Hands behind your back, 1 hands from top to bottom, and 1 hands from bottom to top, and finally the fingers of both hands touch and hook. This pose lasts for 20 seconds, release it and switch to the other side 1. . Do it for at least 5 minutes.

In fact, if you want to focus on a specific part, you can see for yourself whether the meat in the part to be reduced is tight and feel for yourself when doing the action. If it's not tight at all, it means that this action can't be moved to this part, so try another posture.