Defining characteristics of independent walking persons after stroke presenting with different arm swing coordination patterns

IF 1.6 3区心理学 Q4 NEUROSCIENCES Human Movement Science Pub Date : 2023-12-30 DOI:10.1016/j.humov.2023.103174

Anke Van Bladel , Roel De Ridder , Tanneke Palmans , Ruth Van der Looven , Geert Verheyden , Pieter Meyns , Dirk Cambier

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Abstract

Background

Persons after stroke present with an altered arm swing during walking. Given the known influence of the arm swing on gait, it is important to identify the characteristics of persons with stroke with different arm-to-leg coordination patterns during walking.

Methods

Twenty-five persons after stroke walked on a self-paced treadmill at comfortable walking speed. The frequency of shoulder movements per stride was detected by Fast Fourier transform analysis on the kinematic data for hemiplegic shoulder movements in the sagittal plane. An independent-sample t-test or Mann-Whitney U test was used to compare clinical and biomechanical parameters between identified subgroups.

Results

Two earlier described subgroups based on the number of shoulder flexion-extension movements during one stride could be confirmed. Participants in the 1:1 ratio subgroup (one arm swing during one stride, N = 15) presented with a less upper limb impairment and less spasticity of the elbow extensors (p = 0.012) than the participants in the 2:1 ratio subgroup (two arm swings during one stride, N = 9). Although not significant, the participants in the 1:1 subgroup also seemed to have less spasticity of the shoulder internal rotators (p = 0.06) and a less walking variability based on the standard deviation of the step width. Further research on a greater sample should confirm these findings.

Conclusion

Fast Fourier transform analysis was used to identify subgroups based on sagittal shoulder kinematics during walking. The clinical and gait related differences between the identified subgroups can be taken into account in future research investigating post-stroke gait interventions aiming to improve the arm swing.

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脑卒中后独立行走者不同摆臂协调模式的特征界定

背景脑卒中患者在行走过程中手臂摆动发生改变。鉴于摆臂对步态的已知影响，确定中风患者在行走过程中手臂与腿部协调模式不同的特征非常重要。通过快速傅立叶变换分析，检测偏瘫患者肩部在矢状面上每步运动的频率。采用独立样本 t 检验或曼-惠特尼 U 检验来比较已确定亚组之间的临床和生物力学参数。1:1比例亚组（一次跨步中摆动一次手臂，N = 15）的参与者比2:1比例亚组（一次跨步中摆动两次手臂，N = 9）的参与者上肢受损程度更轻，肘部伸肌痉挛程度更轻（P = 0.012）。1:1 亚组的参与者肩关节内旋肌的痉挛程度似乎也较低（p = 0.06），而且根据步幅的标准偏差计算，行走的可变性也较小，但这一点并不明显。对更多样本的进一步研究应能证实这些发现。结论快速傅立叶变换分析用于根据行走时肩关节矢状运动学来识别亚组。在未来对旨在改善摆臂的卒中后步态干预进行调查研究时，可以考虑所识别亚组之间的临床和步态相关差异。

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来源期刊

Human Movement Science 医学-神经科学

CiteScore

3.80

自引率

4.80%

发文量

审稿时长

42 days

期刊介绍： Human Movement Science provides a medium for publishing disciplinary and multidisciplinary studies on human movement. It brings together psychological, biomechanical and neurophysiological research on the control, organization and learning of human movement, including the perceptual support of movement. The overarching goal of the journal is to publish articles that help advance theoretical understanding of the control and organization of human movement, as well as changes therein as a function of development, learning and rehabilitation. The nature of the research reported may vary from fundamental theoretical or empirical studies to more applied studies in the fields of, for example, sport, dance and rehabilitation with the proviso that all studies have a distinct theoretical bearing. Also, reviews and meta-studies advancing the understanding of human movement are welcome. These aims and scope imply that purely descriptive studies are not acceptable, while methodological articles are only acceptable if the methodology in question opens up new vistas in understanding the control and organization of human movement. The same holds for articles on exercise physiology, which in general are not supported, unless they speak to the control and organization of human movement. In general, it is required that the theoretical message of articles published in Human Movement Science is, to a certain extent, innovative and not dismissible as just "more of the same."