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为了获利而造成的损害:投手悖论的有用损害
Rita Chiaramonte1, Gianluca Testa2, Antonino Russo1
1Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy.
Heliyon
|February 8, 2024
概括
青少年排球运动员在主导手臂中增加了肩部外部旋转 (ER),但关节仍然稳定. 攻击者早期的肩部适应可能会影响膜部距离,表明潜在的形态变化.
科学领域:
- 运动医学 运动医学
- 整形外科 整形外科 整形外科
- 生物力学 生物力学
背景情况:
- 在青少年运动员中,关节的运动特异性适应是常见的.
- 现有的研究主要集中在过度使用伤害上,关于预防的数据有限,对成年运动员的重视更大.
- 需要了解年轻运动员的早期肩部适应,以确定潜在的受伤风险因素.
研究的目的:
- 在无症状的青少年排球运动员中研究关节关节的运动特异性适应.
- 为了确定这群人群中肩部受伤的潜在风险因素.
- 评估年轻运动员的腺关节形态和运动范围.
主要方法:
- 一项观察性研究涉及40名无症状的16岁以下排球运动员的临床查.
- 双边评估肩部内部旋转 (IR),外部旋转 (ER),运动范围 (ROM),关节内侧旋转缺陷 (GIRD),关节松 (贝顿分数) 和超声波 (US) 关节距离.
- 考虑各种变量,包括球员的位置,开始运动的年龄,四肢的主导地位,体重和身高.
主要成果:
- 美国的中位数是0.42±0.26厘米,与健康的非运动群体相比.
- 占主导地位的肩部ER ROM显著大于抵押方 (P=0.0001).
- 攻击者的ER ROM与他们的美国关节间距离 (P=0.0413) 之间发现了显著的相关性;对于肢体之间的IR ROM或美国关节间距离,没有发现显著差异.
结论:
- 在主导肢体中增加肩部ER并不一定表明在没有过度松的头部运动员中不稳定.
- 增加的ER与进攻排球运动员的膜部距离变化有关,这表明早期的形态适应.
- 这些发现强调,肩膀形态适应过程在青少年攻击者中很早就开始.
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