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Martin RC, Grier T, Canham-Chervak M, Bushman TT, Anderson MK, Dada EO, Jones BH. U. S. Army Med. Dep. J. 2018; (2-18): 14-21.


Injury Prevention Division, US Army Public Health Center.


(Copyright © 2018, United States Army Medical Department)






This investigation aimed to identify risk factors for lower extremity sprain/strain injuries in physically active men. Lower extremity (LE) sprain/strain injuries are a significant source of morbidity among physically active populations. Data on and risk factors for injuries, including personal characteristics, and physical training and fitness were obtained from male Soldiers in an operational US Army division (N=6,865) by survey. Injury risks, risk ratios (RR), odds ratios (OR), and 95% confidence intervals (95% CI) were calculated. Multivariate analysis utilized logistic regression. Self-reported injury incidence for the prior 12 months was 43% (n=2,939), with 30% (n=878) of injuries attributed to LE sprains/strains. Lower extremity sprain/strain injuries were most commonly caused by falls, jumps, trips, or slips (49.4%), occurred while running (30.6%), and often resulted in limited duty profiles (64%). Higher risk of LE sprain/strain injury was independently associated with higher body mass index (ORoverweight/normal=1.2, 95% CI: 1.0-1.5), (ORobese/normal=1.4, 95% CI: 1.1-1.9), lower aerobic endurance (from 2-mile run time) (ORQuartile 2 (Q2)/Quartile 4 (Q4)=1.4, 95% CI: 1.0-1.8), (ORQuartile 1 (Q1)/Q4=1.6, 95% CI: 1.3-2.1), and lower core strength (sit-up repetitions) (ORQ1/Q4=1.4, 95% CI: 1.1-1.8). Lower risk of LE sprain/strain injury was associated with performing unit resistance training 3 or more times per week (OR3 times/none=0.5, 95% CI: 0.3-0.8). LE sprain/strain injuries contribute a significant portion of injuries among US Army Soldiers. Emphasis on aerobic fitness, core strength, and resistance training may help reduce the risk of LE sprain/strain injury among physically active men.

Language: en


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