a Health and Rehabilitation Sciences PhD Program, School of Health and Rehabilitation Sciences, College of Medicine , The Ohio State University , Columbus , OH , USA.
b Division of Physical Therapy, School of Health and Rehabilitation Sciences, College of Medicine , The Ohio State University , Columbus , OH , USA.
J Sports Sci. 2019 Jan;37(1):20-28. doi: 10.1080/02640414.2018.1479947. Epub 2018 May 28.
The associations among lower extremity functional performance and quality of life in obese youth are unknown. The aims of this study were to compare lower extremity strength, lower extremity functional performance, and health related quality of life between obese and healthy-weight youth and evaluate the relationships between lower extremity performance and health related quality of life in obese youth. Twenty obese and 20 age and sex matched healthy-weight youth were recruited. Peak torque of the major lower extremity muscles were measured. Functional performance was measured with single leg hop and single leg balance tests. The Paediatric Quality of Life questionnaire's physical and psychosocial health subscales were used. Paired t-tests and multiple regression analyses were performed. Obese youth demonstrated decreased peak torque in all muscles measured (P < 0.05), poorer functional performance (P < 0.05), and worse physical health related quality of life (P < 0.05) compared to healthy-weight youth. Lower extremity functional performance was associated with aspects of quality of life in the obese group (P = 0.002), but not in the healthy-weight group (P < 0.05). These results may assist in encouraging best practices in the promotion of exercise, physical activity, and quality of life in obese youth.
肥胖青少年的下肢功能表现和生活质量之间的关系尚不清楚。本研究旨在比较肥胖青少年和健康体重青少年的下肢力量、下肢功能表现和健康相关生活质量，并评估肥胖青少年下肢表现与健康相关生活质量之间的关系。招募了 20 名肥胖青少年和 20 名年龄和性别匹配的健康体重青少年。测量了主要下肢肌肉的峰值扭矩。使用单腿跳跃和单腿平衡测试测量了功能表现。使用儿科生活质量问卷的身体和心理社会健康子量表进行了评估。进行了配对 t 检验和多元回归分析。与健康体重青少年相比，肥胖青少年的所有肌肉的峰值扭矩均降低（P < 0.05），功能表现更差（P < 0.05），身体健康相关的生活质量更差（P < 0.05）。下肢功能表现与肥胖组生活质量的某些方面相关（P = 0.002），但与健康体重组无关（P < 0.05）。这些结果可能有助于鼓励在肥胖青少年中推广运动、体育活动和提高生活质量的最佳实践。
