1. Yoga: Yoga mainly enhances the flexibility, balance and strength of the body through stretching and breathing exercises, and can also reduce stress and improve sleep. However, it should be noted that yoga has great pressure on the waist, neck and knees, and these injured or obese people need to choose carefully.

2. Spinning bike: Spinning bike is an aerobic exercise, which can effectively burn body fat, enhance cardiopulmonary function, and improve the endurance and coordination of the body. Compared with yoga, spinning has less influence on the body, so it is more suitable for people who want to lose weight quickly.

In terms of weight loss, spinning is usually more meaningful than yoga, because its exercise intensity is relatively high, which can effectively improve the heart rate and breathing frequency, thus making the body burn fat faster. But yoga has advantages in shaping and improving the flexibility of the body.

To sum up, choosing yoga or spinning depends on personal circumstances and needs. If you pay more attention to physical flexibility, balance and mental health, then you can choose yoga; If you want to lose weight quickly or are interested in outdoor cycling, then spinning may be more suitable for you. No matter which way you choose, you need long-term exercise and a reasonable diet to achieve the best weight loss effect.