To one side, there were signs for “The New American Landscape,” an election ... How much more can the helmet do? Football is a game of inches, and none is more important than the inch and ...

The head form was placed in four different positions before impact simulation -- front, side ... comparisons of 20th and 21st century American football helmets. Laboratory investigation.

Background Properly fitted equipment remains a critical element in reducing the risk of concussion in American football. Objective To assess helmet fitting characteristics and contributing risk ...

To one side, there were signs for “The New American ... the helmet do? Robert Griffin III is helped off the field after suffering a concussion last December :: Wesley Hitt/Getty Images Football ...