Safetylit: Protective Headgearhttp://www.safetylit.org/Welcome to SafetyLit, the online source for recent research about injury prevention.Perceptual Responses While Wearing an American Football Uniform in the Heat. - Johnson EC, Ganio MS, Lee EC, Lopez RM, McDermott BP, Casa DJ, Maresh CM, Armstrong LE. Protective Headgearhttp://www.safetylit.org/citations/index.php?fuseaction=citations.viewdetails&citationIds[]=citjournalarticle_184479_22Context: The protective equipment worn during American football has been shown to increase thermal strain; however, the perception of this increased heat has not been examined. Objective: To evaluate perceptual responses of American football players while ...