Unlike mattresses where you should choose firmness based on your sleeping position, the firmness of your lumbar support ...
Sitting in an ergonomic office chair ... a chiropractor at Cavanaugh Chiropractic. “I recommend a medium-firm mattress for ...
Allen Conrad, a chiropractor at Montgomery County Chiropractic Center in North Wales, Pennsylvania, agrees: “The standard chair we all ... this can lead to back pain and other painful conditions.” ...