If slouching in a chair for long durations is harmful, I would have had serious problems by now. I haven't met a chair I didn't love to slouch in. That said, I

If slouching in a chair for long durations is harmful, I would have had serious problems by now. I haven't met a chair I didn't love to slouch in. That said, I did twist out my back last year. My doc said ti was due to sports, but who knows.