Brief introduction of Baoding iron ball

Baoding iron ball, generally 4 ~ 5cm in diameter, is bright and shiny, with balls and soundboards inside. Two of them are a pair, and their voices are high and low, so they are called "a man and a woman". Put two balls in your hand and move them with five fingers to make them turn forward or backward, making them sound high, soft and pleasant. Clinical experiments have proved that playing fitness ball can dredge meridians, strengthen tendons and bones, harmonize qi and blood, and also prevent and treat chronic diseases such as numbness of hands, inflammation of fingers and wrists, hypertension and hemiplegia. According to legend, Emperor Qianlong lived to the age of 88 and the famous painter Qi Baishi lived to the age of 98. The reason why they live long is that they all benefit from practicing fitness balls.