在前十字带重建的个体中,腿筋皮质运动和神经机械功能
Moein Koohestani1, David A Sherman2, Justin L Rush3
1Cognition, Neuroplasticity, & Sarcopenia (CNS) Laboratory, Institute of Exercise Physiology and Rehabilitation Science, University of Central Florida, Orlando, FL, USA.
概括
在前十字带 (ACL) 重建后,腿筋显示神经变化和扭矩减少. 康复必须解决神经和肌肉损伤,以便在ACL手术后更好地恢复.
科学领域:
- 神经学 神经学
- 整形外科 整形外科 整形外科
- 运动医学 运动医学
背景情况:
- 神经肌肉变化是前十字带 (ACL) 重建后经常发生的,但影响腿筋的特定神经机制仍然不太了解.
- 虽然在ACL重建后 (ACLR) 广泛研究四头四肢的功能,但对腿筋的可比数据很少,这在康复策略中造成了知识差距.
研究的目的:
- 在经过ACL重建的个体中调查腿筋的皮质运动和神经机械功能.
- 在ACLR之后,探索神经适应和受影响四肢的扭矩缺陷之间的关系.
主要方法:
- 评估了23名患有单边ACLR的成年人,使用腿筋肌自体移植,测量皮质运动功能 (活跃运动值,运动唤起潜力,皮质内抑制,促进,皮质静止期) 和神经机械功能 (最大自愿同位数收缩扭矩,扭矩发展速度).
- 使用对样本t测试或Wilcoxon签名等级测试,比较涉及和未涉及四肢之间的结果.
- 使用相关系数分析了涉及的四肢结果之间的关联.
主要成果:
- 患有ACLR的个体表现出明显较短的皮质静止期和较低的最大自发同度收缩扭矩和扭矩发展的晚期速度,与不涉及的肢体相比,受影响的肢体.
- 较低的活跃电机值和涉及的腿筋中的皮层内促进与扭矩发展的晚期阶段速度的减少相关.
- 减少的电机唤起潜力与较低的最大自发同度收缩扭矩有关.
结论:
- 腿筋经历神经适应,包括减少皮质脊髓抑制,ACL重建后,有助于持续的扭矩缺陷.
- 这些发现强调了需要进行旨在针对ACLR后神经和外围损伤的康复计划,以优化功能恢复.
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