The a some really horrible "ergonomic" chairs out there for sure. You seem to be stuck with what you've got, but I've found companies more than happy to let me bring in my own seating and adjust my workstation as necessary for my needs.
One of the downsides of sharing desks and seats. The chairs are in use 24/7/365, which means they're adjusted way more often than a regular office chair and are used a LOT more (office hours - 5x8h/week - are less than a fifth of the time our chairs are in use. 1/4th if you assume people make long hours), so they suffer, a lot, and often. Also, no sense of ownership/propriety, so certain co-workers with a certain...gravitas...to them, feel they're perfectly within their rights to plop down into a chair full-weight-first and bounce back. One of the chairs was broken literally the first day we had them. Of course,
he never sits in
that chair anymore, because it's a bit crooked and it's totally not his fault, whateverdoyoumean.
Also the reason I can't just up my desk; some of my colleagues are more than a foot shorter than me. Eh.
The sad thing is, our previous chairs were
exactly the same as these, except they had the tilt and recline on separate bobamathingies. I liked those chairs, except for the bits that were broken (no head rest, or a headrest stuck in the lowest position, forcing me into a crouch, or a seat that's tilted about 20° to the left,....)