Fitness TipsPush-ups are quite possibly one of the best upper-body exercises. They build muscle, strength and endurance. Plus, they have the added bonus of not requiring any equipment other than your own body weight. This workout will build your upper-body strength! Take Push Up Challenge this month and get those big ripped arms you always wanted, simply by doing push up exercises every day for a month. The beauty of a push-up is that it doesn’t only targets your upper body but also your legs and 90% of the muscles in your body. It simple engages the muscles in your body in a synchronized way.