3 ms·

Sitting straight 'bad for backs'

• RiderOfGiraffes 16y ago
  Article from 2006, and submitted previously: http://news.ycombinator.com/item?id=185187 http://news.ycombinator.com/item?id=185187 http://news.ycombinator.com/item?id=1345938 http://news.ycombinator.com/item?id=1345938