The metabolic effects of habitual leg shaking: A randomized crossover trial

IF 3 2区医学 Q2 ENDOCRINOLOGY & METABOLISM

Journal of Diabetes Pub Date : 2024-04-25 DOI:10.1111/1753-0407.13556

Riqiang Bao, Yixiang Hu, Rui Xu, Chong Gao, Yuhan Guo, Yashu Zhu, Shijia Pan, Weiqing Wang

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Abstract

Aims

The adverse effects of sedentary behavior on obesity and chronic diseases are well established. However, the prevalence of sedentary behavior has increased, with only a minority of individuals meeting the recommended physical activity guidelines. This study aimed to investigate whether habitual leg shaking, a behavior traditionally considered unfavorable, could serve as an effective strategy to improve energy metabolism.

Materials and Methods

A randomized crossover study was conducted, involving 15 participants (mean [SD] age, 25.4 [3.6]; mean [SD] body mass index, 22 [3]; 7 women [46.7%]). The study design involved a randomized sequence of sitting and leg shaking conditions, with each condition lasting for 20 min. Energy expenditure, respiratory rate, oxygen saturation, and other relevant variables were measured during each condition.

Results

Compared to sitting, leg shaking significantly increased total energy expenditure [1.088 kj/min, 95% confidence interval, 0.69–1.487 kj/min], primarily through elevated carbohydrate oxidation. The average metabolic equivalent during leg shaking exhibited a significant increase from 1.5 to 1.8. Leg shaking also raised respiratory rate, minute ventilation, and blood oxygen saturation levels, while having no obvious impact on heart rate or blood pressure. Electromyography data confirmed predominant activation of lower leg muscles and without increased muscle fatigue. Intriguingly, a significant correlation was observed between the increased energy expenditure and both the frequency of leg shaking and the muscle mass of the legs.

Conclusions

Our study provides evidence that habitual leg shaking can boost overall energy expenditure by approximately 16.3%. This simple and feasible approach offers a convenient way to enhance physical activity levels.

Abstract Image

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习惯性抖腿对新陈代谢的影响：随机交叉试验

目的久坐不动对肥胖和慢性疾病的不良影响已得到公认。然而，久坐行为的发生率却在增加，只有少数人达到了推荐的体育锻炼指南的要求。本研究旨在探讨习惯性抖腿这种传统上被认为不利于健康的行为能否作为改善能量代谢的有效策略。材料与方法进行了一项随机交叉研究，共有 15 名参与者（平均 [SD] 年龄，25.4 [3.6]；平均 [SD] 体重指数，22 [3]；7 名女性 [46.7%]）参加。研究设计包括坐姿和抖腿状态的随机序列，每个状态持续 20 分钟。在每个条件下测量能量消耗、呼吸频率、血氧饱和度和其他相关变量。结果与坐姿相比，抖腿能显著增加总能量消耗[1.088 kj/min，95% 置信区间，0.69-1.487 kj/min]，主要是通过提高碳水化合物的氧化作用。抖腿时的平均代谢当量从 1.5 显著增加到 1.8。抖腿还提高了呼吸频率、分钟通气量和血氧饱和度水平，但对心率和血压没有明显影响。肌电图数据证实，抖腿主要激活的是小腿肌肉，肌肉疲劳程度没有增加。耐人寻味的是，能量消耗的增加与抖腿频率和腿部肌肉质量之间存在明显的相关性。结论我们的研究提供了证据，证明习惯性抖腿可以将总体能量消耗提高约 16.3%。这种简单可行的方法为提高体育锻炼水平提供了便捷途径。

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 Diabetes ENDOCRINOLOGY & METABOLISM-

CiteScore

6.50

自引率

2.20%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Diabetes (JDB) devotes itself to diabetes research, therapeutics, and education. It aims to involve researchers and practitioners in a dialogue between East and West via all aspects of epidemiology, etiology, pathogenesis, management, complications and prevention of diabetes, including the molecular, biochemical, and physiological aspects of diabetes. The Editorial team is international with a unique mix of Asian and Western participation. The Editors welcome submissions in form of original research articles, images, novel case reports and correspondence, and will solicit reviews, point-counterpoint, commentaries, editorials, news highlights, and educational content.