当前和过去的类固醇类固醇滥用对带肌的影响
Ann Damgaard1,2, Grith Højfeldt1,2, Olivia Thorsgaard1
1Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Bispebjerg Hospital, Copenhagen University Hospital, Copenhagen, Denmark.
The American journal of sports medicine
|May 23, 2025
概括
类固醇类固醇 (AAS) 的滥用与更多的上肢肌损伤有关,但状肌本身没有显著的结构损伤. 前AAS使用者在肌中表现出改变的机械特性.
科学领域:
- 运动医学 运动医学
- 内分泌学 在内分泌学.
- 整形外科手术 整形外科手术
背景情况:
- 类固醇-雄激素类固醇 (AAS) 是合成的衍生品,运动员为了提高表现而滥用.
- 滥用AAS的人面临更高的肌破裂风险,这表明肌组织可能受到损害.
- 关于AAS对肌组织的影响,人类研究有限,没有关于女性的数据.
研究的目的:
- 调查当前和以前的AAS滥用对骨 (PT) 的影响.
- 为了测试AASs不会影响肌组织的假设.
主要方法:
- 包括休运动员在内的横截面研究 (证据水平,3):目前的AAS用户 (n=22),前用户 (n=12) 和非用户 (n=14).
- 评估肌损伤,PT横截面积 (MRI),机械特性 (超声波),基因表达 (连接组织蛋白质) 和细胞密度 (组织学).
主要成果:
- 滥用AAS的人报告的上肢肌受伤率 (79.4%) 比非使用者 (28.6%) 多.
- 两组之间没有发现PT横截面积或细胞密度的差异.
- 目前的AAS滥用者表现出更高的IGF-1mRNA表达;以前的滥用者增加了肌变形和应变.
结论:
- 状肌 (PT) 似乎没有受到AAS滥用的严重影响.
- 虽然结构完整性似乎保留了,但改变的机械特性和基因表达表明了微妙的变化.
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