Spinning bike can thin the upper body. Provided the posture is correct. Because the calories consumed in a spinning class are quite amazing. If you want to lose your upper body. Pay attention to the following points: ① When doing a posture, you must put your hands on the bicycle, and your hands are relatively clamped, so there can be no obvious abduction. This will obviously consume your arm. ② When riding in a standing position, abdomen should be closed. Lean forward relatively. This can exercise to the abdomen. (3) Sufficient resistance. Only with sufficient resistance will there be obvious consumption. That kind of action with no resistance or little resistance is not good for the knee. And you can't lose fat.