What are the benefits of exercising soft volleyball for the elderly?

　　“Soft volleyball has soft texture and slow ball speed, which is very suitable for us elderly . ”Huang Xiji, a retired female employee of Guangxi Medicinal Botanical Garden, said.

　　On Sunday morning, Huang Xiji and retired employees from the same unit set up a volleyball net in the open space in the dormitory area. A yellow soft volleyball was passed around the hands of the elderly. There was constant laughter on both sides of the net, which brought them the joy of fitness.

　　Huang Xiji said that more than 10 of their retired employees