wearable assistive device

Gives users spring-loaded knees Whether they’re playing sports or suffering from joint injuries, some people could definitely benefit from using a wearable assistive device. That’s where Levitation comes in. It’s a spring-loaded knee brace that augments the user’s quadriceps. I may soon need a pair of these: http://www.gizmag.com/levitation-spring-loaded-knee-brace/40709/