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Functional relationships between gaze behavior and movement kinematics when performing high bar dismounts – an exploratory study

机译：进行高杆拆卸时，注视行为与运动运动学之间的功能关系–探索性研究

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Purpose. The aims of this study were, first, to investigate visual spotting and, second, to explore the functional relationships between movement structure and gaze behavior in gymnasts as they perform preparatory giant swings (traditional and scooped technique) and dismounts (single straight and double tucked salto) with increasing difficulty on the high bar. It was predicted that visual spotting would occur in all experimental tasks. Methods. Relationships between gaze behavior and movement kinematics were explored to provide a clearer picture of how gaze is interconnected with the kinematics of dismounts on the high bar. For this purpose, kinematic parameters were measured with an optical movement-analysis system while gaze behavior was measured by using a portable and wireless eye-tracking system. Results. The measurement of gaze behavior revealed that gymnasts use visual spotting in all three tasks showing fixations throughout the whole movement. Each task was furthermore characterized by a sequence of visual fixations that was thought to serve specific movement goals. In particular, fixations during the downswing phase of the preparatory giant swings were significantly correlated with the movement phases when beginning the hip extension and flexion in the “kick through” as well as with the athlete’s distance of flight during the dismounts. Conclusions. The findings suggest that gymnasts can use visual spotting during preparatory giant swings and dismounts on the high bar and that there are functional relationships between different fixations and specific movement goals.
机译：目的。这项研究的目的是，首先，调查视觉斑点，其次，探究体操运动员在进行准备性大挥杆（传统和sc式技巧）和下马（单直和双uck）时，运动结构与凝视行为之间的功能关系。 salto）在高杆上难度越来越大。预计在所有实验任务中都会出现视觉斑点。方法。探索了凝视行为与运动运动学之间的关系，以更清晰地了解凝视与高杆上的下垂运动学之间的关系。为此，使用光学运动分析系统测量运动学参数，同时使用便携式无线眼动仪测量凝视行为。结果。对凝视行为的测量表明，体操运动员在所有三项任务中都使用视觉斑点，显示了整个运动过程中的注视。此外，每个任务的特征是一系列视觉固定，这些视觉固定被认为可以满足特定的运动目标。尤其是，在准备大挥杆的下摆阶段中的固定与“踢穿”中开始髋部伸展和屈曲时的运动阶段以及下车过程中运动员的飞行距离显着相关。结论。研究结果表明，体操运动员可以在准备的大型挥杆和高杆下马时使用视觉识别，并且不同的注视点和特定的运动目标之间存在功能关系。

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