亚临床颈痛对目标引导的上肢瞄准运动中眼部和手部动作的影响。

IF 1.6 3区 心理学 Q4 NEUROSCIENCES Human Movement Science Pub Date : 2024-06-01 DOI:10.1016/j.humov.2024.103238
Navika Cheema, Paul Yielder, Praveen Sanmugananthan, Ushani Ambalavanar, Bernadette Murphy
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引用次数: 0

摘要

未经治疗的轻度至中度复发性颈部疼痛或僵硬(亚临床颈痛 (SCNP))患者已被证明存在上肢本体感觉障碍和小脑处理改变。由于来自颈部的传入信息发生改变,亚临床颈痛患者无法依靠准确的本体感觉反馈或前馈处理(身体图式)进行运动规划和执行,因此很可能会影响瞄准轨迹。因此,SCNP 患者可能会更加依赖视觉反馈,以适应受损的小脑处理过程。这项准实验研究旨在确定 SCNP 患者的上肢运动学和眼球运动过程是否受到影响。25 名 SCNP 患者和 25 名右手优势的对照组参与者在佩戴眼动仪的情况下,使用两种不同重量的测针(轻型或重型)进行双向瞄准运动。与对照组相比,SCNP 患者达到峰值速度的时间和峰值速度之后的时间更长,这与上肢运动和反应时间更长相对应,表现为更大的恒定误差、向上方向的下偏更小以及向下方向的下偏更大。与对照组相比,SCNP 参与者的眼部反应和移动时间也有加快的趋势,而各组之间的移动距离则相当接近。这项研究表明,SCNP 会改变瞄准表现,更依赖于视觉反馈,这可能是由于本体感觉输入的改变导致了小脑处理的改变。
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Impact of subclinical neck pain on eye and hand movements in goal-directed upper limb aiming movements

Individuals with untreated, mild-to-moderate recurrent neck pain or stiffness (subclinical neck pain (SCNP)) have been shown to have impairments in upper limb proprioception, and altered cerebellar processing. It is probable that aiming trajectories will be impacted since individuals with SCNP cannot rely on accurate proprioceptive feedback or feedforward processing (body schema) for movement planning and execution, due to altered afferent input from the neck. SCNP participants may thus rely more on visual feedback, to accommodate for impaired cerebellar processing. This quasi-experimental study sought to determine whether upper limb kinematics and oculomotor processes were impacted in those with SCNP. 25 SCNP and 25 control participants who were right-hand dominant performed bidirectional aiming movements using two different weighted styli (light or heavy) while wearing an eye-tracking device. Those with SCNP had a greater time to and time after peak velocity, which corresponded with a longer upper limb movement and reaction time, seen as greater constant error, less undershoot in the upwards direction and greater undershoot in the downwards direction compared to controls. SCNP participants also showed a trend towards a quicker ocular reaction and movement time compared to controls, while the movement distance was fairly similar between groups. This study indicates that SCNP alters aiming performances, with greater reliance on visual feedback, likely due to altered proprioceptive input leading to altered cerebellar processing.

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来源期刊
Human Movement Science
Human Movement Science 医学-神经科学
CiteScore
3.80
自引率
4.80%
发文量
89
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."
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