Kneel on the bed, mat and carpet with your legs shoulder width, and insist on it for 20 minutes every day! Just! In the first few days, there will be slight pain in the knee, which is normal. Take a break every few minutes. Get used to it in a few days, and it will be fine naturally. Be sure to persist! This method can not only lose weight, but also reduce qi and blood, and can also treat many chronic diseases such as waist, legs and knees. After a long time of adaptation, you can also try to walk on your knees, which is more beneficial!