Summary
The present study was performed to determine whether differences in non-exercise daily energy expenditure (M d,ne) exist between trained and untrained individuals. The data from seven cross-country skiers were compared with those from eight sedentary men. Daily energy expenditure (M d) was determined using the heart rate-oxygen consumption relationship; resting metabolic rate (M r) was measured using indirect calorimetry. A physical activity questionnaire and ratios of M d or M d,ne to M r were used as indices of physical activity. M d and M r were significantly higher in the trained subjects whereas M d,ne was identical in the two groups. The ratio of M d,ne to M r and the data from the physical activity questionnaire showed that there was no significant difference in daily energy expenditure and physical activity pattern during the non-exercise time. These results suggest that the exercise-induced increase in daily energy requirements is not compensated by a more sedentary life during the other daily activities in these trained men.
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Alméras, N., Mimeault, N., Serresse, O. et al. Non-exercise daily energy expenditure and physical activity pattern in male endurance athletes. Eur J Appl Physiol 63, 184–187 (1991). https://doi.org/10.1007/BF00233845
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DOI: https://doi.org/10.1007/BF00233845