Before going to bed at night, lie flat on the bed, take off the pillow, relax all over, keep the upper body still, slowly lift your legs to 15 to 30 degrees, and sit still. It may not last long at first, so take your time and start in half a minute. One minute, two minutes ... You can feel the abdominal muscles shaking, which is the reburning of fat. You should be able to see remarkable results in a week or so.