1: children's body length fast, because the jump up and down movement is the body's longest stay in the air movement, a joint and the Earth's gravity into a straight line is the best stretch, is conducive to a joint calcium absorption. (Basketball players are arguably the best)
2: The most important point is that the trampoline is soft to accelerate the joint calcification. Bone growth cycle is most suitable for children's movement.
To make the body composed of five elements of bones, muscles, fat, skin, facial features to achieve fitness standards, and well maintained, there are laws and rules to follow. This law and the law is the crystallization of human long-term research.
Children's entertainment, increased, adult weight loss, hip best fitness products, on the courtyard or park, loved by adults and children. (Fitness, increased, popular in Europe and America)