Injury risk-workload associations in NCAA American college football

Journal of Science and Medicine in Sport
John A SampsonHugh H K Fullagar

Abstract

To determine injury risk-workload associations in collegiate American Football. Retrospective analysis. Workload and injury data was recorded from 52 players during a full NCAA football season. Acute, chronic, and a range of acute:chronic workload ratios (ACWR: 7:14, 7:21 and 7:28 day) calculated using rolling and exponentially weighted moving averages (EWMA) were plotted against non-contact injuries (regardless of time lost or not) sustained within 3- and 7-days. Injury risks were also determined relative to position and experience. 105 non-contact injuries (18 game- and 87 training-related) were observed with almost 40% sustained during the pre-season. 7-21 day EWMA ACWR's with a 3-day injury lag were most closely associated with injury (R2=0.54). Relative injury risks were >3× greater with high compared to moderate and low ratios and magnified when combined with low 21-day chronic workloads (injury probability=92.1%). Injury risks were similar across positions. 'Juniors' presented likely and possibly increased overall injury risk compared to 'Freshman' (RR: 1.94, CI 1.07-3.52) and 'Seniors' (RR: 1.7, CI 0.92-3.14), yet no specific ACWR - experience or - position interactions were identified. High injury rates during college ...Continue Reading

Citations

Nov 15, 2018·International Journal of Sports Physiology and Performance·Richard JohnstonThomas Comyns
Oct 1, 2019·International Journal of Sports Physiology and Performance·Timothy J H LathleanCaroline F Finch
Feb 13, 2019·Journal of Strength and Conditioning Research·John A SampsonHugh H K Fullagar
Feb 1, 2020·The American Journal of Sports Medicine·April L McPhersonTimothy E Hewett
Mar 12, 2020·Open Access Journal of Sports Medicine·Danny MaupinRobin Orr
Dec 5, 2018·The Physician and Sportsmedicine·Avi D GoodmanBrett D Owens
Sep 30, 2020·Journal of Athletic Training·Tim J Gabbett
Sep 30, 2020·Journal of Athletic Training·Franco M ImpellizzeriAaron J Coutts
Oct 2, 2020·The Journal of Orthopaedic and Sports Physical Therapy·Christina Lyngsoe UdbyRasmus Østergaard Nielsen
Jan 8, 2020·Orthopaedic Journal of Sports Medicine·Amanda EsquivelStephen E Lemos
Jan 22, 2021·The Journal of Orthopaedic and Sports Physical Therapy·Torstein Dalen-LorentsenBenjamin Clarsen
Feb 9, 2021·Frontiers in Sports and Active Living·Dhruv R SeshadriJames E Voos
May 12, 2021·Journal of Sports Sciences·Alan GriffinMark Lyons
Aug 24, 2021·BMJ Open Sport & Exercise Medicine·Lena Kristin Bache-MathiesenMorten Wang Fagerland
Sep 23, 2021·The Physician and Sportsmedicine·Brooks N PlattAustin V Stone

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