Subconcussive head impact exposure between drill intensities in U.S. high school football

Kyle Kercher, Jesse A Steinfeldt, Jonathan T Macy, Keisuke Ejima and Keisuke Kawata

PLOS ONE, 2020, vol. 15, issue 8, 1-14

Abstract: USA Football established five levels-of-contact to guide the intensity of high school football practices. The objective of this study was to examine head impact frequency and magnitude by levels-of-contact to determine which drills had the greatest head impact exposure. Our primary hypothesis was that there would be an incremental increase in season-long head impact exposure between levels-of-contact: air 100g) head impacts were more frequently observed during live and thud drills. Level-of-contact influences cumulative head impact frequency and magnitude in high-school football, with players incurring frequent, high magnitude head impacts during live, thud, and control. It is important to consider level-of-contact to refine clinical exposure guidelines to minimize head impact burden in high-school football.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0237800

DOI: 10.1371/journal.pone.0237800

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