The leg press is a compound powerlift that engages most of the muscle groups in the legs. This exercise requires a seated bench with apparatus .it is a superior quad-building exercise. The leg press works on different muscle groups: Quadriceps, Hamstring,Gluteus, maximus, Calves (partially). It is specially targeting in quad muscles. The form of the leg press engages the calves almost entirely as secondary muscles. The leg press exercise increases lower body muscular strength and muscular endurance. For strength gains, use heavier weight, completing three or four sets of six to 10 repetitions. This is a relatively safer alternative for strength training because your spine and upper body is supported throughout the exercise.