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首页> 外文期刊>International Journal of Environmental Research and Public Health >Effects of the Visual Exercise Environments on Cognitive Directed Attention, Energy Expenditure and Perceived Exertion
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Effects of the Visual Exercise Environments on Cognitive Directed Attention, Energy Expenditure and Perceived Exertion

机译：视觉锻炼环境对认知定向注意力，能量消耗和感知运动的影响

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Green exercise research often reports psychological health outcomes without rigorously controlling exercise. This study examines effects of visual exercise environments on directed attention, perceived exertion and time to exhaustion, whilst measuring and controlling the exercise component. Participants completed three experimental conditions in a randomized counterbalanced order. Conditions varied by video content viewed (nature; bui control) during two consistently-ordered exercise bouts (Exercise 1: 60% VO2peakInt for 15-mins; Exercise 2: 85% VO2peakInt to voluntary exhaustion). In each condition, participants completed modified Backwards Digit Span tests (a measure of directed attention) pre- and post-Exercise 1. Energy expenditure, respiratory exchange ratio and perceived exertion were measured during both exercise bouts. Time to exhaustion in Exercise 2 was also recorded. There was a significant time by condition interaction for Backwards Digit Span scores (F2,22 = 6.267, p = 0.007). Scores significantly improved in the nature condition (p < 0.001) but did not in the built or control conditions. There were no significant differences between conditions for either perceived exertion or physiological measures during either Exercise 1 or Exercise 2, or for time to exhaustion in Exercise 2. This was the first study to demonstrate effects of controlled exercise conducted in different visual environments on post-exercise directed attention. Via psychological mechanisms alone, visual nature facilitates attention restoration during moderate-intensity exercise.
机译：绿色运动研究经常报告心理健康结果，而没有严格控制运动。这项研究检查了视觉锻炼环境对定向注意力，感知的劳累和疲惫时间的影响，同时测量和控制了锻炼成分。参与者以随机平衡的顺序完成了三个实验条件。在两次连续执行的健身运动中，锻炼条件因观看的视频内容（自然;内置;控制）而异（练习1：60％VO2peakInt，持续15分钟;练习2：85％VO2peakInt导致自愿精疲力尽）。在每种情况下，参与者在运动1之前和之后均完成了改良的向后数字跨度测试（定向注意力的度量）。在两次运动中均测量了能量消耗，呼吸交换率和感知的运动量。还记录了练习2中的疲劳时间。后向数字跨度得分的条件交互作用时间很长（F2,22 = 6.267，p = 0.007）。在自然条件下得分显着提高（p <0.001），但在自然条件或对照条件下却没有。在练习1或练习2中，或者在练习2中的力竭时间方面，感觉到的劳累或生理措施的条件之间没有显着差异。这是第一项研究，证明了在不同的视觉环境中进行受控锻炼对运动后的影响。锻炼定向注意力。仅通过心理机制，视觉本质就可以在中等强度的运动中促进注意力恢复。

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