Differential recovery rates of fitness following U.S. Army Ranger training

To investigate tactically-related physical performance and body composition recovery following U.S. Army Ranger training. Prospective cohort. Physical performance was comprehensively assessed using a tactically-related performance battery (i.e., Ranger Athlete Warrior assessment) in 10 male Soldiers...

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Veröffentlicht in:Journal of science and medicine in sport 2020-05, Vol.23 (5), p.529-534
Hauptverfasser: Conkright, William R., Barringer, Nicholas D., Lescure, Paula B., Feeney, Kimberly A., Smith, Martha A., Nindl, Bradley C.
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Sprache:eng
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Zusammenfassung:To investigate tactically-related physical performance and body composition recovery following U.S. Army Ranger training. Prospective cohort. Physical performance was comprehensively assessed using a tactically-related performance battery (i.e., Ranger Athlete Warrior assessment) in 10 male Soldiers at baseline (BL) two-weeks (P1), and six-weeks (P2) post-Ranger School. Body composition was determined using DXA. A one-way repeated measures ANOVA was used followed by Bonferroni-adjusted pairwise comparisons when group differences existed (p≤0.05). Pearson correlation coefficients were used to establish associations between changes in fitness and body composition. All performance domains except the bench press and deadlift worsened following training. Speed/mobility (Illinois agility test, seconds – BL: 16.20±0.86 vs. P2: 18.66±2.09), anaerobic capacity (300-yard shuttle run, seconds – BL: 62.95±6.17 vs. P2: 67.23±5.91), core strength (heel clap, repetitions – BL: 15.80±4.08 vs. P2: 11.50±4.95), and aerobic endurance (beep test, stage – BL: 9.95±2.18 vs. P2: 7.55±1.07) had not recovered by P2. Only upper body muscular endurance and strength (metronome push-up and pull-up, respectively) were similar to BL by P2. Percent body fat increased from 15.62±3.94 (BL) to 19.33±2.99 (P2) (p
ISSN:1440-2440
1878-1861
DOI:10.1016/j.jsams.2019.12.010