What form does the human body naturally assume when all physical influences, including the pull of gravity, stop affecting it? NASA conducted research to find out using Skylab, America’s first space station, and later published specifications for what it called neutral body posture. The study has informed seat designs in everything from airplanes and office chairs to several models of Nissan automobiles.
Read more: http://spinoff.nasa.gov/Spinoff2013/t_4.html
Image credit: Nissan Motor Company