Accumulated physical activity and the association with obesity, fitness, and cardiometabolic risk factors in healthy adults
OBESITY(2024)
摘要
Objective: This study examined the prevalence of >= 150 min/wk of moderate-to-vigorous physical activity (MVPA) using different criteria for bout length and to examine associations with measures of obesity, cardiorespiratory fitness, and cardiometabolic risk factors in healthy adults with overweight or obesity.Methods: Baseline data from healthy adults (N = 375; age [mean +/- standard deviation] = 45.2 +/- 7.7 years; BMI = 32.3 +/- 3.8 kg/m(2)) enrolled in a behavioral weight-loss intervention were examined cross-sectionally. Categorization was by objectively measured MVPA as follows: 1) LOW-MVPA: <150 min/wk (n = 122, 32.5%); 2) MVPA-NON-BOUTED: >= 150 min/wk in bouts < 10 min (n = 72, 19.2%); 3) MVPA-COMBINED: >= 150 min/wk with a combination of bouts < 10 and >= 10 min (n = 50, 13.3%); and 4) MVPA-BOUTED: >= 150 min/wk with bouts >= 10 min (n = 131, 34.9%).Results: Weight, BMI, and waist circumference were higher in the LOW-MVPA category versus the other categories. Body fatness was significantly lower in the MVPA-BOUTED category compared with the LOW-MVPA category (p < 0.05). Differences by category for cardiorespiratory fitness and cardiometabolic risk factors were limited.Conclusions: Some adults with overweight or obesity may be more active than they perceived themselves to be, and accumulation of >= 150 min/wk of MVPA may have favorable effects on weight and adiposity status. Findings may influence physical activity recommendations, and confirmation with prospective and randomized studies is needed.
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