注意力分散不会影响腰椎在重复屈伸运动时的局部动态稳定性

IF 1.1 4区 心理学 Q4 NEUROSCIENCES Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2024-05-23 DOI:10.1080/00222895.2024.2355932
Gabrielle B Galbraith, Dennis J Larson, Stephen H M Brown
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引用次数: 0

摘要

腰痛与腰椎局部动态稳定性(LDS)之间的关系似乎会受到是否以及如何对疼痛进行灾难化处理的影响,这表明对疼痛的认知可能会影响一个人控制腰椎运动的能力。以往的研究还表明,认知资源的引导和注意力的集中会影响运动表现。因此,我们旨在研究注意力分散是否会影响重复屈伸运动中的腰椎LDS。16 名参与者在两种基线条件下(前和后)进行了重复性脊柱屈伸运动,同时注意力被外部感官刺激或认知-运动双重任务(均以手部为目标)所分散。使用最大 Lyapunov 指数对连续重复 30 次运动的腰椎 LDS 进行了检测。与 "基线 "和 "后基线 "试验相比,认知-运动双重任务试验期间的感知心理工作量显著增加,而外部感官刺激试验期间的感知心理工作量则没有增加。对 LDS 唯一有统计学意义的影响发生在 "基线后 "试验中,该试验中的 LDS 比认知-运动双重任务试验中的 LDS 高。结合之前的研究,这些研究结果表明,在重复腰椎屈伸运动时分散注意力不会对腰椎LDS产生负面影响。
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Attentional Distractions Do Not Influence Lumbar Spine Local Dynamic Stability during Repetitive Flexion-Extension Movements.

The association between low back pain and lumbar spine local dynamic stability (LDS) appears to be modulated by if and how someone catastrophizes about pain, suggesting that the cognitive perceptions of pain may influence an individual's ability to control lumbar spine motion. Previous work also demonstrates that directing cognitive resources and attentional focus can influence movement performance. Therefore, we aimed to examine whether distracting attentional focus would influence lumbar spine LDS during repetitive flexion-extension movements. Sixteen participants performed repetitive spine flexion-extension movements under two baseline conditions (pre- and post-), and while attentional focus was distracted by either an external sensory stimulus or a cognitive-motor dual-task, both targeted at the hands. Lumbar spine LDS was examined over 30 continuous movement repetitions using maximum Lyapunov exponents. In comparison to both Baseline and Post-Baseline trials, the perceived mental workload was significantly elevated during the cognitive-motor dual-task trial but not the external sensory stimulus trial. The only statistically significant effect on LDS occurred in the Post-Baseline trial, where LDS was higher than in the cognitive-motor dual-task. In combination with previous work, these findings suggest that distracting attentional focus during repetitive lumbar spine flexion-extension movements does not have a negative influence on lumbar spine LDS.

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来源期刊
Journal of Motor Behavior
Journal of Motor Behavior 医学-神经科学
CiteScore
3.10
自引率
0.00%
发文量
39
审稿时长
>12 weeks
期刊介绍: The Journal of Motor Behavior, a multidisciplinary journal of movement neuroscience, publishes articles that contribute to a basic understanding of motor control. Articles from different disciplinary perspectives and levels of analysis are encouraged, including neurophysiological, biomechanical, electrophysiological, psychological, mathematical and physical, and clinical approaches. Applied studies are acceptable only to the extent that they provide a significant contribution to a basic issue in motor control. Of special interest to the journal are those articles that attempt to bridge insights from different disciplinary perspectives to infer processes underlying motor control. Those approaches may embrace postural, locomotive, and manipulative aspects of motor functions, as well as coordination of speech articulators and eye movements. Articles dealing with analytical techniques and mathematical modeling are welcome.
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