Energy expenditure during heavy sustained exercise
نویسندگان
چکیده
منابع مشابه
Energy Expenditure at Rest and During Exercise
The immediate source for muscle contraction is delivered from splitting of adenosine triphosphate (ATP) to adenosine diphosphate (ADP) and a ‘free’ phosphate ion (P). This reaction is very fast and does not normally limit energy turnover andmuscle performance. However, the ATP stores in the muscles are very limited. The whole ATP pool would be emptied in only a few seconds of muscle contraction...
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PURPOSE Noninvasive imaging of oxygen uptake may provide a useful tool for the quantification of energy expenditure during human locomotion. A novel thermal imaging method (optical flow) was validated against indirect calorimetry for the estimation of energy expenditure during human walking and running. METHODS Fourteen endurance-trained subjects completed a discontinuous incremental exercise...
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Energy expenditure was measured in four geldings (433 to 520 kg) during submaximal exercise on a racetrack using a mobile open-circuit indirect respiration calorimeter. A total of 304 5-min measurements of O2 consumed and CO2 produced were taken. Measurements were made with and without riders. The amount of energy expended by the horses was exponentially related to speed and was proportional to...
متن کاملEnergy expenditure during overfeeding
The large inter-individual variation in weight gain during standardized overfeeding together with a weight gain that is often less than theoretically calculated from the energy excess suggest that there are differences between persons in the capacity to regulate energy expenditure and hence metabolic efficiency. Adaptive thermogenesis is defined as the regulated production of heat in response t...
متن کاملEnergy expenditure during stepping.
Previous studies from this department have emphasized the wide variations occurring amongst healthy young adults, both in the daily intake of energy as judged by records of food consumption, and in energy expenditure recorded by indirect calorimetry, for a set task such as walking under standard conditions (Kitchin and others, 1949; Delbue and others, 1949). Although no correlation was demonstr...
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ژورنال
عنوان ژورنال: Reproduction Nutrition Development
سال: 1997
ISSN: 0926-5287
DOI: 10.1051/rnd:19970353