joint. deep dissection. ankle joint. deep dissection. ankle joint. deep dissection. ankle joint. deep dissection.