玩健身球是一种简便有效的健身方法,它不受气候、场地条件的限制,只要您拥有一对健身球(也可用核桃代替),就可随时随地进行锻炼。 健身球多为钢制,中心有“胆”,所以手掌转动球体时可发出清脆的响声。较重的球每只有375克,直径可达5厘米。初学者或年老体弱者可玩较小较轻的球,或用核桃代替,或是用石料磨制的石球。开始练习时以单手托两球为宜,用五指按顺时针或逆时针拨动球体旋转,使之循环往 Playing fitness ball is a simple and effective fitness method, it is not climate and site conditions, as long as you have a pair of fitness ball (also available walnut instead), you can exercise anytime, anywhere. Fitness ball mostly steel, the center of “gall”, so the palm of your hand rotating sphere can be issued crisp sound. The heavier balls each have 375 grams and a diameter of up to 5 centimeters. Beginners or frail older people can play smaller and lighter balls, or use walnuts instead, or stone grind stone ball. Start practice to single ball two ball appropriate, with five fingers clockwise or counterclockwise dial the ball rotation, so that the cycle to