References

1. NCBI - WWW Error Blocked Diagnostic
2. George C Back and Disc Pressure in Different Positions Chart
3. NCBI - WWW Error Blocked Diagnostic
4. Jan Stensland Ergonomics of sitting
5. nabil ebraheim Body Positions Affecting the spine and discs - Everything You Need To Know - Nabil Ebraheim, M.D.
6. George C Best Ways to Sit with Lower Back Pain (from an Ergonomist)
7. www.researchgate.net