Youth helmet impact sensors: On-the-field placebo or danger?
 

Head impact helmet sensors are marketed as an extra set of eyes for youths on the playing field. But what is that extra set of eyes really seeing?http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA</img> http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA</img> http://feeds.feedburner.com/~ff/rss/...20:V_sGLiPBpWU</img> http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs</img> http://feeds.feedburner.com/~ff/rss/...20:gIN9vFwOqvQ</img>


More...