Collapsed femoral heads caused by osteonecrosis—otherwise known as avascular necrosis— unfortunately represent the root cause for approximately 10% of all hip replacements nationwide.
The lateral collateral ligament (LCL) is a thin band of connective tissue that runs along the outside of the knee. It connects the femur to the fibula and stabilizes the knee, bracing it from unusual impact. However, injuries are common, particularly during contact sports.
Bone loss is a common finding amongst the elderly, occurring when either the body loses too much bone, makes too little bone, or both. This process leads to weakened bones, making a fracture easier to occur. In serious cases of bone loss, a broken hip bone can happen from something as simple as a sneeze.