Updated: 03/06/2014 2:11 PM
Created: 03/05/2014 5:55 PM KSTP.com
By: Cassie Hart
The Boys' State Hockey Tournament is underway at Xcel Energy Center.
You can watch the games over on 45 TV. It's also streaming at Prep45.com. The tournament runs for days and it attracts a lot of fans and parents.
Many parents up in the stands may have a fear of seeing their kid get hurt.
5 EYEWITNESS NEWS asked Doctor Anne Moore from the TRIA Orthopedics Center in Minneapolis more about the video campaign launched last fall with Mayo Clinic called Heads Up, Don't Duck Hockey and if it's making a difference.