Exercise is one of the most important things for the body, not only to make it strong, but also for us to avoid diseases. Disease care is very expensive in any health cares or hospitals. Most of the money spent for health care are really spent for medicines or treatments. Many people now are have no time for exercise because of busyness or just taking aside of it. They didn’t think that having no exercise can lead to the weakness of the body and also can cause of incurable diseases. In this study we will know the importance of having a regular exercise. We will learn the possible effects of exercise to muscles, to motivate us to do exercises for our healthy lifestyle. One in having a regular exercise, it gives energy to the muscles through healthy blood circulation. So as long as we do exercise, the more we will have energy in every muscle. So in that way we can make our performance in work and activities good with a healthy body.