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Differences in Training Adaptations of Endurance Performance during Combined Strength and Endurance Training in a 6-Month Crisis Management Operation

Author

Listed:
  • Kai Pihlainen

    (Training Division, Defence Command, P.O. Box 919, 00131 Helsinki, Finland)

  • Keijo Häkkinen

    (Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, P.O. Box 35 (VIV), 40014 Jyväskylä, Finland)

  • Matti Santtila

    (Department of Military Pedagogy and Leadership, National Defence University, P.O. Box 7, 00861 Helsinki, Finland)

  • Jani Raitanen

    (Faculty of Social Sciences (Health Sciences), Tampere University, P.O. Box 100, 33014 Tampere, Finland
    UKK Institute for Health Promotion Research, P.O. Box 30, 33501 Tampere, Finland)

  • Heikki Kyröläinen

    (Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, P.O. Box 35 (VIV), 40014 Jyväskylä, Finland
    Department of Military Pedagogy and Leadership, National Defence University, P.O. Box 7, 00861 Helsinki, Finland)

Abstract

Decreases in aerobic fitness during military operations have been observed in several studies. Thus, differences in training adaptations during a 6-month crisis-management operation were compared by using the change in endurance performance as the outcome measure. Sixty-six male soldiers volunteered for the study, consisting of pre–post assessments of blood biomarkers, body composition, physical performance, and the military simulation test (MST) performance. Physical training volume was self-reported. After the follow-up, the data were divided based on individual changes in endurance performance. Endurance performance was improved in the high-responder group (HiR, n = 25) and maintained or decreased in the low-responder group (LoR n = 24). During the operation, the LoR group decreased while the HiR group increased their endurance training frequency from the pre-deployment level (Δ 28 ± 57% vs. −40 ± 62%, p = 0.004). Fat mass decreased (−7.6 ± 11.7% vs. 14.2 ± 20.4%, p < 0.001), and 1-min push-up (27.7 ± 21.9% vs. 11.7 ± 26.1%, p = 0.004) and MST performance improved (−13.6 ± 6.8% vs. −7.5 ± 6.5%, p = 0.006) more in the HiR group. No differences were observed in the changes of other physical performance test results or analyzed biomarkers. In conclusion, soldiers who were initially leaner and fitter in terms of lower body strength and power were more likely to decrease their aerobic fitness during the operation.

Suggested Citation

  • Kai Pihlainen & Keijo Häkkinen & Matti Santtila & Jani Raitanen & Heikki Kyröläinen, 2020. "Differences in Training Adaptations of Endurance Performance during Combined Strength and Endurance Training in a 6-Month Crisis Management Operation," IJERPH, MDPI, vol. 17(5), pages 1-13, March.
  • Handle: RePEc:gam:jijerp:v:17:y:2020:i:5:p:1688-:d:328843
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    Cited by:

    1. Denisse Bustos & Joana C. Guedes & Mário P. Vaz & Eduardo Pombo & Ricardo J. Fernandes & José Torres Costa & João Santos Baptista, 2021. "Non-Invasive Physiological Monitoring for Physical Exertion and Fatigue Assessment in Military Personnel: A Systematic Review," IJERPH, MDPI, vol. 18(16), pages 1-28, August.

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