APPLIED RADIOLOGICAL ANATOMY

Detailed explanation-1: -Rectus femoris: This muscle has two heads, originating at your hip bone and pelvis. It stretches down to your knee cap. It’s the only quad muscle that spans the hip joint and knee joint. Vastus intermedius: This muscle lies in the middle of your thigh, beneath the rectus femoris.

Detailed explanation-2: -Abstract. Purpose: The quadriceps femoris has been described as a muscle composed by four heads: rectus femoris, vastus lateralis, vastus medialis and vastus intermedius. Each head fuse with the other ones making up the quadriceps tendon, which inserts into the patella.

Detailed explanation-3: -But your quadriceps femoris is actually a group of four muscles located at the front of your thigh. In fact, that’s how it got its name. Quadriceps is the Latin word for “four-headed.” Your quadriceps are some of the largest and strongest muscles in your body.

Detailed explanation-4: -Rectus femoris. Vastus lateralis. Vastus medialis. Vastus intermedius (see links for further elaboration)