The pelvis is made up of 2 bones, joined at the front where the joint is called the pubic symphysis, and at the back it joins the sacrum (bottom of the spine) at the sacro-iliac joints. ...
The patella is a large Sesamoid bone – that is a bone which is found in a tendon. It acts as a pulley, allowing the quadriceps muscle to pull the knee straight, and as such it has enormous forces go through it. Because of this,...