ArticleAnnals of biomedical engineering2019
Repetitive Head Impact Exposure in College Football Following an NCAA Rule Change to Eliminate Two-A-Day Preseason Practices: A Study from the NCAA-DoD CARE Consortium.
Article in Annals of biomedical engineering, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers, 4 of them syntheses that pooled it.
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Who cites it
41 citing papers in PubMed, 4 syntheses or guidelines pooled it.
- Prevention strategies and modifiable risk factors for concussion: a systematic review and meta-analysis for the Female, woman and girl/or Athlete Injury pRevention (FAIR) consensus.British journal of sports medicine · 2025Pooled it
- Head Impact Research Using Inertial Sensors in Sport: A Systematic Review of Methods, Demographics, and Factors Contributing to Exposure.Sports medicine (Auckland, N.Z.) · 2022Pooled it
- Head Impact Sensor Studies In Sports: A Systematic Review Of Exposure Confirmation Methods.Annals of biomedical engineering · 2020Pooled it
- The Effectiveness of Regulations and Behavioral Interventions on Head Impacts and Concussions in Youth, High-School, and Collegiate Football: A Systematized Review.Annals of biomedical engineering · 2020Pooled it
- Concussion Risk Between Individual Football Players: Survival Analysis of Recurrent Events and Non-events.Annals of biomedical engineering · 2020Trial
- Sex Differences in Head Acceleration Events in Law Enforcement Corrections Cadets.Annals of biomedical engineering · 2025Article
- Correlating Magnetoencephalography, Diffusion Kurtosis Imaging, Biomechanics, and Neuropsychology in American Youth Football.Journal of neurotrauma · 2025Article
- Impact Biomechanics Reveal Positional and Session Type Differences in Canadian Collegiate Football.European journal of sport science · 2025Article
- Detecting and Salvaging Head Impacts with Decoupling Artifacts from Instrumented Mouthguards.Annals of biomedical engineering · 2025Article
- Distribution of position-specific head impact severities among professional and Division I collegiate American football athletes during games.BMJ open sport & exercise medicine · 2025Article
- Implementing injury prevention strategies in community-based youth football: The role of parents, coaches, and organizational leaders.PloS one · 2025Article
- Protocol for COACH, an evidence-based intervention for improved head impact safety in youth American football developed using a community-engaged approach.Contemporary clinical trials communications · 2024Article
- Characterizing Head Acceleration Events in Law Enforcement Cadets During Subject Control Technique Training.Annals of biomedical engineering · 2024Article
- The Effect of Intranasal Plus Transcranial Photobiomodulation on Neuromuscular Control in Individuals with Repetitive Head Acceleration Events.Photobiomodulation, photomedicine, and laser surgery · 2024Article
- Preliminary Examination of Guardian Cap Head Impact Kinematics Using Instrumented Mouthguards.Journal of athletic training · 2024Article
- Association of Use of a Mobile Tackling Dummy During College Football Practice With Reduced Sport-Related Concussion: Results of a Pilot Investigation.Orthopaedic journal of sports medicine · 2024Article
- Association of Auditory Interference and Ocular-Motor Response with Subconcussive Head Impacts in Adolescent Football Players.Neurotrauma reports · 2024Article
- Leveraging football accelerometer data to quantify associations between repetitive head impacts and chronic traumatic encephalopathy in males.Nature communications · 2023Article
- Development of a Head Acceleration Event Classification Algorithm for Female Rugby Union.Annals of biomedical engineering · 2023Article
- Characterization of Head Acceleration Exposure During Youth Football Practice Drills.Journal of applied biomechanics · 2023Article
Corrections and comments
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Authors and funding
19 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Repetitive head impact exposure sustained by athletes of contact sports has been hypothesized to be a mechanism for concussion and a possible explanation for the high degree of variability in sport-related concussion biomechanics. In an attempt to limit repetitive head impact exposure during the football preseason, the NCAA eliminated two-a-day practices in 2017, while maintaining the total number of team practice sessions. The objective of this study was to quantify head impact exposure during the preseason and regular season in Division I college football athletes to determine whether the 2017 NCAA ruling decreased head impact exposure. 342 unique athletes from five NCAA Division I Football Bowl Subdivision (FBS) programs were consented and enrolled. Head impacts were recorded using the Head Impact Telemetry (HIT) System during the entire fall preseasons and regular seasons in 2016 and 2017. Despite the elimination of two-a-day practices, the number of preseason contact days increased in 2017, with an increase in average hourly impact exposure (i.e., contact intensity), resulting in a significant increase in total head impact burden (+ 26%) for the 2017 preseason. This finding would indicate that the 2017 NCAA ruling was not effective at reducing the head impact burden during the football preseason. Additionally, athletes sustained a significantly higher number of recorded head impacts per week (+ 40%) during the preseason than the regular season, implicating the preseason as a time of elevated repetitive head impact burden. With increased recognition of a possible association between repetitive head impact exposure and concussion, increased preseason exposure may predispose certain athletes to a higher risk of concussion during the preseason and regular season. Accordingly, efforts at reducing concussion incidence in contact sports should include a reduction in overall head impact exposure.
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