The periosteum, endosteum, and Haversian canals would be the sources of pluripotent mesenchymal stem cells that initiate the formation of the healing tissues. The bridging callus noticed on radiographs largely occurs in the periosteum. Physiotherapy: physiotherapy will involve gentle and therapeutic workouts that will help restore strength, adaptability, and selection https://www.theorthopaedicandpainpractice.com/what-is-a-long-bone-fracture/