4.6 Article

Similar Slow Component of Oxygen Uptake and Ventilatory Efficiency between an Aerobic Dance Session on an Air Dissipation Platform and a Constant-Load Treadmill Test in Healthy Women

Journal

BIOLOGY-BASEL
Volume 11, Issue 11, Pages -

Publisher

MDPI
DOI: 10.3390/biology11111646

Keywords

oxygen uptake kinetics; VE.VCO2-1 slope; cardiorespiratory responses; blood lactate; rating of perceived exertion; cardiopulmonary exercise test

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This study compared the oxygen consumption, ventilatory efficiency, and blood lactate concentration between aerobic dance on an air dissipation platform and treadmill constant-load test. The results showed no significant differences in oxygen consumption and ventilatory efficiency between the two exercise modes, but higher blood lactate concentrations were observed during aerobic dance on an air dissipation platform at 10 and 20 minutes.
There is a lack of evidence about the slow component of oxygen consumption (V.O-2sc) and ventilatory efficiency (slope VE.VCO2-1) during an aerobic dance (AD) session on an air dissipation platform (ADP) despite the key role played in endurance exercises. This research was designed to assess V.O-2sc, ventilatory efficiency, and blood lactate concentration by comparing two exercise modes: AD session on an ADP versus treadmill test at a constant-load intensity of the first ventilatory threshold (VT1). In the first session, an incremental treadmill test was completed. In sessions 2 and 3, the participants were randomly assigned to the AD session on an ADP or to a treadmill constant-load test at VT1 intensity to determine their cardioventilatory responses. In addition, their blood lactate levels and ratings of perceived exertion (RPE, CR-10) were evaluated. No significant differences were found between the constant-load treadmill test and AD session on an ADP with respect to V.O-2sc, VE VCO2-1 slope, and RPE (p > 0.05). Higher blood lactate concentrations were observed in an AD session on an ADP than in a constant-load treadmill test at 10 min (p = 0.003) and 20 min (p < 0.001). The two different exercise modalities showed similar V.O-2sc and VE.VCO2-1 slope, even though the blood lactate concentrations were different.

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