Effects of military basic training on VO2max, body composition, muscle strength and neural responses in conscripts of different aerobic condition
Salo, K., Piirainen, J. M., Tanskanen-Tervo, M. M., Kyröläinen, H., Huovinen, J., & Linnamo, V. (2019). Effects of military basic training on VO2max, body composition, muscle strength and neural responses in conscripts of different aerobic condition. Biomedical Human Kinetics, 11(1), 167-174. https://doi.org/10.2478/bhk-2019-0023
Published inBiomedical Human Kinetics
DisciplineBiomekaniikkaLiikuntafysiologiaValmennus- ja testausoppiBiomechanicsExercise PhysiologyScience of Sport Coaching and Fitness Testing
© 2019 University of Physical Education, Warsaw, Poland
Study aim: The purpose of this study was to evaluate neuromuscular adaptations in conscripts with different fitness levels (VO2max) during 8 weeks of military basic training (BT). Material and methods: Twenty-four male conscripts (18–21 years) were divided into two groups (Good Fitness [GF] and Low fitness [LF]) based on their VO2max at the beginning of BT. Body mass (BM), fat free mass (FFM) and Fat% were measured after 2, 4, and 7 weeks of training. VO2max, maximal isometric leg press force (MVC), H-reflex (Hmax/Mmax) at rest and V-wave (V/Mmax) during maximal isometric plantarflexion were measured from the soleus muscle at the beginning, after 5, and after 8 weeks of training. Results: FFM decreased significantly in LF after 7 weeks of training (–3.0 ± 1.7%, p < 0.001), which was not observed in GF. Both GF (6.9 ± 4.6%, p < 0.01) and LF (5.7 ± 4.6%, p < 0.01) showed improved VO2max after 5 weeks, with no changes during the last 3 weeks. A main effect of training was observed in decreased leg press MVC (–7.3 ± 9.3%, F = 4.899, p < 0.05), with no between-group differences. V-wave was significantly lower in LF during 5 (–37.9%, p < 0.05) and 8 (–44.9%, p < 0.05) weeks. Conclusion: Poor development of the neuromuscular system during BT suggests that explosive and/or maximal strength training should be added to the BT protocol for all conscripts regardless of fitness level. In addition, individualized training periodization should be considered to optimize the training load. ...
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- Liikuntatieteiden tiedekunta 
Additional information about fundingThe study was granted by the Finnish Ministry of Education and Culture and the Scientific Advisory Board for Defence.
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