Zhang Chengyu's shoulders are stiff and sore, which makes people complain. It's hard to get something and do sports. Butterfly sleeve, which has been inactive for a long time, makes you "wrapped tightly" in summer and can't enjoy the beauty and freshness of sleeveless clothes? Japanese body-shaping experts recommend an action to exercise shoulder and arm muscles, relax shoulder blades and improve butterfly sleeve and shoulder stiffness and pain once and for all! 1 Simple stretching is expected to solve the problems of shoulder stiffness, pain and butterfly sleeve at the same time. Kenji Endo, a lecturer in plastic surgery at Tokyo Medical University, said that many people often feel stiff and heavy shoulders because they sit at their desks for a long time. Moreover, the stiffness of the muscles around the scapula will reduce the mobility of the shoulder. Therefore, it is recommended to exercise the muscles around the scapula to improve blood flow. Besides shoulder discomfort, even the stiffness of the neck may be improved. The data of Hamamatsu Orthopedic Hospital in Japan also pointed out that sitting at a desk for a long time can easily lead to the rigidity and tension of the biceps brachii, and stretching the arm through simple movements can not only improve the rigidity and pain of the arm, but also tighten the arm and eliminate butterfly sleeve. Tian, a famous Japanese body sculpting expert, introduced a simple movement. Using the wall at home to exercise the muscles from shoulder to arm can eliminate butterfly sleeve and relax scapula at the same time, thus helping to prevent and improve the problem of shoulder stiffness and soreness. Eliminate butterfly sleeve and improve the stiffness and soreness of shoulders. Do this with your back to the wall, hold the wall behind your back with both hands and take a deep breath 1 ~ 2 times. When exhaling, slowly kneel down, try not to start work, and stretch your shoulders and arms to a comfortable level. Then slowly inhale and return to the action 1, and do it 10 times continuously.