Sarcopenia in older adults is closely related to vitamin D deficiency and reduced levels of physical activity, but little has been reported on the interaction between physical activity and the positive effects of vitamin D. The purpose of this study was to explore the interactive effect of vitamin D and physical activity on muscle mass and function through animal experiments and population surveys.

中文翻译：

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维生素 D 对肌肉减少症的影响取决于老年人的身体活动水平。

老年人肌肉减少症与维生素 D 缺乏和体力活动水平降低密切相关，但很少有关于体力活动与维生素 D 积极作用之间相互作用的报道。本研究的目的是探讨维生素的相互作用D 和体育活动对肌肉质量和功能的影响，通过动物实验和人口调查。