Manual labor is a repetitive and monotonous movement of one or several body links (muscle groups), such as cutting rice and wheat, which is a long-term bending action. In contrast, scientific physical exercise can promote the comprehensive and balanced development of all links and muscle groups in the whole body.

2. Don't exercise too suddenly.

If the elderly have too much exercise, too high intensity or too large total load, they are prone to sports injuries. Before taking part in sports, you should choose appropriate sports equipment, make good preparations for sports, and choose appropriate events, such as brisk walking, jogging, Tai Ji Chuan, swimming, table tennis and dancing. And pay attention to the control of the amount of exercise, as well as the choice of equipment, venue, environment, time and climate.