I love my chair. It puts me at proper alignment and relieves my back pain. With my short legs (5'5'') I have to keep the ball rather underflated and can not access the back rest, but feel more secure with it there.
I absolutely love my balance ball chair. Low back pain I experienced with other type chairs (and I tried many) has resolved with the use of this chair, even when sitting for prolonged periods,
This truly is a wonderful chair. I purchased this for use at work. Having arthritis makes sitting for long periods very uncomfortable until this chair. Love, love, LOVE it! You will, too!
I cannot use this chair any longer. After the first several days, my right hip was so painful I could barely walk. And the back of the chair is positioned too far back to be used for anything other than a handle for moving the chair around. This was a very unfortunate purchase for me.
After a few delivery issues, I finally have my ball chair and just love it! It was a bit low for my desk at first but after I followed the instructions on inflating, deflating then re-inflating it now it's perfect! I can actually feel my core muscles getting stronger and my lower back pain has decreased.