Abstract
Aim: This study aimed to verify the reproducibility of an endurance test for master swimmers. Methods: Seventeen male swimmers, aged from 30 to 50 years (35.06 ± 5.36), weight (78.71 ± 13.06 kg), height (174.35 ± 0.07 cm), participated in this study. The participants underwent the Progressive Swim Test (PSwT), which corresponds to swimming progressively to exhaustion in a 25-meter pool, guided by the recording of sound signals indicating the swimming rhythm. We verified the following variables: heart rate before the test (BHR) and right after the end of the test (AHR), followed by the rate of perceived exertion (RPE) and a total of laps performed (SN - swimming number). For comparison between the three days of tests, the one-way repeated measures ANOVA with Tukey's Post-Hoc was performed. Relative reproducibility was performed by the r test and the intraclass correlation coefficient (ICC). Absolute reproducibility was determined using the coefficient of variation (CV) and the confidence interval (CI). Results: The results showed high reproducibility in (PSwT) in master swimmers in the analyzed variables of intergroup and intragroup with relative reproducibility of r > 0.60 and ICC > 0.70 and absolute reproducibility with CI 95% (lower −1.10 and upper 0.99) and CV < 10%. Most of the cases were within the limits of agreement of the Bland-Altman tests, all variables were considered a level of significance with (p <0.05). Conclusion: The Progressive Swim Test (PSwT) is a reproducible instrument in the assessment of endurance in master swimmers.
Highlights
Swimming is a physical exercise that provides numerous health benefits
The diagnosis of health status by the assessment of cardiorespiratory fitness is an aspect of great value when it is intended to measure the risks of cardiovascular diseases and the increase in life expectancy[7,8]
The results showed high reproducibility in the Progressive Swim Test (PSwT) in the variables analyzed when applied to master swimmers on different days by different evaluators, considering the same analysis conditions performed in young adult swimmers[18,19,20], the values obtained were lower than the findings in this study
Summary
Swimming is a physical exercise that provides numerous health benefits When performed regularly, it causes significant decreases in systolic and diastolic pressures, improvement of glycemic control, cardiorespiratory and musculoskeletal conditions, as well as, the general health status of swimmers[1,2,3]. It causes significant decreases in systolic and diastolic pressures, improvement of glycemic control, cardiorespiratory and musculoskeletal conditions, as well as, the general health status of swimmers[1,2,3] It is a motor activity composed of various contexts and objectives, adding the competitive and non-competitive sport, leisure, and health, and can be practiced by different age groups[4]. Swimming is a regular and systematic aerobic exercise It presents as a measure of prevention and treatment against the impairment on the body's systems, improving the quality of life of swimmers[5,6]. The diagnosis of health status by the assessment of cardiorespiratory fitness is an aspect of great value when it is intended to measure the risks of cardiovascular diseases and the increase in life expectancy[7,8]
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