Campolettano, Eamon T.Sproule, David W.Begonia, Mark T.Rowson, Steven2019-03-202019-03-202019-03-19http://hdl.handle.net/10919/88494This document details the protocol used by the Virginia Tech Helmet Ratings to rate youth football helmets based on concussion risk.application/pdfenCreative Commons Attribution-NonCommercial-NoDerivs 3.0 United StatesFootballConcussionHead ImpactProtocol