Evaluation of the US Army Special Forces Tactical Human Optimization, Rapid Rehabilitation, and Reconditioning Program


Grier T, Anderson MK, Depenbrock P, Eiserman R, Nindl BC, Jones BH 18(2). 42 - 48 (Journal Article)

Background: We sought to assess the rehabilitation process, training, performance, and injury rates among those participating and not participating in the Tactical Human Optimization, Rapid Rehabilitation, and Reconditioning (THOR3) program and determine injury risk factors. Methods: A survey inquiring about personal characteristics, injuries, physical performance, and THOR3 participation during the previous 12 months was administered to Army Special Operations Forces (SOF) Soldiers. Based on responses to physical training, Soldiers were categorized into three groups: a traditional physical training (TPT) group, a cross-training (CT) group, and a THOR3 group. To identify potential injury risk factors, risk ratios and 95% confidence intervals (95% CIs) were calculated. Backward- stepping multivariable logistic regression models were used to assess key factors associated with injury risk. Results: The survey was completed by 328 male Soldiers. Most of the Soldiers (62%) who scheduled an appointment with the physical therapist were seen within 1 day. Self-reported injury rates for the TPT, CT, and THOR3 groups were 70%, 52%, and 48%, respectively. When controlling for personal characteristics, unit training, and fitness, the TPT group had a marginally higher risk of being injured than the THOR3 group (odds ratio [OR], 2.72; 95% CI, 0.86-8.59; p = .09). Soldiers who did not perform any unit resistance training (ORnone/90-160 min, 3.62; 95% CI, 1.05-12.53; p = .04) or the greatest amount of resistance training (OR>160 min/90-160 min, 3.44; 95% CI, 1.64-7.20; p < .01) were more likely to experience an injury than the moderate-resistance training group. Conclusion: THOR3 appears to offer human performance optimization/injury prevention advantages over other SOF human performance programs.

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