Hands crossed, thumbs down, arms extended forward. After standing still for 2~3 seconds, put your hands back in reverse and extend forward for about 2~3 seconds. Slowly for about 10~20 times.

Massage your shoulders with one hand and keep shrugging. The pressed hand keeps pressing down on your arm, especially the inner muscles of your arm. * * * 5 times in about 5 seconds.

Cross your palms at your ears, stretch upward and exert yourself, rest for 2~3 seconds and then relax. Exercise the muscles that you don't usually use, and at the same time you can give a positive attitude. * * * 5~ 10.