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.

2. Make your arms nervous.

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.

3. Improve the relaxation of the inner arm

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.

In muscle training, there are swimming, push-ups and other movements, as well as extended static movements. In the static aspect, it can make muscles tense continuously, and has the function of tightening and preventing fat precipitation; Dynamic actions such as push-ups are more suitable.

I hope I can help you.