Why the study?
Defining exercise intensity using percentages of peak HR and peak VO2 may misclassify effective intensity, with discrepancies particularly relevant in cardiac patients.
Does a ventilatory threshold-based approach improve the definition of aerobic exercise intensity compared to a range-based approach in cardiac patients and healthy subjects?
Does a ventilatory threshold-based approach improve the definition of aerobic exercise intensity compared to a range-based approach in cardiac patients and healthy subjects?
Using ventilatory thresholds rather than peak HR or VO2 percentages provides a more accurate definition of aerobic exercise intensity, which is especially important for prescribing exercise in cardiac patients.
May warrant ventilatory threshold-based intensity in cardiac patients; leaves open randomized confirmation of superiority.
EI definition based on percentages of peak HR and peak VO₂ may misclassify the effective EI, and the discrepancy between the individually determined and the recommended EI is particularly relevant in cardiac patients. A ventilatory threshold-based rather than a range-based approach is advisable to define an appropriate level of EI.
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Anselmi et al. (2021) studied this question.
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