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Estimation of mass apparent density and Young’s modulus of femoral neck-head region
Published in Journal of Medical Engineering & Technology, 2020
Rahul A. Gujar, Hemant N. Warhatkar
The femur is the longest, largest and strongest bone in the body as shown in Figure 1. It spans from the hip joint, where it articulates with the pelvis, to the knee joint, where it articulates with the tibia and patella. The femur broadly consists of proximal and distal extremities joined by an almost cylindrical shaft. For hip fracture research purposes, we are mainly interested in the proximal femur, encompassing the proximal (superior) extremity and the top portion of the shaft. The most proximal portion of the femur is the femoral head, a spheroidal section of bone covered with cartilage that slides against the acetabulum in the pelvis. The femoral neck is a longitudinally concave cylinder that connects the femoral head to the shaft. The greater trochanter (GT) is a large protuberance that forms the most lateral and palpable portion of the femur. It serves as the point of attachment for several muscles that connect the femur to the pelvic bone. The lesser trochanter is a smaller feature protruding from the posteromedial shaft, just inferior to the GT.