Effects of an acute bout of aerobic exercise on immediate and subsequent three-day food intake and energy expenditure in active and inactive pre-menopausal women taking oral contraceptives

ROCHA, Joel, PAXMAN, Jenny, DALTON, Caroline, WINTER, Edward and BROOM, David (2015). Effects of an acute bout of aerobic exercise on immediate and subsequent three-day food intake and energy expenditure in active and inactive pre-menopausal women taking oral contraceptives. Appetite, 89 (1), 183-191.

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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Link to published version:: https://doi.org/10.1016/j.appet.2015.02.005

Abstract

This study examined the effects of an acute bout of exercise of low-intensity on food intake and energy expenditure over four days in women taking oral contraceptives. Twenty healthy, active (n=10) and inactive (n=10) pre-menopausal women taking oral contraceptives completed two conditions (exercise and control), in a randomised, crossover fashion. The exercise experimental day involved cycling for one hour at an intensity equivalent to 50% of maximum oxygen uptake and two hours of rest. The control condition comprised three hours of rest. Participants arrived at the laboratory fasted overnight; breakfast was standardised and an ad libitum pasta lunch was consumed on each experimental day. Participants kept a food diary to measure food intake and wore an Actiheart to measure energy expenditure for the remainder of the experimental days and over the subsequent 3 days. There was a condition effect for absolute energy intake (exercise vs. control: 3363±668kJ vs. 3035±752kJ; p=0.033, d=0.49) and relative energy intake (exercise vs. control: 2019±746kJ vs. 2710±712kJ; p<. 0.001, d=-1.00) at the ad libitum lunch. There were no significant differences in energy intake over the four days in active participants and there was a suppression of energy intake on the first day after the exercise experimental day compared with the same day of the control condition in inactive participants (mean difference=-1974kJ; 95% CI -1048 to -2900kJ, p=0.002, d=-0.89). There was a group effect (. p=0.001, d=1.63) for free-living energy expenditure, indicating that active participants expended more energy than inactive participants during this period. However, there were no compensatory changes in daily physical activity energy expenditure. These results support the use of low-intensity aerobic exercise as a method to induce a short-term negative energy balance in inactive women taking oral contraceptives.

Item Type: Article
Additional Information: Published as Gold open access. Paid by Engineering and Physical Sciences Research Council Gold voucher
Research Institute, Centre or Group - Does NOT include content added after October 2018: Centre for Sport and Exercise Science
Sheffield Business School Research Institute > Service Sector Management
Biomedical Research Centre
Departments - Does NOT include content added after October 2018: Sheffield Business School > Department of Service Sector Management
Identification Number: https://doi.org/10.1016/j.appet.2015.02.005
Page Range: 183-191
Depositing User: Hilary Ridgway
Date Deposited: 26 Mar 2015 09:59
Last Modified: 18 Mar 2021 04:55
URI: https://shura.shu.ac.uk/id/eprint/9571

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