Doing pushups vigorously is great strength training for your chest muscles as well as your shoulders, torso, abs and triceps. You can practice pushups wherever you are, and they require no fancy equipment. Push-ups will help your upper body muscles become stronger, which in turn helps your bones gain strength as well. Doing push-ups also has the added benefit of developing your core as you engage it to stay in the proper pushup position. Even though the thought of doing pushups might seem intimidating, there are many modifications you can try to work your way up to that perfect pushup. How many calories you burn doing vigorous push-ups depends on your speed, weight and gender. You can see how many calories you burn doing push-ups vigorously using the calculator below.