At posterior end, below the neural arch, are pleurocentra. This element gave rise to the centrum in amniotes. At anterior end, below the notochord, is the intercentrum. Ichthyostegids (labyrinthodont ...

There are number of studies that show that the anterior shear force at the proximal end of the tibia is a major contributor to ACL loading, while there are valgus, varus and internal rotation moments ...