Why The Human Shoulder Is A Design Disaster - Cheddar Explains

Shoulder injuries are one of the most common orthopedic injuries – and they're also one of the most commonly ignored. But chimpanzees, with whom we share nearly 99% of our DNA, don’t encounter the same issues we do. So why are human shoulders such a design disaster? Well, we can trace the answer back to a very particular moment in our evolution. Further Reading: Human Errors: A Panorama of Our Glitches, from Pointless Bones to Broken Genes, Dr. Nathan Lents www.amazon.com/Human-Errors-Panorama-Glitches-Pointless/dp/1328974693 The Mercury News: https://www.mercurynews.com/2016/02/0... John Hopkins Medicine https://www.hopkinsmedicine.org/healt... Smithsonian Magazine https://www.smithsonianmag.com/scienc... University of California, San Francisco https://www.ucsf.edu/news/2015/09/131... Web MD https://www.webmd.com/pain-management... Subscribe to Cheddar on YouTube: http://chdr.tv/subscribe Connect with Cheddar! On Facebook: http://chdr.tv/facebook On Twitter: http://chdr.tv/twitter On Instagram: http://chdr.tv/instagram On Cheddar.com: http://chdr.tv/cheddar