Energy utilization associated with regular activity breaks and continuous physical activity : A randomized crossover trial

Journal article


Fenemor, S, Homer, Ashleigh, Perry, T, Skeaff, C, Peddie, M and Rehrer, N. (2018). Energy utilization associated with regular activity breaks and continuous physical activity : A randomized crossover trial. Nutrition Metabolism and Cardiovascular Diseases. 28(6), pp. 557-564. https://doi.org/10.1016/j.numecd.2018.02.003
AuthorsFenemor, S, Homer, Ashleigh, Perry, T, Skeaff, C, Peddie, M and Rehrer, N
Abstract

Aims: To quantify and compare energy utilization associated with prolonged sitting alone, or interrupted with regular activity breaks and/or an additional bout of continuous physical activity.

Methods and results: Thirty six adults (11 males, BMI 24.1 ± 4.6) completed four interventions: (1) prolonged sitting (SIT), (2) sitting with 2-min of walking every 30 min (RAB), (3) prolonged sitting with 30-min of continuous walking at the end of the day (SIT + PA), (4) a combination of the activities in (2) and (3) above (RAB + PA). All walking was at a speed and incline corresponding to 60% V̇O2max. Energy utilization over 7 h for each intervention was estimated using indirect calorimetry. Compared to SIT, SIT + PA increased total energy utilization by 709 kJ (95% CI 485-933 kJ), RAB by 863 kJ (95% CI 638-1088 kJ), and RAB + PA by 1752 kJ (95% CI 1527-1927 kJ) (all p < 0.001). There was no difference in total energy utilization between SIT + PA and RAB, however, post-physical activity energy utilization in RAB was 632 kJ greater than SIT + PA (95% CI 561-704 kJ; p < 0.001).

Conclusions: Short frequent activity, results in greater accumulation of elevated post-physical activity energy utilization compared to a single bout of continuous activity; however the total energy utilization is similar. Combining activity breaks with a longer continuous bout of activity will further enhance energy utilization, and in the longer term, may positively affect weight management of a greater magnitude than either activity pattern performed alone.

Trial registration: ANZCTR12614000624684.

KeywordsEnergy balance; Energy expenditure; Sedentary behavior
Year01 Jan 2018
JournalNutrition Metabolism and Cardiovascular Diseases
Journal citation28 (6), pp. 557-564
PublisherElsevier Ltd.
ISSN0939-4753
Digital Object Identifier (DOI)https://doi.org/10.1016/j.numecd.2018.02.003
PubMed ID29580754
Scopus EID2-s2.0-85044266879
Web address (URL)https://www.sciencedirect.com/science/article/pii/S0939475318300541
Open accessPublished as non-open access
Research or scholarlyResearch
Page range557-564
Publisher's version
License
All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Print14 May 2018
Publication process dates
Accepted05 Feb 2018
Deposited17 Jan 2023
Additional information

Trial registration: ANZCTR12614000624684.

© 2018 The Italian Society of Diabetology, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition, and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved.

Place of publicationUnited Kingdom
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