期刊
RESEARCH IN SPORTS MEDICINE
卷 31, 期 2, 页码 157-170出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15438627.2021.1954513
关键词
Exercise test; heart rate recovery; cardiorespiratory fitness; vagal reactivity
This study proposes a cross-sectional study based on 980 maximal effort tests to investigate the effect of heart rate recovery (HRR) calculation methods on its association with cardiorespiratory fitness (CRF). The results show that there is no significant association between HRR indices based on exponential regression and CRF. However, other HRR indices are associated with CRF when t(0) is at least 1 minute, with the strongest association observed at t(0) = 2 minutes for females and t(0) = 3 minutes for males.
We propose a cross-sectional study based on 980 maximal effort tests to quantify the effect of the calculation method of heart rate recovery (HRR) on its association with cardiorespiratory fitness (CRF). For five different time t(0) after exercise cessation, HRR has been calculated as: the difference and the ratio between maximal measured heart rate and heart rate (HR) at t(0) HR at t(0) the decay time of an exponential decay encompassing the first t(0) minutes of the HR recovery. The associations between HRR indices and CRF were estimated from generalized estimating equations stratified by gender and adjusted for age and body mass index. For HRR indices based on exponential regression, no significant association with CRF was found, whereas the other HRR indices are associated with CRF when t(0) is at least 1 minute and is maximum for t(0) = 2 minutes for females and t(0) = 3 minutes for males.
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