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 stretching static movements. In the static aspect, it can make muscles tense continuously, and has the function of tightening and preventing fat precipitation; Dynamic exercises such as push-ups are more suitable for people with better physical strength. In addition, you can try some better professional products, which will be more efficient. Delica in France, for example, is quite good. You can try it if you can.