In this how-to video, you will learn how to do a military push-up. This will work your chest muscles. Get into push-up position. Get on your hands and toes. Make sure the shoulder, elbow, and hand are aligned. Your back should be straight and your abs should be tight. When you go down, breathe in. Your nose will hit the floor. Breathe out when you go back up. The motion should last for about a second. Do these for as many push-ups as you can do. Your chest should be over your hands while you do this. Do not sag your back when doing this. This video shows you the proper way to do military push-ups.