A four head muscle in the leg/articulates with femoris bone
Quadriceps femoris
Quadriceps muscle or thigh muscle.
A bruise on your quadriceps muscle, which is the large muscle in your thigh.
The Rectus Femoris
The quadriceps femoris (Latin for "four-headed [muscle] of the femur"), also called simply the quadriceps, quadriceps extensor, quads, is a large muscle group that includes the four prevailing muscles on the front of the thigh.
quadriceps
explosive
Quadriceps is a muscle in a leg, not a cause of disease.
quadriceps
Quadriceps tendon
Quadriceps=4 heads Femoris= Upper leg Quadricepts femoris= 4 muscles of the upper leg.
Every muscle (no matter which muscle, even a single muscle fibre-unit) have several motor neurons.
The quadriceps are bigger because it controls your thighs so it must be bigger in order to lift your leg. As where your biceps is a muscle that controls your arm and also has a muscle to help it move. So the quadriceps are bigger and stronger.