In fact, the intensity of Duoyan Zheng's weight loss campaign is not great. There is no harm to the body. But it will be very tiring to do it for the first time. If you lose weight, you will see the effect after a while. The whole body is much tighter.

But the action must be standard. Otherwise it's no use doing it.

If your back hurts when you do it, do yoga. Yoga is also very good.