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较少的粉虫蛋白对运动诱导的肌肉损伤的影响,活跃的老年人:一个随机对照试验

Lotte Koopmans¹, Marcia Spoelder², Coen C W G Bongers³

¹Department of Medical BioSciences, Radboud University Medical Center, Nijmegen, The Netherlands.

The journal of nutrition, health & aging

|March 9, 2024

概括

在老年人中,12周的较小粉虫蛋白质补充剂并没有减少运动诱导的肌肉损伤. 这项研究发现,长时间行走后与乳清蛋白或安慰剂相比,没有显著的差异.

科学领域:

营养科学营养科学
运动生理学运动生理学
老年学是一门学科.

背景情况:

老年人容易受到运动诱导的肌肉损伤 (EIMD).
蛋白质补充正在探索以减轻EIMD和支持恢复.
新型蛋白质来源,如较少的粉虫蛋白质,需要进行调查.

研究的目的:

为了比较较小粉虫蛋白补充剂与乳清蛋白和安慰剂在老年人减轻EIMD的疗效.
评估12周补充剂对肌肉损伤标志物和长时间行走运动后身体功能的影响.

主要方法:

一项随机对照试验,涉及70名身体活跃的老年人 (>60岁).
参与者被分配到12周的较小粉虫蛋白,乳清蛋白或安慰剂组.
肌肉损伤标志物 (肌激酶,乳酸脱酶),手握强度和肌肉疼痛在长途行走挑战3天前后进行测量.

主要成果:

在所有组中,长时间的步行运动显著增加了肌激酶和乳酸脱酶水平.
补充剂组之间没有观察到肌肉损伤标志物大小的显著差异.
炼后手握强度下降,肌肉疼痛增加,没有特定群体的变化.

结论:

在老年人中,12周较少的基于粉虫的蛋白质补充剂并不能减轻运动诱导的肌肉损伤.
这些发现表明,较少的粉蛋白在减轻该人群中的EIMD方面并不优于乳清蛋白或安慰剂.
可能需要进一步的研究来探索最佳剂量或不同种群,以减少虫蛋白的有效性.

关键词:

阿尔菲托比乌斯 (Alphitobius diaperinus) 是一个长毛虫.年长的老人.耐力运动是一种耐力运动.昆虫昆虫是一种昆虫.肌肉损伤可能导致肌肉损伤.

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Exercise and Muscle Performance

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Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...