Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effects of Cardiovagal Training on Autonomic Function, Inflammatory Markers and Insulin Levels in Adults with Obesity

Version 1 : Received: 27 February 2022 / Approved: 2 March 2022 / Online: 2 March 2022 (02:44:02 CET)

How to cite: Espinoza-Salinas, A.; Peiret-Villacura, L.; Molina-Sotomayor, E.; Cigarroa-Cuevas, I.; Arenas-Sánchez, G.; Podestá, I.; González-Jurado, J. Effects of Cardiovagal Training on Autonomic Function, Inflammatory Markers and Insulin Levels in Adults with Obesity. Preprints 2022, 2022030031 (doi: 10.20944/preprints202203.0031.v1). Espinoza-Salinas, A.; Peiret-Villacura, L.; Molina-Sotomayor, E.; Cigarroa-Cuevas, I.; Arenas-Sánchez, G.; Podestá, I.; González-Jurado, J. Effects of Cardiovagal Training on Autonomic Function, Inflammatory Markers and Insulin Levels in Adults with Obesity. Preprints 2022, 2022030031 (doi: 10.20944/preprints202203.0031.v1).

Abstract

Obesity is linked to an inflammatory process, with adipocyte release triggering insulin resistance (IR) and autonomic imbalance. A cardiovagal trainning protocol has shown favorable results in autonomic balance and decrease of inflammatory markers. The aim of this study was to analyze the autonomic behavior related to inflammatory and metabolic parameters in obese people after a cardiovagal exercise protocol. Twenty people with obesity, were distributed by their HOMA-IR value: obese without IR (n/IR) (n=8) and obese with IR (y/IR) (n=12). The cardiovagal training program was carried out in both groups for 8 weeks at a frequency of 5 times per week. A blood sample was obtained to determine insulin, leptin, TNF alpha and IL6 levels, in addition to determining the HOMA-IR index and autonomic function was measured by heart rate variability. Changes were recorded in the OB-IR group, a decrease in inflammatory markers, glycemia and a reduction of sympathetic activity after the cardiovagal training intervention. In addition, significant differences between the y/IR and n/IR groups were shown in insulin, leptin, TNFa and IL6 values. It can be concluded that after 4 weeks of intervention with a cardiovagal trainning protocol, parasympathetic modulation increased and inflammatory markers decreased in obese subjects.

Keywords

obesity; high-intensity interval training; heart rate variability; inflammatory markers; insulin resistance; autonomic function

Subject

MEDICINE & PHARMACOLOGY, Sport Sciences & Therapy

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