Street dance can cultivate a strong figure and make masculinity more perfect. Very popular, suitable for children to jump. (Broken) Ground quality training Ground quality training includes sitting on the ground and doing instep hooking, foot rolling and hip pressing, supine leg sucking, leg sucking on the side, leg sucking after prone, waist training and writing before supine. These actions can open the joint ligaments of the shoulders and crotch, strengthen the flexibility of the waist, and enhance the elasticity and strength of the muscles of the legs and back.