Clinical, open, quasi-experimental before and after study
Estimación del consumo máximo de oxígeno mediante pruebas de ejercicio maximales y submaximales
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Scientific evidence supports the need to establish objective parameters in accordance with the Colombian population to evaluate aerobic capacity and validate the applicability of step tests under the determined relationship between the measurement of maximum oxygen consumption maximally, and its estimation indirectly. and submaximal. Therefore, we sought to establish the relationship between the oxygen consumption values measured during a maximum effort test and the oxygen consumption values estimated from stress tests.
submaximal. A descriptive correlational study was carried out in a sample of 24 subjects, 21 women and 3 men, aged between 19 and 33 years of age, selected through non-probabilistic sampling of intentional or convenience type. Statistical analysis for related designs using non-parametric Wilcoxon tests and Spearman correlation coefficient. The level of statistical significance considered was p<0.05 with a confidence level of 95%. By comparing each of the submaximal step tests with the maximal cycle ergometer test, it was identified that there is a relationship in the VO2max results obtained in
cycle ergometer and those of the Three Minute test where p>0.05 (p=0.530). In the percentages of work achieved, it was identified that there are no statistically significant differences between the step tests (Queens and Three minutes) (P=0.867; P>0.05) and that between the percentage of the HR of the cycle ergometer compared to each of the step tests if there are differences (P=0.000; P<0.05). When establishing the relationship between the percentage of heart rate and maximum oxygen consumption, it was found that for the cycle ergometer tests and the Three-minute step test P>0.05 (P=0.120 and P=0.252, respectively), there are no differences significant. On the contrary, the P value for the Queen's College test was lower than the level of significance determined P=0.000 (P<0.05), which allows us to verify that there are significant differences between % HR and VO2max
estimated, therefore there is no correlation between the variables compared for this step test. The VO2 values obtained using the regressive equation for the Queen's College test have little relationship with the data from the maximal cycle ergometer test and the Three-minute step test, recognizing the need to establish more measurements on a larger sample. , in order to extrapolate the data and generate a linear regression equation for this particular population.
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