Tyson, Abigail M.Rowson, Steven2018-05-012018-05-012018-03-30http://hdl.handle.net/10919/82953This document details the protocol used to rate adult football helmets based on concussion risk according to the Virginia Tech Helmet Ratings.application/pdfenCreative Commons Attribution-NonCommercial-NoDerivs 3.0 United StatesFootballConcussionHead ImpactPendulumProtocol