Addendum.

Abstract

Swartz EE, Register-Mihalik JK, Broglio SP, et al. National Athletic Trainers' Association Position Statement: Reducing Intentional Head-First Contact Behavior in American Football Players. J Athl Train. 2022;57(2):113–124. doi: https://doi.org/10.4085/1062-6050-0062.21Please see the authors' disclosures below.Erik E. Swartz, PhD, ATC, has received grants from the GOG Hawaii Foundation and the Nine Sigma Head Health Challenge and trademark registration for HUTT. Johna K. Register-Mihalik, PhD, LAT, ATC, has received grants from the National Operating Committee on Standards for Athletic Equipment, Department of Defense (DOD), Centers for Disease Control and Prevention (CDC), National Center for Injury Prevention and Control, National Athletic Trainers' Association (NATA) Foundation, National Football League (NFL), and National Collegiate Athletic Association (NCAA)–DOD Mind Matters Research Challenge Award; she is a member of USA Football's Football Development Council. Steven P. Broglio, PhD, ATC, has received funding from the National Institutes of Health, CDC, DOD-USA Medical Research Acquisition Activity, NCAA, NATA Foundation, NFL, Under Armour/GE, Simbex, and ElmindA. He has consulted for the NCAA (travel expenses only), US Soccer, US Cycling (unpaid), and medicolegal litigation and received speaker honoraria and travel reimbursements for talks given. He is on the University of Calgary SHRed Concussions external advisory board (unpaid). Jason P. Mihalik, PhD, CAT(C), ATC, has received grants from the National Institutes of Health, NFL, CDC, and DOD. Kevin M. Guskiewicz, PhD, ATC, has received grants from the NFL (subaward from Boston Children's Hospital) and NCAA and nonfinancial support from the NCAA Scientific Committee. Julian Bailes, MD, is Chairman of the Medical Advisory Committee for Pop Warner Football. Jay L. Myers, PhD, reported no disclosures. Merrill Hoge, BA, has received royalties from Mascot Books for a football-related publication.