excersises to improve jumping

some excersise that you can do to improve jumping abbility is the leg press which strengthens your quads(the upper leg muscles)  or the inclined leg press (doing a press on your back)also you can do squats,and calve raise(which are when you stand on a ledge with a barbell with or with out weights on it and place it on your shoulders  and then slowly lower your self down which your feet should be at an angle and then you raise your self up so that your feet are straight.)