Impact of chronic low back pain on implicit motor imagery assessed by a new laterality judgment task.

IF 4 2区 医学 Q1 CLINICAL NEUROLOGY
Lucette Toussaint, Maxime Billot, Rémi Cabirol, Philippe Rigoard, Romain David, Paul Teillet, Romain Tisserand
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引用次数: 0

Abstract

It is clear that implicit motor imagery (IMI) is impaired by chronic pain in peripheral regions (hand, feet), but unclear in axial regions (neck, shoulder, back). Previous IMI tasks displayed small-amplitude movements of axial regions, which limits person-centered IMI processes mobilization. This study aimed to assess the impact of chronic low back pain (CLBP) on IMI processes with a new task displaying large-amplitude whole-body movements mobilizing the lumbar spine. Twenty patients with CLBP and twenty age-matched controls performed a laterality judgment task on four distinct whole-body movements (trunk flexion, trunk rotation, capoeira, kickboxing). Participants viewed images from four different body viewpoints (back, left, right and front), randomly presented. Mixed ANOVAs were used to compare judgment accuracy and response times between groups and conditions. In participants with CLBP, response times were longer than in controls. The response times of participants with CLBP were also associated with DN4 scores, a self-reported questionnaire assessing neuropathic pain. We validated the use of a person-centered IMI because, for all participants, the accuracy decreased and the response times increased for images presented in the front viewpoint, i.e. when a 180° turn in IMI was required, compared to other viewpoints. The laterality judgment task proposed here confirmed that CLBP impacts IMI processes, and that the nature of pain (neuropathic or mechanical) needs to be considered because it seems to modulate IMI processes. PERSPECTIVES: A laterality judgment task with large-amplitude lumbar movements is key to show that CLBP alters processing speed of sensorimotor information originating from the painful region. This task could become an objective tool, transferable in clinical settings, for assessing the impact and the progression of CLBP on motor control processes.

通过新的侧向判断任务评估慢性腰背痛对内隐性运动想象的影响。
显而易见,慢性疼痛会损害外周区域(手部、脚部)的内隐运动意象(IMI),但轴向区域(颈部、肩部、背部)的内隐运动意象还不清楚。以往的内隐运动想象任务显示的是轴向区域的小振幅运动,这限制了以人为中心的内隐运动想象过程的调动。本研究旨在评估慢性腰背痛(CLBP)对 IMI 过程的影响,新任务显示了腰椎的大振幅全身运动。20 名慢性腰背痛患者和 20 名年龄匹配的对照组患者就四种不同的全身运动(躯干屈曲、躯干旋转、卡波耶拉、跆拳道)进行了侧向判断任务。参与者从四个不同的身体视角(后方、左侧、右侧和前方)观看随机呈现的图像。混合方差分析用于比较不同组别和条件下的判断准确性和反应时间。与对照组相比,CLBP 患者的反应时间更长。CLBP患者的反应时间还与DN4评分有关,DN4是一种评估神经病理性疼痛的自我报告问卷。我们验证了以人为中心的 IMI 的使用,因为对于所有参与者来说,与其他视角相比,以正面视角呈现的图像(即需要在 IMI 中旋转 180°)的准确性降低,反应时间延长。在此提出的侧向判断任务证实了慢性阻塞性脑脊髓膜炎会影响 IMI 过程,而且需要考虑疼痛的性质(神经性或机械性),因为它似乎会调节 IMI 过程。观点:腰部大振幅运动的侧向判断任务是显示慢性腰痛改变源自疼痛区域的感觉运动信息处理速度的关键。这项任务可以成为一种客观工具,用于临床环境,评估慢性腰椎间盘突出症对运动控制过程的影响和进展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Pain
Journal of Pain 医学-临床神经学
CiteScore
6.30
自引率
7.50%
发文量
441
审稿时长
42 days
期刊介绍: The Journal of Pain publishes original articles related to all aspects of pain, including clinical and basic research, patient care, education, and health policy. Articles selected for publication in the Journal are most commonly reports of original clinical research or reports of original basic research. In addition, invited critical reviews, including meta analyses of drugs for pain management, invited commentaries on reviews, and exceptional case studies are published in the Journal. The mission of the Journal is to improve the care of patients in pain by providing a forum for clinical researchers, basic scientists, clinicians, and other health professionals to publish original research.
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