The X Rocker will not be the most ergonomically-made chair, but it would in all probability be better than sitting on his bed. But, I haven't but found a racing-style gaming chair that has perfected lumbar aid. On the other hand, a similar may be claimed for office chairs also. https://racingstylegamingchair16059.tinyblogging.com/the-5-second-trick-for-gaming-chair-for-good-posture-77937691