However, it should be noted that if I am too heavy, running will cause great pressure on my knees and even cause permanent sports injuries. It is safer to ride a bike, but you should pay attention to choosing the right frame. Too big and too small are easy to get hurt.

My cycling heart rate is high, which belongs to the range of improving heart and lung function, but the weight loss effect is still good, and more importantly, my physique is much better. If you concentrate on losing weight, it is recommended to lower your heart rate and extend your time.