Dataset Information

Vagal Flexibility during Exercise: Impact of Training, Stress, Anthropometric Measures, and Gender.

ABSTRACT: We evaluated the effect of physical training, stress, anthropometric measures, and gender upon the reactivity and recovery of the heart rate variability (HRV) during a cardiorespiratory test. Professors (N = 54) were evaluated using the following: physical training: time, frequency, and length of physical exercise; resting heart rate (HR); maximum HR; and recovery HR; stress: stress symptoms, work stress, vital events, and perceived stress; anthropometric measures: body mass index, waist circumference (WC), waist-hip ratio (WHR), and fat percentage (FP); and HRV before, during, and after the test. The HRV decreased during and increased after the test. Increased recovery HR was associated with the decreased vagal output during the test, and decreased recovery HR was associated with the increased posttest vagal input. The higher the work control and stress symptoms of men and the higher the perceived stress for both genders, the lower the vagal output during the test. The lower stress symptom and work control of men and the lower work demand of women were associated with the posttest vagal increase. The increased WC and decreased WHR of men were associated with the lower vagal output during the test and the lower posttest vagal increase. The lower FP also was associated with the greater recovery.

SUBMITTER: de Souza PM

PROVIDER: S-EPMC7556060 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Vagal Flexibility during Exercise: Impact of Training, Stress, Anthropometric Measures, and Gender.

de Souza Perciliany Martins PM Rosário Nacha Samadi Andrade NSA de Castro Pinto Kelerson Mauro KM Assunção Poliana Elisa PE de Oliveira Fernando Luiz Pereira FLP Bearzoti Eduardo E Souza Gabriela Guerra Leal GGL

Rehabilitation research and practice 20201005

We evaluated the effect of physical training, stress, anthropometric measures, and gender upon the reactivity and recovery of the heart rate variability (HRV) during a cardiorespiratory test. Professors (<i>N</i> = 54) were evaluated using the following: physical training: time, frequency, and length of physical exercise; resting heart rate (HR); maximum HR; and recovery HR; stress: stress symptoms, work stress, vital events, and perceived stress; anthropometric measures: body mass index, waist ...[more]

PMID: 33083060

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Project description:Findings on maternal 25-hydroxyvitamin D (25[OH]D) and neonatal anthropometry are inconsistent, and may at least be partly due to variations in gestational week (GW) of 25(OH)D measurement and the lack of longitudinal 25(OH)D measurements across gestation. The aim of the current study was to examine the associations of longitudinal measures of maternal 25(OH)D and neonatal anthropometry at birth. This study included 321 mother⁻offspring pairs enrolled in the Eunice Kennedy Shriver National Institute of Child Health and Human Development Fetal Growth Studies⁻Singletons. This study was a prospective cohort design without supplementation and without data on dietary supplementation. Nevertheless, measurement of plasma 25(OH)D reflects vitamin D from different sources, including supplementation. Maternal concentrations of total 25(OH)D were measured at 10⁻14, 15⁻26, 23⁻31, and 33⁻39 GW and categorized as <50 nmol/L, 50⁻75 nmol/L, and >75 nmol/L. Generalized linear models were used to examine associations of 25(OH)D at each time-point with neonate birthweight z-score, length, and sum of skinfolds at birth. At 10⁻14 GW, 16.8% and 49.2% of women had 25(OH)D <50 nmol/L and between 50⁻75 nmol/L, respectively. The association of maternal 25(OH)D with neonatal anthropometry differed by GW and women's prepregnancy BMI (normal (<25.0 kg/m²), overweight/obese (25.0⁻44.9 kg/m²)). All analyses were stratified by prepregnancy BMI status. Among women with an overweight/obese BMI, 25(OH)D <50 nmol/L at 10⁻14 GW was associated with lower birthweight z-score (0.56; 95% CI: -0.99, -0.13) and length (-1.56 cm; 95% CI: -3.07, -0.06), and at 23⁻31 GW was associated with shorter length (-2.77 cm; 95% CI: -13.38, -4.98) and lower sum of skinfolds (-9.18 mm; 95% CI: -13.38, -4.98). Among women with a normal BMI, 25(OH)D <50 nmol/L at 10⁻14 GW was associated with lower sum of skinfolds (-2.64 mm; 95% CI: -5.03, -0.24), at 23⁻31 GW was associated with larger birthweight z-scores (0.64; 95% CI: 0.03, 1.25), and at 33-39 GW with both higher birthweight z-score (1.22; 95% CI: 0.71, 1.73) and longer length (1.94 cm; 95% CI: 0.37, 3.52). Maternal 25(OH)D status during pregnancy was associated with neonatal anthropometric measures, and the associations were specific to GW of 25(OH)D measurement and prepregnancy BMI.

Dataset Information

Vagal Flexibility during Exercise: Impact of Training, Stress, Anthropometric Measures, and Gender.

Publications

Vagal Flexibility during Exercise: Impact of Training, Stress, Anthropometric Measures, and Gender.

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