Aside from the bones which make up the ankle joint, the tibia and fibula have distinct sections which make up the ankle: The Mayo Classification categorises olecranon fractures based upon stability, displacement, and whether the fracture is comminuted: A Maisonneuve fracture is often misdiagnosed to be a sprained ankle since https://www.theorthopaedicandpainpractice.com/what-is-an-olecranon-fracture-2/