中风后双手伸展时双亲和非双亲上肢的控制。

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Amit Sethi, Arjun Acharya, Sandesh Raj, Natalia Dounskaia
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引用次数: 1

摘要

日常生活中的大多数动作都需要两个上肢以高度协调的方式进行。虽然人们认识到中风后双手运动受损,但了解双亲性和非双亲性UE是如何导致这种损害的,对未来的干预措施很重要。我们研究了8名慢性卒中患者和8名健康对照者在单手和双手操作期间,双亲性和非双亲性UE患者肩关节、肘关节和腕关节的动力学和运动学。运动学分析显示,冲程的影响很小。然而,动力学分析显示,在单手运动中,两种UE的关节控制在单手和双手运动中都受到损害,尽管非双亲性UE的程度低于双亲性UE。在双手运动时,双亲UE的关节控制没有改变,而非双亲UE的关节控制比单手运动时进一步恶化。我们的研究结果表明,单次的双手任务表现并不能改善双亲UE的联合控制,反而会削弱非双亲UE的控制,使其更像双亲UE。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Control of paretic and non-paretic upper extremity during bimanual reaching after stroke.

Most actions of daily life engage the two upper extremities (UEs) in a highly coordinated manner. While it is recognized that bimanual movements are impaired post-stroke, understanding how the paretic and non-paretic UE contributes to this impairment is important for future interventions. We investigated kinetic and kinematics at the shoulder, elbow, and wrist joints in the paretic and non-paretic UE in 8 individuals with chronic stroke and non-dominant UE in 8 healthy controls during unimanual and bimanual tasks. Kinematic analysis revealed little effect of stroke. However, kinetic analysis revealed that during unimanual movements, joint control was impaired during unimanual and bimanual movements in both UEs, although to a lesser extent in the non-paretic than paretic UE. During bimanual movements, joint control did not change in the paretic UE, and it further deteriorated in the non-paretic UE compared with the unimanual movements. Our findings suggest that a single session of bimanual task performance does not improve joint control of the paretic UE and it impairs control of the non-paretic UE, making it more like that of the paretic UE.

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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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