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Title: Check the sizes!!!
Review: Either this ball doesn't pump up to the full 55cm or the description and estimations are wrong. I'm not quite 5'3" and I have short legs. So, based on reviews I had read this ball sounded like it should work. Short with short legs... Nope. It was still too small. I did like the ball itself and the pump that came with it. So, I bought the 65cm ball which has worked out well. That one, however, does not pump up to the full 65cm without getting to hard to work with. If you're going to buy a stability ball make sure you ask a trainer or someone which size would work best for you based on your leg length and not necessarily your height.
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