First, spinning bike is a kind of outdoor sports equipment, which can achieve the goal of stovepipe to the maximum extent in sports. When riding a bicycle, all the muscles in the leg will participate in it, which has an excellent stretching effect on the muscles. Moreover, the outdoor air is fresh during exercise, and aerobic exercise can maximize the effect of stovepipe, while the treadmill is only an indoor sports equipment, which can only play a role in assisting exercise to a certain extent. Treadmill can't fully participate in the muscle tissue of the leg. Moreover, the treadmill always seems to walk on the flat ground, and there is no pedaling training for the legs. Riding a bike won't have this phenomenon.

Second, the change of outdoor environment will also stimulate the optimization of sports effect. Outdoor, the ever-changing scenery and rich information changes can increase the amount of exercise, while indoors, in a familiar environment, people will soon feel tired and have the impulse to end the exercise. Therefore, the amount of exercise outdoors is not an order of magnitude compared with indoors.

Thirdly, if you want to thin your legs, you can also jump rope, kick shuttlecock and other sports, combined with cycling and running on a treadmill, which can achieve better results. Because each of their exercises has a different stretching effect on the tendon of the leg, the combination of various exercises can better coordinate the extensibility of the muscle tissue of the leg, and achieve the effect of being beautiful without showing the leg thickness.