Fitness ball is one of the traditional health care devices in China. There are stones, steel, copper, wood and plastic, and some just use two walnuts and walnuts as balls. There is also a hollow rotation that makes a pleasant sound. The choice of bulk materials depends on everyone's interest and economic ability, and its fitness effect is the same. The highest grade is the wild walnut with the same shape, which is of high value.

The reason why fitness ball is beneficial to physical fitness lies in the moderate movement of fingers and palms when playing, which regulates the meridians of the body. We should be patient, confident and persistent in playing fitness ball, and try to alternate with traditional fitness programs such as walking, practicing Qigong and playing Tai Ji Chuan to enhance the fitness effect.