Metabolic equivalents intensity thresholds for physical activity classification in older adults
European Review of Aging and Physical Activity(2024)
摘要
Although the metabolic equivalents (METs) system is a common procedure to quantify the intensity of physical activity in older adults, it remains unclear whether the conventional METs intensity thresholds (CTs) used for this purpose are appropriate in this population. Therefore, this study aimed (i) to derive overall and fitness-specific METs intensity thresholds in older adults ≥ 60 years old (OATs) expressed both in standard METs (VO2/3.5 mL O2·kg−1·min−1) and older adults METs60+ (VO2/2.7 mL O2·kg−1·min−1), and (ii) to compare them with the CTs. A total of 93 subjects were assessed for cardiorespiratory fitness. Graded exercise test protocols using indirect calorimetry were performed to calculate individual VO2max and categorize subjects as "very poor/fair" or "good/superior" fitness. Overall and fitness-specific OATs expressed in standard METs (OATsstandard) and METs60+ (OATs60+) were derived based on the
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关键词
Exercise,Metabolic equivalents,Energy expenditure,Older population,Cut-off points
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