用中等强度的体育活动打断坐着可以改善超重和肥胖成人的抑制控制：来自SITLess试点随机交叉试验的发现

IF 2.3 3区医学 Q2 PSYCHIATRY

Mental Health and Physical Activity Pub Date : 2025-01-24 DOI:10.1016/j.mhpa.2025.100671

Jin Kuang , Katherine M. Lloyd , Tomasz S. Ligeza , Neha Bashir , Hannah Martin , Ramiya Shanmugam , Lauryn Pickerill , Sharon Liang , Talha Syed , Paige Tewell , Arushi Sharma , Flor B. Quiroz , Cole Stanfield , Bryan Montero Herrera , Qian Yu , Corinne N. Cannavale , Liye Zou , Nicholas A. Burd , Naiman A. Khan , Arthur F. Kramer , Dominika M. Pindus

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引用次数: 0

摘要

超重和肥胖（OW/OB）的成年人表现出抑制控制的缺陷，这种缺陷可能因长时间坐着而放大。本研究测试了每30分钟用3.5分钟中等强度体力活动（MPA + SIT）打断3小时长时间静坐对中青年OW/OB患者久坐社会互动条件（SOC + SIT）的抑制控制的急性影响。方法19例成人(63%为女性；29.9±7.5岁；BMI = 30.0±3.64 kg * m−2)，来自SITLess先导随机交叉试验。抑制控制表现为对侧卫任务不一致试验的反应准确性和反应时间。选择RT表示为准确度和一致试验RT。采用事件相关脑电位P3b分量的振幅和潜伏期分别测量注意资源分配和刺激评价速度。采用广义线性混合模型，通过时间（前、后）、条件（MPA + SIT vs. SOC + SIT）相互作用和每个时间点内的简单效应来检验干预效果。结果MPA + SIT后被试在不一致试验上比SOC + SIT快(F(18.0, 54) = 5.59, p = 0.02；△M = 16.7 ms, 95% CI: 1.64, 31.7)。一致性试验也出现了类似的趋势（F(18.0, 54) = 4.03, p = 0.05）（△M = 17.3 ms, 95% CI: 5.66, 29.0）。P3b振幅和潜伏期在不同条件和时间下无差异。结论：在成年OW/OB患者连续坐位后，短时间的MPA发作中断坐位是预防认知能力下降的一种可行策略。一个明确的试验应该测试它在提高肥胖患者的认知和大脑健康方面的功效。

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Interrupting sitting with moderate-intensity physical activity breaks improves inhibitory control in adults with overweight and obesity: Findings from the SITLess pilot randomized crossover trial

Introduction

Adults with overweight and obesity (OW/OB) show deficits in inhibitory control, which may be amplified by prolonged sitting. This study tested the acute effects of interrupting 3-h prolonged sitting every 30 min with 3.5-min moderate-intensity physical activity bouts (MPA + SIT) on inhibitory control relative to a sedentary social interaction condition (SOC + SIT) in young and middle-aged adults with OW/OB.

Method

Data from 19 adults (63% females; 29.9 ± 7.5 years; BMI = 30.0 ± 3.64 kg∗m⁻²) were analysed from the SITLess pilot randomized crossover trial. Inhibitory control was expressed as response accuracy and reaction time (RT) on incongruent trials of a flanker task. Choice RT was expressed as accuracy and RT on congruent trials. Attentional resource allocation and the speed of stimulus evaluation were measured using the amplitude and latency of the P3b component of event-related brain potentials, respectively. Intervention effects were tested using Generalized Linear Mixed Models with Time (pre, post) by Condition (MPA + SIT vs. SOC + SIT) interactions and simple effects within each time point.

Results

Participants were faster on incongruent trials after MPA + SIT than SOC + SIT (F(18.0, 54) = 5.59, p = 0.02; △M = 16.7 ms, 95% CI: 1.64, 31.7). A similar trend (F(18.0, 54) = 4.03, p = 0.05) emerged for congruent trials (△M = 17.3 ms, 95% CI: 5.66, 29.0). P3b amplitude and latency did not differ between conditions or time.

Conclusion

Interrupting sitting with short MPA bouts is a viable strategy to prevent a decline in cognitive performance following a continuous bout of sitting in adults with OW/OB. A definitive trial should test its efficacy in enhancing cognitive and brain health in obesity.

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来源期刊

Mental Health and Physical Activity PSYCHIATRY-

CiteScore

6.70

自引率

6.40%

发文量

审稿时长

32 days

期刊介绍： The aims of Mental Health and Physical Activity will be: (1) to foster the inter-disciplinary development and understanding of the mental health and physical activity field; (2) to develop research designs and methods to advance our understanding; (3) to promote the publication of high quality research on the effects of physical activity (interventions and a single session) on a wide range of dimensions of mental health and psychological well-being (eg, depression, anxiety and stress responses, mood, cognitive functioning and neurological disorders, such as dementia, self-esteem and related constructs, psychological aspects of quality of life among people with physical and mental illness, sleep, addictive disorders, eating disorders), from both efficacy and effectiveness trials;