Variable speed running requires fast jogging, that is, jogging for a while and then running for a while, jogging and running alternately, in order to improve the aerobic metabolism and anaerobic metabolism of muscles at the same time. Pamela aerobics is a series of different movements combined with dynamic music, which has low repeatability and strong interest.
Both aerobic exercises can increase heart rate, increase myocardial contractility, accelerate breathing, improve vital capacity and lung function, thus effectively reducing abdominal circumference, losing weight and improving body shape. Exercise is about persistence. Don't give up if you can't see the effect in the short term, and you will benefit a lot slowly.