Did you know that 10 minutes of jumping rope is equivalent to 30 minutes of jogging, 25 minutes of swimming, or 20 minutes of tennis? Regardless of your age, you can start jumping rope to improve your health, lose weight, increase your endurance and strengthen your body. This portable exercise machine is suitable for girls, boys, women and men. It is also used by professionals for sports fitness including cross fit, speed training, gymnastics and boxing.