脊柱-平底屈曲任务期间的皮层激活及其与脚不稳定性中的感官运动功能的关联
Songlin Xiao, Chuyi Zhang1, Bin Shen1
1Key Laboratory of Exercise and Health Sciences of Ministry of Education, Shanghai University of Sport, Shanghai, CHINA.
Medicine and science in sports and exercise
|December 11, 2024
概括
患有慢性脚不稳定 (CAI) 的人表现出较差的感觉运动功能和大脑关键区域的皮质激活减少. 这些神经生理学变化与脚控制障碍有关,可能是这种情况的基础.
科学领域:
- 神经科学是一个神经科学.
- 运动学 运动学
- 整形外科 整形外科 整形外科
背景情况:
- 慢性脚不稳定 (CAI) 是一种普遍影响感觉运动控制的疾病.
- 了解CAI的神经生理基础对于开发有效的干预措施至关重要.
研究的目的:
- 调查CAI和没有CAI的个体之间在背部 - 脚部屈曲任务期间皮质激活的差异.
- 探索CAI中传感运动功能缺陷和皮质激活模式之间的关联.
主要方法:
- 一项涉及31名患有CAI的成年人和31名健康对照者的横截面研究.
- 评估感觉运动功能,包括关节位置感和力感.
- 任务状态功能磁共振成像 (fMRI) 在背部 - 脚部屈曲任务期间.
主要成果:
- 患有CAI的个体表现出明显较差的关节位置感和力感.
- CAI与感觉运动网络的下皮层激活有关,包括右后中心,右补充运动区域 (SMA) 和左前中心.
- 在患有CAI的个体中,观察到右门和左前枢环之间功能连接较弱.
结论:
- 与健康对照人群相比,患有CAI的个体表现出受损的感觉运动功能和改变的皮质激活模式.
- 感觉运动网络中的神经生理学变化与CAI的病理生理学有关.
- 横向flexion位置感觉显示了CAI中皮质激活的特定关联,表明有针对性的神经适应.
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