Resting Metabolic Rate and Health

A special issue of Metabolites (ISSN 2218-1989). This special issue belongs to the section "Nutrition and Metabolism".

Deadline for manuscript submissions: closed (31 May 2024) | Viewed by 3112

Special Issue Editors


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Guest Editor
1. Institute for Innovation & Sustainable Food Chain Development, Department of Health Sciences, Public University of Navarre, 31006 Pamplona, Spain
2. Navarra Institute for Health Research, IdiSNA, Pamplona, Spain
Interests: indirect calorimetry; metabolic cart; energy expenditure; human metabolism; exercise; physical activity; nutrition
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Pediatric Exercise and Genomics Research Center, Department of Pediatrics, School of Medicine, University of California, Irvine, CA 92697, USA
Interests: basal metabolism; resting metabolic rate

Special Issue Information

Dear Colleagues,

In humans, the resting metabolic rate normally accounts for 60–70% of energy expenditure over 24 hours (e.g., in healthy sedentary adults). In simple terms, among other metabolic implications, a low resting metabolic rate (or a low energy expenditure while resting) could be considered as an indicator of potential weight (re)gain in the future, as suggested by the previous literature.

However, the studying of resting metabolic rate and its association with health outcomes, as well as other metabolic complications, presents several challenges for the field of human metabolism. It is imperative for researchers and clinicians to determine resting metabolic rate accurately and reproducibly in humans. Therefore, novel research studies and approaches are necessary to integrate both existing and new information on human resting metabolism and its relationship(s) with biomarkers related to human health.

This Special Issue of Metabolites will be dedicated to extensive applications of resting metabolic rate assessments, as well as related methodological perspectives that may be of interest for the resting metabolic rate assessment field. The topics that will be covered by this Special Issue include, but are not limited to, the relationship between resting metabolic rate and health-related biomarkers, metabolic implications of the resting metabolic rate, and other methodology aspects to improve the resting metabolic rate assessments. Manuscripts dealing with other challenging issues are also highly desired.

Dr. Juan M. A. Alcantara
Dr. Abel Plaza-Florido
Guest Editors

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Keywords

  • basal metabolic rate
  • resting metabolic rate
  • indirect calorimetry
  • metabolic cart
  • energy expenditure
  • BMR
  • RMR
  • EE

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Published Papers (1 paper)

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Research

12 pages, 473 KiB  
Article
Resting Metabolic Rate and Substrate Utilization during Energy and Protein Availability in Male and Female Athletes
by Mahmoud M. A. Abulmeaty, Ali Almajwal, Mervat Elsayed, Heba Hassan, Thamer Alsager and Zaid Aldossari
Metabolites 2024, 14(3), 167; https://doi.org/10.3390/metabo14030167 - 17 Mar 2024
Viewed by 2307
Abstract
Active athletes frequently develop low energy (LEA) and protein availabilities (LPA) with consequent changes in the vital metabolic processes, especially resting metabolic rate (RMR) and substrate utilization. This study investigated the association of energy and protein intakes with RMR and substrate utilization in [...] Read more.
Active athletes frequently develop low energy (LEA) and protein availabilities (LPA) with consequent changes in the vital metabolic processes, especially resting metabolic rate (RMR) and substrate utilization. This study investigated the association of energy and protein intakes with RMR and substrate utilization in male and female athletes and those with LEA and LPA. Sixty athletes (35% female, 26.83 ± 7.12 y) were enrolled in this study. Anthropometric measurements and body composition analysis were reported to estimate fat-free mass (eFFM). Dietary intakes were recorded by two-day multiple-pass 24 h recall records and three-day food records and then analyzed by food processor software to calculate protein intake (PI) and energy intake (EI). Indirect calorimetry was used to measure RMR and percentages of substrate utilization. Activity–energy expenditure (AEE) was assessed by using an Actighrphy sensor for three days. Energy availability was calculated using the following formula (EA = EI − AEE/eFFM). The correlation of EI and PI with RMR and substrate utilization was tested with Pearson correlation. In the LEA group, both EI and PI correlated positively with RMR (r = 0.308, 0.355, respectively, p < 0.05). In addition, EI showed a positive correlation with the percentage of fat utilization. In the male and sufficient-PA groups, PI correlated positively with the RMR and negatively with the percentage of protein utilization. In conclusion, the percentage of LEA is markedly prevalent in our sample, with a higher prevalence among males. Athletes with LEA had lower fat utilization and lower RMR, while those with sufficient PA showed lower protein utilization with excessive PI. These findings may explain the metabolic responses in the cases of LEA and LPA. Full article
(This article belongs to the Special Issue Resting Metabolic Rate and Health)
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