Indirect calorimetry is the method by which the type and rate of substrate utilization, and
energy metabolism are estimated in vivo starting from gas exchange measurements. This …

More than 30 different methods have been used to assess physical activity. These methods
can be grouped into seven major categories: calorimetry, job classification, survey …

Daily human energy requirements calculated from separate components of energy
expenditure are inaccurate and usually in poor agreement with measured energy intakes …

In recent years there has been renewed interest in possible differences in energy
expenditure between lean and obese subjects(1-3). It has been suggested that the obese …

Direct calorimetry is the gold standard means of measuring human metabolic rate and its
use has been fundamental for understanding metabolism in health and disease. While …

Heat balance in humans is maintained at near constant levels through the adjustment of
physiological mechanisms that attain a balance between the heat produced within the body …

Total daily energy expenditure (TDEE) and energy expended in activity (EAC) were
estimated by the minute-by-minute heart-rate method in 22 (16 men, 6 women) individually …

Since females have a greater prevalence of obesity compared with males, the question
arises whether females have lower metabolic rate than males after adjusting for differences …

This report describes the prevalence and pattern of exercise during pregnancy among US
women. It is based on 9953 randomly selected women who gave birth to live infants in 1988 …

1. Eight women were studied under metabolic-ward conditions while consuming a constant
diet throughout a single menstrual cycle. Basal body temperature, salivary and urinary …