Anterior compartment of thigh

The quadriceps femoris muscle (, also called the quadriceps extensor, quadriceps or quads) is a large muscle group that includes the four prevailing muscles on the front of the thigh. It is the sole extensor muscle of the knee, forming a large fleshy mass which covers the front and sides of the femur. The name derives .

muscle in the human body

Muscle in the quad

muscle

muscle

muscle of thigh

thigh muscle