Jumping rope generally will not make the calf thicker, but will make the calf thinner, if the method is not appropriate, can also make the calf thicker. Jumping rope need to consume energy, burn fat, play the effect of weight loss, calf fat also naturally followed by reducing, can make the calf muscle become firm and strong. Every time before jumping rope to do a good warm-up exercise, jump rope to do some muscle stretching action, so that you can make the calf thin. If you do not do warm-up exercise before jumping rope, jump rope and do not do stretching muscle action, then the calf is likely to become thicker and thicker.