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Journal of Negative and No Positive Results
On-line version ISSN 2529-850X
Abstract
ORTIZ-RODRIGUEZ, B et al. Aerobic exercise and insulin resistance indicators in sedentary women. JONNPR [online]. 2023, vol.8, n.1, pp.440-449. Epub Jan 29, 2024. ISSN 2529-850X. https://dx.doi.org/10.19230/jonnpr.4886.
The aim of this study is to determine the concordance between the insulin resistance indicators, HOMA and TyG, because of a moderate intensity aerobic exercise session in sedentary young women.
Methods.
A total of 22 sedentary women between 18 and 35 years of age participated in this research. HOMA and TyG indices were determined before and after a moderate intensity aerobic exercise (MIAE), based on Heart Rate reserve. Spearman and Kendall's Tau-b were used to evaluate the association between those variables. Values were compared using the Bland & Altman graphs. Kappa Coefficient was used to estimate the proportion of concordance observed between both indicators.
Significant differences were considered at a p≤0.01.
Results.
Spearman's Rho correlation and Kendall's Tau-b before MIAE were significant and direct (r=0.634, p<0.001 and r=0.480, p<0.01; respectively) with a Cohen's Kappa index of k=0.585. After MIAE, Spearman's Rho correlation and Kendall's Tau-b were also significant and direct r=0.650, p<0.001 and r=0.504, p<0.001, respectively, with a lower Cohen's Kappa index (k=0.390).
Conclusions.
TyG index is a good indicator to evaluate insulin resistance at baseline situations. However, this index doesn't properly determine insulin resistance after a MIAE.
Keywords : HOMA-RI index; TyG index; women; physical activity; insulin resistance; sedentary.
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