High intensity interval training exercise-induced physiological changes and their potential influence on metabolic syndrome clinical biomarkers: a meta-analysis

SERRABLO-TORREJON, I., LOPEZ-VALENCIANO, A., AYUSO, M., HORTON, E., MAYO, X., MEDINA-GOMEZ, G., LIGUORI, G. and JIMENEZ, A. (2020). High intensity interval training exercise-induced physiological changes and their potential influence on metabolic syndrome clinical biomarkers: a meta-analysis. BMC Endocrine Disorders, 20 (1), p. 167.

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Open Access URL: https://bmcendocrdisord.biomedcentral.com/articles... (Published version)
Link to published version:: https://doi.org/10.1186/s12902-020-00640-2
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    Abstract

    Abstract: Background: Despite the current debate about the effects of high intensity interval training (HIIT), HIIT elicits big morpho-physiological benefit on Metabolic Syndrome (MetS) treatment. However, no review or meta-analysis has compared the effects of HIIT to non-exercising controls in MetS variables. The aim of this study was to determine through a systematic review, the effectiveness of HIIT on MetS clinical variables in adults. Methods: Studies had to be randomised controlled trials, lasting at least 3 weeks, and compare the effects of HIIT on at least one of the MetS clinical variables [fasting blood glucose (BG), high-density lipoprotein (HDL-C) triglyceride (TG), systolic (SBP) or diastolic blood pressure (DBP) and waist circumference (WC)] compared to a control group. The methodological quality of the studies selected was evaluated using the PEDro scale. Results: Ten articles fulfilled the selection criteria, with a mean quality score on the PEDro scale of 6.7. Compared with controls, HIIT groups showed significant and relevant reductions in BG (− 0.11 mmol/L), SBP (− 4.44 mmHg), DBP (− 3.60 mmHg), and WC (− 2.26 cm). Otherwise, a slight increase was observed in HDL-C (+ 0.02 mmol/L). HIIT did not produce any significant changes in TG (− 1.29 mmol/L). Conclusions: HIIT improves certain clinical aspects in people with MetS (BG, SBP, DBP and WC) compared to people with MetS who do not perform physical exercise. Plausible physiological changes of HIIT interventions might be related with large skeletal muscle mass implication, improvements in the vasomotor control, better baroreflex control, reduction of the total peripheral resistance, increases in excess post-exercise oxygen consumption, and changes in appetite and satiety mechanisms.

    Item Type: Article
    Additional Information: ** From Springer Nature via Jisc Publications Router ** Licence for this article: https://creativecommons.org/licenses/by/4.0/ **Journal IDs: eissn 1472-6823 **Article IDs: publisher-id: s12902-020-00640-2; manuscript: 640 **History: collection 12-2020; published_online 10-11-2020; online 10-11-2020; registration 20-10-2020; accepted 20-10-2020; submitted 18-05-2020
    Uncontrolled Keywords: Research Article, Diabetes and Metabolism, High intensity interval training, Metabolic syndrome, Meta-analysis
    Identification Number: https://doi.org/10.1186/s12902-020-00640-2
    Page Range: p. 167
    SWORD Depositor: Colin Knott
    Depositing User: Colin Knott
    Date Deposited: 11 Nov 2020 15:50
    Last Modified: 17 Mar 2021 20:45
    URI: http://shura.shu.ac.uk/id/eprint/27579

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