The anatomy on the region is significant when considering fractures in the proximal femur. Blood offer with the femoral head is derived from vessels within the hip capsule. There's two resources of blood supply: the trochanteric and cruciate anastomoses 1. Insufficiency fractures in subtrochanteric region due to long-lasting bisphosphonate use are https://www.theorthopaedicandpainpractice.com/proximal-femur-fractures-neck-of-femur-and-intertrochanteric/