饮食模式和肌肉强度下降的发生率:来自韩国基因组和流行病学研究的发现
Yuji Jeong1, Seok-Won Son1, Se-Hong Kim1
1Department of Family Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
The journal of nutrition, health & aging
|February 8, 2026
概括
高蛋白饮食可能会增加老年人肌肉强度下降的风险. 均衡的宏观营养素摄入量,而不仅仅是蛋白质,似乎更适合随着时间的推移保持肌肉力量.
科学领域:
- 老年学和营养科学研究
- 老龄化的流行病学.
- 肌肉生理学 肌肉生理学
背景情况:
- 肌肉力量对于老年人的功能能力至关重要.
- 关于饮食模式和肌肉力量下降的前性证据是不一致的.
- 饮食蛋白质在维持肌肉力量中的作用需要进一步研究.
研究的目的:
- 调查基于宏观营养素的饮食模式与40岁及以上的成年人肌肉力量下降的相关性.
- 检查不同的饮食模式 (高碳水化合物,高脂肪,高蛋白) 如何影响肌肉强度下降的风险.
- 分析各种饮食模式中手握强度的纵向变化.
主要方法:
- 从韩国基因组和流行病学研究中对31,968名韩国成年人 (≥40岁) 的分析.
- 根据宏观营养素能量比例分类为高碳水化合物,高脂肪,高蛋白和正常饮食组.
- 使用Cox比例危险模型和线性混合效应模型来评估风险和手柄强度的纵向变化.
主要成果:
- 高蛋白饮食模式与发生肌肉力量下降的风险更高有关 (调整HR1.45).
- 对于高碳水化合物或高脂肪饮食模式与肌肉力量下降没有发现显著的关联.
- 手握强度的纵向变化在饮食模式组之间没有显著差异.
结论:
- 在中年和老年韩国成年人中,高蛋白饮食与肌肉力量下降的风险增加有关.
- 高碳水化合物和高脂肪饮食模式与肌肉力量的下降没有显著关联.
- 均衡的宏观营养素组成,而不是仅仅摄入蛋白质,可能是维持肌肉力量的关键.
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