Relationship between Measured Aerobic Capacity and Total Energy Expenditure Obtained by the Doubly Labeled Water Method in Community-Dwelling, Healthy Adults Aged 81–94 Years
Copyright policy )Relationship between Measured Aerobic Capacity and Total Energy Expenditure Obtained by the Doubly Labeled Water Method in Community-Dwelling, Healthy Adults Aged 81–94 Years
The doubly labeled water method is a gold-standard method for the measurement of total energy expenditure in daily life. We aimed to identify the relationship between measured aerobic capacity and total energy expenditure, activity energy expenditure, or physical activity level using the doubly labeled water method in adults of advanced old age. A total of 12 physically independent older adults (10 men and 2 women), aged 81–94 years, participated in this study. The aerobic capacity was evaluated according to the lactate threshold. Total energy expenditure under free-living conditions was assessed using the doubly labeled water method, and self-reported physical activity was obtained using the Japanese version of the International Physical Activity Questionnaire. The lactate threshold was significantly positively correlated with total energy expenditure, activity energy expenditure, and physical activity level after adjusting for age and sex. We found that the aerobic capacity of the lactate threshold was positively and independently correlated with total energy expenditure, activity energy expenditure, or physical activity level. The present results suggest that maintaining aerobic capacity is an important factor in preventing frailty, although further research is required.
- Fukuoka University Japan
- University of Tsukuba Japan
- University of East Asia Japan
- University of East Asia Japan
- Fukuoka University Japan
RC952-954.6, lactate threshold, total energy expenditure, doubly labeled water, Article, doubly labeled water; total energy expenditure; physical activity level; lactate threshold; physical fitness; International Physical Activity Questionnaire, Geriatrics, physical fitness, physical activity level, International Physical Activity Questionnaire
RC952-954.6, lactate threshold, total energy expenditure, doubly labeled water, Article, doubly labeled water; total energy expenditure; physical activity level; lactate threshold; physical fitness; International Physical Activity Questionnaire, Geriatrics, physical fitness, physical activity level, International Physical Activity Questionnaire
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