The fitness ball is a new, interesting and special sport and fitness exercise. The fitness ball has many uses and advantages: it is suitable for all people to exercise (including those who need rehabilitation), it has good fitness effect (especially for the spine and pelvis), and the fitness ball has good injury recovery and rehabilitation function. Exercise balls are safer and less prone to injury when exercising. Exercise balls can improve a person's flexibility, strength, balance, posture, and cardiorespiratory fitness. This rubber textured fitness ball can withstand up to 400 kilograms of pressure. But this lovely thing is quite naughty, if you do not grasp the essentials but to be it fooled Oh. Fitness ball is an emerging, interesting, special sports and fitness movement, now fitness ball exercise this movement with its fun, soothing, safe, effective and so on especially favored by urban women, fitness ball can train the chest, abdomen, back, buttocks, legs and other places in the muscle groups, and these muscle groups play an important role in maintaining body balance, improving body posture and preventing sports injuries.