Effects of aerobic morning intervention on body composition changes in young women of morning and neither chronotypes

IF 0.7 Q4 HOSPITALITY, LEISURE, SPORT & TOURISM

Journal of Sport and Health Research Pub Date : 2023-12-28 DOI:10.58727/jshr.94622

Pavol Pivovarniček, Dominika Kondrátová, Ľudmila Jančoková, F. Zahálka, Tomas Maly

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引用次数: 0

Abstract

This study aimed to compare the effect of a morning physical intervention on the body composition of young women (n = 8, mean age ± SD = 23.1 ± 1.0 years, mean height ± SD = 168.9 ± 5.8 cm, mean weight ± SD = 66.2 ± 6.8 kg) of the morning chronotype (M-types) vs. young women (n = 25, mean age ± SD = 21.4 ± 1.5 years, mean height ± SD = 167.1 ± 5.4 cm, mean weight ± SD = 65.6 ± 7.8 kg) of the neither chronotypes (N-types). We used bioimpedance analysis to detect changes in the following indicators: weight, body mass index, fat mass (FM%), fat free mass (FFM), muscle mass (MM), total body water (TBW), extracellular and total body water ratio (ECW/TBW), extracellular and body cell mass ratio (ECM/BCM), and phase angle (PA). Intervention effects in groups were compared and evaluated by Cohen’s d within the statistical procedure of paired samples t-test, which did not show any significant differences in all indicators, except PA, between the pre-test and post-test (p>0.05). Statistical improvement was denoted and examined in the PA of the N-types. The most significant difference was found in the ECM/BCM indicator, which was stimulated more effectively in M-types after the morning intervention compared with the N-types. M-type participants improved in ECM/BCM (d = 0.62) and PA (d = 0.70) with a medium effect, but scored worse in FM% (d = 0.47) with a small effect, FFM (d = .43), MM (d = 0.42), and TBW (d = 0.40), whereas no effect was found in ECW/TBW (d = 0.15). N-type participants improved in PA (d = .60) with a medium effect, FFM (d = 0.29), MM (d = 0.28), and ECW/TBW (d = 0.28) with a small effect; no effect was observed in ECM/BCM (d = 0.01), FM% (d = 0.03), and TBW (d = 0.04). The results showed that the ECM/BCM and PA parameters were more sensitive than the other parameters. Our findings indicate the importance of further exploration and examination of the problem of time effect examination on particular chronotypes.

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晨间有氧运动对晨间和非晨间年轻女性身体成分变化的影响

本研究旨在比较晨间体育干预对年轻女性（n = 8，平均年龄 ± SD = 23.1 ± 1.0 岁，平均身高 ± SD = 168.9 ± 5.8 厘米，平均体重 ± SD = 66.2 ± 6.8 千克）与两种时间型（N 型）的年轻女性（n = 25，平均年龄 ± SD = 21.4 ± 1.5 岁，平均身高 ± SD = 167.1 ± 5.4 厘米，平均体重 ± SD = 65.6 ± 7.8 千克）进行对比。我们采用生物阻抗分析法检测以下指标的变化：体重、体重指数、脂肪量（FM%）、无脂肪量（FFM）、肌肉量（MM）、身体总水分（TBW）、细胞外与身体总水分比（ECW/TBW）、细胞外与体细胞质量比（ECM/BCM）和相位角（PA）。在配对样本 t 检验的统计程序中，通过 Cohen's d 对各组的干预效果进行比较和评估，结果显示，除 PA 外，所有指标在测试前和测试后之间均无显著差异（P>0.05）。统计显示，N-类型的 PA 有所改善。最明显的差异出现在 ECM/BCM 指标上，与 N 型相比，M 型学员在上午干预后更有效地激发了 ECM/BCM 指标。M 型参与者在 ECM/BCM (d = 0.62) 和 PA (d = 0.70) 方面得到了中等程度的改善，但在 FM% (d = 0.47) （小影响）、FFM (d = 0.43)、MM (d = 0.42) 和 TBW (d = 0.40) 方面得分较低，而在 ECW/TBW (d = 0.15) 方面没有发现任何影响。N 型参与者在 PA（d = 0.60）、FFM（d = 0.29）、MM（d = 0.28）和 ECW/TBW （d = 0.28）方面的改善效果中等；在 ECM/BCM（d = 0.01）、FM%（d = 0.03）和 TBW（d = 0.04）方面未观察到任何效果。结果表明，ECM/BCM 和 PA 参数比其他参数更敏感。我们的研究结果表明，进一步探索和研究特定时间型的时间效应检查问题非常重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Sport and Health Research HOSPITALITY, LEISURE, SPORT & TOURISM-

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

24 weeks

期刊介绍： The International Journal of Sport and Healt Research is a multidisciplinary journal that features investigations, studies, and reviews. The journal aim is to serve as a tool for scientific spreading and scientific research in the field of physical activity and health. On that score, the journal includes issues that are related to physical activity, sports, health and education.