With a fitness or gym ball you can train your leg muscles, arm muscles and balance in addition to your core and abdominal muscles. Fitness balls are available in different sizes, namely with a diameter of 55, 65 or 75cm. Which fitness ball is best for you depends on your height. The guidelines are:
|fitness ball 55 cm||-||length up to 170 cm|
|fitness ball 65 cm||-||length up to 185 cm|
|fitness ball 75 cm||-||length from 185 cm|
The fitness ball is delivered without air, so you have to pump it yourself. First fill the fitness ball to about 80% of the diameter and let the fitness ball rest for a day. This gives the material the time to stretch and get in the right shape. After 24 hours the fitness ball can be fully inflated and is ready for use!
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