1, do chest expansion exercise: If you want to slim your back, you must insist on doing chest expansion exercise every day. First of all, open your hands to shoulder level to adjust the rhythm of chest expansion, which can effectively make your body more straight and can also quickly thin your back.

2, swimming: swimming can effectively thin the back. If you want to lose weight quickly, you can try breaststroke and butterfly stroke, but you must do warm-up exercises before swimming.

3. Practice yoga: Yoga requires certain professional knowledge, but practicing yoga can also effectively slim the waist. However, everyone should pay attention: girls want to practice yoga, it is best to do it under the guidance of a professional yoga teacher, otherwise it will not be worth the loss.