Creating an acute energy deficit without stimulating compensatory increases in appetite: is there an optimal exercise
Kevin Deighton1, David J Stensel2
1School of Sport, Leeds Metropolitan University, Leeds LS6 3QS, UK.
The Proceedings of the Nutrition Society
|April 11, 2014
Summary
Exercise, particularly endurance activity, does not increase appetite or energy intake on the same day. The energy cost of exercise is the main factor influencing fat loss during training programs.
Area of Science:
- Exercise physiology
- Appetite regulation
- Energy balance
Background:
- Growing public and scientific interest in exercise's effects on appetite and energy intake.
- Previous research has yielded varied results on exercise and subsequent food consumption.
Purpose of the Study:
- To review the current scientific consensus on how acute exercise influences appetite and energy intake.
- To determine the primary drivers of energy balance in response to exercise.
Main Methods:
- Systematic review of existing scientific literature on exercise and appetite.
- Analysis of studies examining land-based endurance exercise and supramaximal exercise protocols.
Main Results:
- A consensus exists that acute land-based endurance exercise does not increase appetite or energy intake on the day of the activity.
- Preliminary evidence suggests supramaximal exercise may transiently increase appetite perceptions.
- Daily energy balance is predominantly influenced by the energy expended during exercise.
Conclusions:
- Short-term energy intake is largely insensitive to acute exercise.
- Energy expenditure from exercise is the most significant predictor of fat loss in exercise programs.
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