期刊
MILITARY MEDICINE
卷 178, 期 2, 页码 234-238出版社
OXFORD UNIV PRESS
DOI: 10.7205/MILMED-D-12-00276
关键词
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资金
- Scientific Advisory Board for Defence
- Ministry of Education, Finland
- Foundation of Sport Institute
- Foundation of Werner Hacklin
Predicted maximal oxygen uptake (VO(2)max) measurements are based on the assumption of linear relationship between heart rate or power output and oxygen consumption during various intensities. To develop more reliable predicted test for soldiers, the purpose of the present study was to compare the results of direct measurements of VO(2)max to respective predicted values in cycling (Military Fitness Test). The predicted mean (+/- SD) peak oxygen uptake (VO(2)peak) value was 45.2 +/- 7.7 mL kg(-1) min(-1) during first week, whereas the respective direct value was 44.8 +/- 8.5 mL kg(-1) min(-1). During the ninth week, the predicted and measured mean (+/- SD) VO2max values were47.4 +/- 6.7 mL kg(-1) min(-1) and 48.7 +/- 7.3 mL kg(-1) min(-1), respectively. The absolute differences between the methods were -0.42 mL kg(-1) min(-1) (p = 0.46) and 1.28 mL kg(-1) min(-1) (p < 0.05), which correspond to relative values of 0.9% and 2.7%, respectively. A Bland-Altman plot of measured VO(2)max and predicted VO(2)max showed no significant trend between the mean and the difference of the 2 methods either before (r = 0.14, p = 0.24) or after the basic military training period (r = 0.11, p = 0.36). Intraclass correlation coefficient varied between r = 0.82 to 0.94. In conclusion, the predicted protocol is fairly accurate (+/- 3%) and reliable to predict VO(2)max values in male soldiers but the use for clinical purposes should be considered individually.
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