What is Avascular Necrosis (AVN) of the Hip? Bones are living tissue, and like all living tissue they rely on blood vessels to bring blood to keep them alive. When disease or injury prevents the blood supply from flowing freely to a bone, cells in the bone begin to...
Rectus Femoris The rectus femoris muscle is one of the four quadriceps muscles that sits in the middle of the front of the thigh. The rectus femoris attaches from the pelvis to just below the knee (on the patellar tendon.) It is responsible for knee extension and hip...