Buğday Burak, Çelik Alara Livanur, Safran Elif Esma, Şevgin Ömer
Department of Therapy and Rehabilitation, Vocational School of Health Services, Inonu University, Malatya, Turkey.
Institute of Health Sciences, Department of Physiotherapy and Rehabilitation, Uskudar University, Istanbul, Turkey.
BMC Public Health. 2025 Jul 2;25(1):2282. doi: 10.1186/s12889-025-23549-8.
Obesity is a global health challenge linked to reduced physical activity, poor sleep, and increased fatigue. While diet is central to weight management, resistance training may offer additional benefits, but its combined impact on sleep and activity patterns in individuals with obesity remains unclear. This study aimed to compare the effects of a 12-week resistance training program combined with calorie-restricted dietary intervention (Diet + RT) versus diet alone on self-reported physical activity levels, sleep quality, fatigue, body weight, and waist circumference in individuals with obesity.
In this randomized controlled trial, 40 individuals with obesity were assigned to either a calorie-restricted Diet group or a Diet + RT group for 12 weeks. The exercise program targeted major muscle groups at moderate intensity, performed three times per week under professional supervision. Outcomes included the International Physical Activity Questionnaire (IPAQ), Pittsburgh Sleep Quality Index (PSQI), Fatigue Severity Scale (FSS), body weight, and waist circumference, measured at baseline, mid-intervention, and post-intervention. Data were analyzed using repeated-measures ANOVA and chi-square tests.
Groups were comparable at baseline (all > 0.05). Significant time × group interactions were found for body weight (F = 25.83), waist circumference (F = 27.38), sleep quality (F = 22.19), and fatigue severity (F = 53.94) (all < 0.001), favoring the combined intervention. Self-reported physical activity levels, measured via the IPAQ, also differed significantly between groups at baseline (χ² = 8.44), mid-intervention (χ² = 16.41), and post-intervention (χ² = 14.40) (all < 0.01).
Diet + RT yields superior improvements in self-reported physical activity, sleep quality, body weight, fatigue, and waist circumference compared to diet alone in individuals with obesity.
The protocol is registered with http://clinicaltrials.gov/ (15/August/2023, Clinical Trial, NCT06004427).
肥胖是一项全球性的健康挑战，与身体活动减少、睡眠不佳和疲劳加剧有关。虽然饮食对于体重管理至关重要，但抗阻训练可能会带来额外益处，但其对肥胖个体睡眠和活动模式的综合影响仍不明确。本研究旨在比较为期12周的抗阻训练计划联合热量限制饮食干预（饮食+抗阻训练）与单纯饮食干预对肥胖个体自我报告的身体活动水平、睡眠质量、疲劳、体重和腰围的影响。
在这项随机对照试验中，40名肥胖个体被分配到热量限制饮食组或饮食+抗阻训练组，为期12周。运动计划针对主要肌肉群，强度适中，在专业监督下每周进行三次。观察指标包括国际身体活动问卷（IPAQ）、匹兹堡睡眠质量指数（PSQI）、疲劳严重程度量表（FSS）、体重和腰围，在基线、干预中期和干预后进行测量。数据采用重复测量方差分析和卡方检验进行分析。
两组在基线时具有可比性（均P>0.05）。在体重（F=25.83）、腰围（F=27.38）、睡眠质量（F=22.19）和疲劳严重程度（F=53.94）方面发现了显著的时间×组间交互作用（均P<0.001），支持联合干预。通过IPAQ测量的自我报告身体活动水平在基线（χ²=8.44）、干预中期（χ²=16.41）和干预后（χ²=14.40）两组之间也存在显著差异（均P<0.01）。
与单纯饮食干预相比，饮食+抗阻训练在肥胖个体的自我报告身体活动、睡眠质量、体重、疲劳和腰围方面有更显著的改善。
该方案已在http://clinicaltrials.gov/注册（2023年8月15日，临床试验，NCT06004427）。
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