Engages abs
 By running, it will not only engage your leg’s core but also activate the ab muscle. It helps you to keep your body balance and prevents you from falling off. If you run 20 minutes, your leg’s core will engage for the whole time. By practicing it regularly, you can build up the strengthen core. And it will improve your tone, exercise stamina, and posture.
Burns calories
Burning calories depends on your running speed. If you run slow, it will burn a few calories. When you run fast, it will burn more calories. Running 20 minutes on 8 MPH speed, you can burn about 300 calories. The number of burn calories depends on how much you work out and your dedication. It also depends on the degree of incline use and body weight. So, the treadmill helps you to get a slim body.