When I had a bad back, everyone I asked for chair recommendations said the same thing: Herman Miller. I got this chair from a company that refurbished lightly used furniture from offices. As you can see from the pics there are signs of wear but everything working perfectly. Turns out it just doesn’t suit my body shape. Maybe it would suit you? Herman Miller’s cost loads so grab yourself an ergonomic bargain. Please note: monkeys not included.
eBay