There are many exercises that work on different parts of the body, burn a considerable amount of calories, and strain the abdominals without much effort to make body parts next to burning calories. Push-up is a simple and less time-consuming training step that can bring you significant benefits. When you start push-up, you are in the entry level, over time, when you reach the middle level, and then there is a professional level. All three levels have variations. A push-up variant is the single leg where you practice push-ups with just one leg on the floor while keeping the other in the air. This variation can be practiced by people of medium level. One-leg push-ups strengthen the muscles of the arms, trunk, shoulders and chest. This video shows you how to properly practice the push-up with one leg.