Ball Size – It Matters

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balls.jpgWhen shopping for a stability ball, also known as a balance ball or exercise ball, it is important to buy the right size. Ideally, you want to sit on the ball with feet on the floor in front of you and knees at ninety degrees. If you have access to one at the gym, make sure it is properly inflated (not too soft and squishy), try it and then look on the side to see the size, __cm. If you are shopping online and have never used one before, here is a chart guide of what size will work for you.

Under 5′ = 45 cm

5’0″-5’6″ = 55 cm

5’7″-6’1″ = 65 cm

6’2″-6’8″ = 75 cm

There are also 30 cm balls and 85 cm balls available for those very tall or very short.

Note: If you have long legs or back problems, you may want to go up a size for more support.

You might also considerate using this method to make an estimation for your size –
To avoid being disappointed that your ball is smaller than you expected, test out the ball size before ordering. Most people underinflate a ball because it is so firm (like a rock) inflated to its maximum diameter. To see if a 55cm ball is right for you, place a mark on a wall about 20 inches high (16 in. for a 45cm ball), and squat next to it. Consider that you will sink down a few inches (depending on your weight and amount of inflation). This is approximately how tall the ball will be when sitting on it. Get a larger size if you don’t like this height!

When you receive your ball make sure to follow the inflation instructions!

I have used these balls in the past for my corporate fitness program. They are a great value! They don’t come with a pump so you save a few dollars but you need to have a bicycle or car tire pump to fill it. Thera-Band Exercise Balls – SDS Exercise Balls

These estimates are compiled from my experience, Health Magazine, & .

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