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GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE

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Gazzetta Medica Italiana Archivio per le Scienze Mediche 2013 March;172(3):163-8

Copyright © 2013 EDIZIONI MINERVA MEDICA

language: English

Speed of movement in dependence of weight of accoutrements in the group of military students

Bielik V. 1, Papay J. 2

1 Faculty of Physical Education and Sports, Comenius University, Bratislava, Slovakia; 2 The Institute of Physical Education and Sport, The Academy of the Armed Forces of General M. R. Štefánik, Liptovský Mikuláš, Slovakia


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Aim: Optimal weight of load carriage in elite soldiers is the subject of intense debate and is of great interest to the military. The purpose of the present study was to examine speed of movement (SM), heart rate (HR) and blood lactate (BL) in dependence of three different accoutrements weights (20, 30 and 40 kg vest) at the intensity of aerobic (AT) and anaerobic threshold (ANT).
Methods: Male students (N.=14) of Armed Forces Academy (Slovakia) completed incremental field testing with different weights of vest on three different occasions. HR, BL, and SM at AT and ANT were recorded at each stage of the protocol.
Results: When comparing data for 20-kg and 30-kg vest, there was a significant difference in SM at AT (6.67±0.18 vs. 6.13±0.18 kph; P<0.01) and ANT (8.35±0.31 vs. 7.36±0.24 kph; P<0.01). There was no significant difference in SM between 30-kg and 40-kg vest at AT and ANT. There were no significant differences in HR and BL between all distinct weights of load carriage neither at AT nor at ANT.
Conclusion: In the present study, the speed of movement at aerobic and anaerobic threshold differed according to accoutrements weight. However, heart rate and blood lactate concentration at aerobic and anaerobic threshold were not significantly different.

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