https://www.webmd.com/back-pain/news/20061129/back-pain-eased-by-sitting-back https://www.webmd.com/back-pain/news/20061129/back-pain-ease... ”Nov. 29, 2006 --

https://www.webmd.com/back-pain/news/20061129/back-pain-eased-by-sitting-back https://www.webmd.com/back-pain/news/20061129/back-pain-ease... ”Nov. 29, 2006 -- Lean back before reading this; your back may thank you. A new study suggests that sitting upright for hours at a time -- for example, when working at a computer -- may lead to chronic back pain. Instead, the best position for your back is somewhat reclined, sitting at a 135-degree angle rather than the 90-degree angle most office chairs are designed for.“