Effects of exercise before or after meal ingestion on fat balance and postprandial metabolism in overweight men

Nor Farah Mohamad Fauzi, Jason M R Gill

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

It is unclear how timing of exercise relative to meal ingestion influences substrate balance and metabolic responses. The present study aimed to compare the effects of exercise performed before or after breakfast on fat balance and postprandial metabolism. A total of ten sedentary overweight men (aged 28·1 (sem 10·7) years, BMI 29·0 (sem 2·8) kg/m 2) underwent three trials in random order involving: (1) performing no exercise (CON), or walking for 60 min at 50 % maximal O2 uptake either (2) before (Ex-Meal) or (3) after (Meal-Ex) consuming a standardised breakfast meal. In each trial an ad libitum lunch was provided 3·5 h after breakfast. Substrate utilisation was assessed by indirect calorimetry and blood was taken at regular intervals over an 8·5 h observation period. At the end of the observation period, fat balances in the Ex-Meal (-1043 (sem 270) kJ) and Meal-Ex (-697 (sem 201) kJ) trials were both significantly lower than CON (204 (sem 165) kJ) and fat balance in the Ex-Meal trial was significantly lower than in the Meal-Ex trial (all P

Original languageEnglish
Pages (from-to)2297-2307
Number of pages11
JournalBritish Journal of Nutrition
Volume109
Issue number12
DOIs
Publication statusPublished - 28 Jun 2013

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Meals
Eating
Fats
Exercise
Breakfast
Observation
Indirect Calorimetry
Lunch
Walking

Keywords

  • Ad libitum energy intake
  • Appetite
  • Energy balance
  • Exercise
  • Fat balance
  • Postprandial metabolism

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Effects of exercise before or after meal ingestion on fat balance and postprandial metabolism in overweight men. / Mohamad Fauzi, Nor Farah; Gill, Jason M R.

In: British Journal of Nutrition, Vol. 109, No. 12, 28.06.2013, p. 2297-2307.

Research output: Contribution to journalArticle

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