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Effect of Exercise Training on Body Composition and Inflammatory Cytokine Levels in Overweight and Obese Individuals: A Systematic Review and Network Meta-Analysis.


ABSTRACT:

Objective

This study aimed to compare and rank the effectiveness of aerobic exercise (AE), resistance training (RT), combined aerobic and resistance training (CT), and high-intensity interval training (HIIT) on body composition and inflammatory cytokine levels in overweight and obese individuals by using network meta-analysis (NMA).

Methods

We searched the PubMed, Cochrane, Embase, Web of Science, and EBSCO databases to identify randomized controlled trials investigating the effects of exercise training on inflammatory cytokines in overweight and obese patients. The retrieval period was from inception to November 2021. Two reviewers independently screened the retrieved articles, extracted the pertinent data, and assessed the risk of bias of the included studies; then, they used Stata 16.0 and Review Manager 5.3 to perform an NMA.

Results

A total of 38 studies involving 1317 patients were included in this study. The results of the NMA indicated that AE had the greatest effect on weight loss (SUCRA=78.3; SMD=-0.51, 95% CI: -0.70, -0.33); CT had the greatest effect on reducing body mass index (SUCRA=70.7; SMD=-0.46, 95% CI: -0.81, -0.10), waist circumference (SUCRA=93.4; SMD=-1.86, 95% CI: -2.80, -0.93), percentage body fat (SUCRA=79.6; SMD=-1.38, 95% CI: -2.29, -0.48), interleukin-6 level (SUCRA=86.4; SMD=-1.98, 95% CI: -3.87, -0.09), and tumor necrosis factor-α level (SUCRA=79.4; SMD=-2.08, 95% CI: -3.75, -0.42); AE (SMD=0.51, 95% CI: -1.68, 2.69), RT (SMD=0.15, 95% CI: -3.01, 3.32), CT (SMD=1.78, 95% CI: -1.35, 4.92), and HIIT (SMD=2.29, 95% CI: -1.27, 5.86) did not significantly increase the adiponectin level.

Conclusion

The current results suggest that CT is the best exercise modality for improving body composition and inflammatory status in overweight and obese individuals. More rigorous randomized control trials are needed for further validation.

Systematic review registration

https://www.crd.york.ac.uk/prospero/, identifier CRD42022303165.

SUBMITTER: Wang S 

PROVIDER: S-EPMC9260601 | biostudies-literature |

REPOSITORIES: biostudies-literature

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