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Article

Assessment of the Levels of Oxidative Stress, Muscle Damage, and Psychomotor Abilities of Special Force Soldiers during Military Survival Training

1
Department of Physical Education and Sport, Faculty of Physical Education and Health in Biała Podlaska, Józef Piłsudski University of Physical Education in Warsaw, 00-968 Warsaw, Poland
2
Department of Natural Sciences, Faculty of Physical Education and Health in Biała Podlaska, Józef Piłsudski University of Physical Education in Warsaw, 00-968 Warsaw, Poland
3
Department of Education for Security, Faculty of National Security, War Studies University in Warsaw, 00-910 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(13), 4886; https://doi.org/10.3390/ijerph17134886
Received: 19 May 2020 / Revised: 1 July 2020 / Accepted: 6 July 2020 / Published: 7 July 2020
The aim of this study was to analyze the changes in biochemical markers of oxidative stress and muscle damage, as well as psychomotor abilities during a military survival training. The study included 15 soldiers of special unit (SU), that completed 48 h military survival training combined with sleep deprivation. Before the training (P1), after 24 h (P2), and after 48 h of training (P3), blood samples were taken to measure biochemical markers. At the same time points, the measurements of divided attention and handgrip strength were conducted. Glutathione peroxidase activity decreased significantly at P3, in comparison with P1 and P2 (p < 0.0001), however, no changes were observed in other biochemical markers (i.e., lipid hydroperoxides, creatine kinase and superoxide dismutase activity) throughout the survival training (p > 0.05). The divided attention index was improved significantly at P2 and P3, as compared to P1 (p < 0.05). A tendency to change in maximum strength was found during the training period (main time effect; p = 0.08). Moreover, the strength differentiation (i.e., 50% maximum strength; 50%max) was higher at P3 than at P1 and P2 (p < 0.05). In conclusion, the 48 h survival training in the SU soldiers does not cause oxidative stress or muscle tissue damage, as well as any deterioration, and even improvement in psychomotor abilities. However, the change in strength differentiation (i.e., the production above 60%max instead of target 50%max) after the training may point to deterioration in motor control. Although it should be confirmed in further study with a more numerous group of soldiers, our findings indicate that the special unit soldiers will be able to perform, in a correct manner, specialized tasks related to their long-term activities, especially those which require divided attention. However, participation in long-term survival training, even with low workload, combined with sleep deprivation, results in a deterioration in motor control which may indicate the relevance of monitoring coordination motor abilities/skills in the training process of special unit soldiers. View Full-Text
Keywords: sleep deprivation; divided attention; forearm strength; prooxidant–antioxidant homeostasis; lipid peroxidation sleep deprivation; divided attention; forearm strength; prooxidant–antioxidant homeostasis; lipid peroxidation
MDPI and ACS Style

Różański, P.; Jówko, E.; Tomczak, A. Assessment of the Levels of Oxidative Stress, Muscle Damage, and Psychomotor Abilities of Special Force Soldiers during Military Survival Training. Int. J. Environ. Res. Public Health 2020, 17, 4886. https://doi.org/10.3390/ijerph17134886

AMA Style

Różański P, Jówko E, Tomczak A. Assessment of the Levels of Oxidative Stress, Muscle Damage, and Psychomotor Abilities of Special Force Soldiers during Military Survival Training. International Journal of Environmental Research and Public Health. 2020; 17(13):4886. https://doi.org/10.3390/ijerph17134886

Chicago/Turabian Style

Różański, Paweł, Ewa Jówko, and Andrzej Tomczak. 2020. "Assessment of the Levels of Oxidative Stress, Muscle Damage, and Psychomotor Abilities of Special Force Soldiers during Military Survival Training" International Journal of Environmental Research and Public Health 17, no. 13: 4886. https://doi.org/10.3390/ijerph17134886

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