Tips and Trick on How to Find The Right Exercise Ball Sizes For You
Exercise ball sizes can make a huge difference in your workout since you are using them in various positions when exercising. While smaller balls can improve the effects of certain exercises and larger balls can provide support to your body weight if you have a bad back, it will matters a lot to choose the right ball depends on your personal height and size of arm.
In using your height in determining the right exercise ball sizes, the equipment should be level or slightly above the knees. The best and easiest way to measure the right exercise ball is by sitting on it. When doing this, you need to bend your knees at a 90-degree angle and your thighs should be level with the floor. Find out your height and check which size you should try first.
This simple chart will help you to find the right exercise ball size depending on your height.
| Height | Recommended ball size |
| Under 4′8″ | 45 cm |
| 4′8” to 5′3” | 55 cm |
| 5′4” to 5′10 | 65 cm |
| 5′10 to 6′4 | 75cm |
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Sitting position is the best to determine whether the new ball is appropriate for certain height. At an angle of 90-degrees, your hips are level or slightly higher than the knees. When the exercise ball is too small, you might compromise the position of your hips and pelvis when sitting on it. On the other hand, a ball that is too large will not provide opportunities for your feet to touch the ground, putting you in an unstable position. that is why it is important to achieve the right ball in order to have the right workout.
There is another approach to determining right exercise ball sizes is to calculate the length of your arms from your fingertips to the shoulder. Since the length of your leg may vary from that of other people, the arm span can accurately measure the right ball for you.
If the exercise ball will be used for several aerobic exercises and need to hold onto it, the arms cam also provide a better fit for your situaation. However, using this method may be a bit tricky as most people usually have more knowledge of their height than their arm span.
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If you prefer arm span to determine the right exercise ball for you, this chart will help you find the correct size.
| Arm Length | Recommended ball size |
| 22″ to 25-1/2″ | 55 cm |
| 26″ to 31-1/2″ | 65 cm |
| 31-3/4″ to 35-1/2″ | 75 cm |