By eHow Sports & Fitness Editor
Rate: (0 Ratings)
The balance ball can be used for more than strengthening your core muscles. It can be incorporated into many different exercises and so it's a useful tool around your home or at the gym. Even though you use the balance ball with this exercise, it doesn't require any balance. The ball is used to give your legs something to hold on to so they stay in the correct position during the exercise.
eHow Sports & Fitness Editor