What Is a Foot Sprain? A sprain occurs when you stretch or tear a ligament, the tissue in your joints that connects two bones. Your foot is packed with bones, joints, and ligaments, so there are ...

(a–c) Intra-articular tissue remodeling of the intra-articular graft. (d–f) Graft–bone integration of the interface between graft and bone. (a, d) The early healing stage, which is mainly accompanied ...