Cited by 50Diet and metabolism studiesDietary Effects on HealthMuscle metabolism and nutrition

Effects of resistance training combined with a ketogenic diet on body composition: a systematic review and meta-analysis

Ashtary-Larky, Damoon, Bagheri, Reza, Asbaghi, Omid, Tinsley, Grant M., Kooti, Wesam, Abbasnezhad, Amir, Afrisham, Reza, Wong, Alexei·2022·Critical Reviews in Food Science and Nutrition

Abstract

We evaluated the effects of ketogenic diets (KDs) on body mass (BM), fat mass (FM), fat-free mass (FFM), body mass index (BMI), and body fat percentage (BFP) compared to non-KDs in individuals performing resistance training (RT). Online electronic databases including PubMed, the Cochrane Library, Web of Science, Embase, SCOPUS, and Ovid were searched to identify initial studies until February 2021. Data were pooled using both fixed and random-effects methods and were expressed as weighted mean difference (WMD) and 95% confidence intervals (CI). Out of 1372 studies, 13 randomized controlled trials (RCTs) that enrolled 244 volunteers were included. The pooled results demonstrated that KDs significantly decreased BM [(WMD = −3.67 kg; 95% CI: −4.44, −2.90, p < 0.001)], FM [(WMD = −2.21 kg; 95% CI: −3.09, −1.34, p < 0.001)], FFM [(WMD = −1.26 kg; 95% CI: −1.82, −0.70, p < 0.001)], BMI [(WMD = −1.37 kg.m−2; 95% CI: −2.14, −0.59, p = 0.022)], and BFP [(WMD = −2.27%; 95% CI: −3.63, −0.90, p = 0.001)] compared to non-KDs. We observed beneficial effects of KDs compared to non-KDs on BM and body fat (both FM and BFP) in individuals performing RT. However, adherence to KDs may have a negative effect on FFM, which is not ameliorated by the addition of RT.

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Crossref · 10.1080/10408398.2021.1890689

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Authors
Ashtary-Larky, D., Bagheri, R., Asbaghi, O., Tinsley, G. M., Kooti, W., Abbasnezhad, A., Afrisham, R., & Wong, A.
Affiliations
  • Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  • University of Isfahan (IR)
  • Lorestan University of Medical Sciences (IR)
  • Texas Tech University (US)
  • Kurdistan University of Medical Sciences (IR)
  • Tehran University of Medical Sciences (IR)
  • Marymount University (US)
Corresponding author
  • Bagheri, Reza
  • Wong, Alexei
Venue
Critical Reviews in Food Science and Nutrition
Published
2021-02-24
Volume
62
Issue
21
Pages
5717-5732
ISSN
  • 1040-8398 (ISSN-L)
  • 1549-7852
OpenAlex
W3130269596
Cited by
50
References
105
Citations by year
2026: 6 · 2025: 8 · 2024: 10 · 2023: 12 · 2022: 9 · 2021: 5
FWCI
1.20
Type
journal article
Language
en
Open access
closed
Locations
  • Critical Reviews in Food Science and Nutrition (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Diet and metabolism studies
  • Health Sciences › Medicine › Physiology › Dietary Effects on Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
Keywords
ketogenic diet, resistance training, body composition, fat mass, fat-free mass, body mass index, body fat percentage, dietary adherence, weight loss
MeSH terms
Adipose Tissue, Body Composition, Humans, Body Mass Index, Resistance Training, Diet, Ketogenic

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