I have a Varier Balans which I use a few hours a day and it's helped a lot with my back pain. The rocking and variable angle is a big part of it, I don't reckon

I have a Varier Balans which I use a few hours a day and it's helped a lot with my back pain. The rocking and variable angle is a big part of it, I don't reckon the fixed ones would work as well.