Destination (Author) Link:
http://www.thewellnessdirectory.co.nz/article/simple-techniques-for-improving-your-sitting-posture
Video Description:
Many people spend long hours working at a computer. Even with perfect ergonomics, muscle tension and pain are common complaints. It seems ironic that employers spend a lot of money on expensive office chairs, and virtually none on educating the people who use them.