The player's body healthy. Especially the children's growth. Because it makes the player to exercise almost every proportion, whether the leg muscles, muscles, arms, shoulder muscle, etc.The player's body healthy. Especially the children's growth. Because it makes the player to exercise almost every proportion, whether the leg muscles, muscles, arms, shoulder muscle, etc.Especially in those with older, because will make the proportions of the players fitting. We often see volleyball athletes were in good shape and not fat too.
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