👉 In the context of anatomy, a prosternum is an organ that serves as a support for the femur in the hip joint. It is also known as the "femur prosthesis" and is located on the outside of the hip bone, where it acts as a stabilizing element between the femur and tibia. The prosternum is composed of three bones: the ilium (the highest point of the pelvis), the pubic symphysis (which attaches