Pilates, Dance, Gymnastics, Yoga and Zoomba
WOA System, is used for warming up and stretching out. It develops leg and ankle muscles. It also has many methods of developing balancing skills, thus making it invaluable in all these modalities.
Each of these use different muscle groups and the WOA System can develop all of them.It also takes no room in your Gym bag and unlike weights it weighs less than a pound.