| Fit balls, gym balls or swiss balls are good exercise balls to use in fitness, strenghening, stability and balance training. Use them for fitness training or core stability exercises. Fun and inexpensive to use, they are used in both professional and home exercise programs by rehabilitation specialists, chiropractors and fitness trainers, athletes and lay people. Fit balls are also known as gym balls, stability balls, flexibility balls, flex balls, stretch balls, yoga balls, fit or fitness balls and workout balls |