8 hours sitting. Your back feels it. So does your tailbone.
For years, you've endured that annoying lower back pain every time you sit for a while. You blame the chair, your job, or that you're "not as young as you used to be."
The reality is simpler: most chairs—even expensive ones—are not designed to distribute weight properly. All the impact falls on the tailbone and lower lumbar area. And that's exactly where the pain appears.