Lower-body muscular power predicts performance on urban combat simulation
Sankari, M., Vaara, J. P., Pihlainen, K., Ojanen, T., & Kyröläinen, H. (2024). Lower-body muscular power predicts performance on urban combat simulation. Work, 77(4), 1331-1340. https://doi.org/10.3233/wor-230239
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2024Copyright
© 2024 IOS Press
BACKGROUND: Military operations in urban environments requires faster movements and therefore may place greater demands on soldier strength and anaerobic ability.
OBJECTIVE: The aim was to study how physical fitness and body composition are associated with occupational test for urban combat soldiers before and after a 5-day military field exercise (MFE).
METHODS: Twenty-six conscripts (age = 20±1 yrs.) volunteered, of which thirteen completed the study. Occupational performance was determined by using the newly developed Urban Combat Simulation test (UCS); which included 50-m sprinting, moving a truck tire (56 kg) 2 meters with a sledgehammer, a 12-m kettlebell carry (2×20 kg) up the stairs with a 3-m ascent, 4-time sandbag lifts (20 kg) with obstacle crossing, and a 20-m mannequin (85 kg) drag. Aerobic and muscle fitness, as well as anaerobic capacity were measured, and, body composition was assessed with multifrequency bioimpedance analysis.
RESULTS: The UCS performance correlated significantly with standing long jump performance, as well as lower and upper body maximal strength before (r = –0.56 to –0.66) and after (r = –0.59 to –0.68) MFE, and, with body mass and FFM before (r = –0.81 to –0.83) and after (r = –0.86 to –0.91) MFE. In the regression analyses, fat free mass (R2 = 0.50, p = 0.01) and counter movement jump in combat load (R2 = 0.46, p = 0.009) most strongly explained the UCS performance.
CONCLUSION: This study demonstrated that muscle mass and lower body explosive force production together with maximal strength are key fitness components related to typical urban combat soldiers‘ military tasks. Physical training developing these components are recommended.
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