... system, maintaining a strong and healthy. Skip the effect reducing weight also is very significant, it can ... jump in 3 minutes, after 3 months can jump on 10 minutes a day, after half year "jump" ... sports metabolism.No, what is the effect of skip this movement, men and women, old and young, all appropriate, ... to stand in the first two, jump jump rope on one foot sideways, then jumped back and oblique. ...