Just bought the classic ball chair, how do I know if the ball is inflated enough or too much? Is there a general "firmness" that it should have, some have said I have not filled it enough, now I feel like it is too much.
Top 10 Contributor
The best way to know that your exercise ball is properly inflated is to measure the height of the ball when it's fully inflated. Here's the easiest way to do this:
Make a pencil mark on a wall at a height of 55, 65 or 75 centimeters, depending on which size ball you purchased. You'll find the optimal diameter (height) clearly indicated on the box that came with the ball you purchased. The diameter of an exercise ball is the same as its height when fully inflated.
Inflate the ball until the top of the ball is level with your pencil mark.
When inflating the ball, it should not measure more than the size indicated on the box, or it could burst.