The vastus intermedius muscle is located along the upper portion of the femur, which is also known as the thighbone. This muscle covers the front part of the femur and the side of the femur. It is ...

The quadriceps, or quads, are a group of four muscles on the front of the thigh. They are some of the largest and strongest muscles in the body. The quad muscles allow a person to stand, walk, run, ...