As part of its 10-year helmet rating plan that uses linear and rotational acceleration for predicting helmet risk, Virginia Tech, which recently reported its findings on the effectiveness of hockey helmets in preventing head injury, is currently collecting data on sensor products. The VA Tech Sensor STAR ratings will be publicly announced in Fall 2015. The use of sensor technology to record the severity and number of head impacts is exploding. It’s now available in mouthguards, earpieces and accelerometers that can be attached to players. But just how reliable are these sensors?

Some sensors are very useful and some don’t work ... Log in to view full article.