The quadriceps muscles group is one of the biggest and most powerful muscle groups in the entire body. No matter what your goal, be it size, strength or endurance, the quadriceps muscles are an extremely important group to target during exercise. Not only do well developed quads look good, they are functionally important as well. Strong quads are important in maintaining proper biomechanics in any activity, so it can help beginners do things like mild walking or jogging, and can also help athletes maximize the performance all the way to the professional level. Almost every lower body movement revolves around the quadriceps, so if you are experience knee joint pain like many people do, developing the quads can help better support the knee, reducing pain.