Why double-jointed people are more likely to have health problems
When Jan Kiley was a child, even the slightest of bumps to her arms or legs would cause livid bruises on her skin. During PE ...
Business Insider8 年
The myth of being double-jointed explained
Can you bend your arms behind your back, click your wrist or touch your thumb to your forearm? Most people describe someone with these talents as being "double-jointed," but that's not an accurate ...