Objective: To exercise upper arm muscles, including biceps brachii and triceps brachii, and stretch the position of shoulder and neck, which is especially beneficial for people who work at their desks for a long time.

1, sit in a chair with your back straight, fingers clasped, hands straight forward at the same time, palms outward.

2. Then put your hands together and hold them high above your head, with your head slightly downward, so that your hands, shoulders and neck can be stretched to the maximum extent. The whole action is repeated 15-20 times.