The head of the femur articulates with the acetabulum in the pelvic bone forming the hip joint, while the distal part of the femur articulates with thetibia and patella forming the knee joint. By most measures the femur is the strongest bone in the body. The femur is also the longest bone in the body.
The longest bone of the body is called femur. It is found on the hip which is very close to the waist. It is one of the two major bones that are found on the leg.