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首页> 外文期刊>Nursing research >Self-efficacy and perceived exertion of girls during exercise.
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Self-efficacy and perceived exertion of girls during exercise.

机译：女孩在运动中的自我效能感和感知的运动能力。

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BACKGROUND: An important national goal in Healthy People 2010 is to reduce the high prevalence of sedentary lifestyles and resultant overweight and obesity among girls. OBJECTIVES: The purpose of the present study was threefold: (a) to determine if pre-exercise self-efficacy predicted girls' perceptions of exertion during exercise, (b) to determine if these perceptions, in turn, influenced postexercise self-efficacy, and (c) to assess if exercise self-efficacy increased following completion of an exercise task. METHODS: A sample of 103 girls, 8 to 17 years of age, pedaled 20 minutes on a cycle ergometer at 60% of their predetermined peak VO2 in a climatic chamber (90 degrees F, 50% relative humidity). Ratings of perceived exertion were obtained every 4 minutes. Exercise self-efficacy was assessed before and after the exercise session. RESULTS: Controlling for peak VO2 and percent body fat, pre-exercise efficacy exerted an independent effect on perception of exertion during exercise with girls high on pre-exercise self-efficacy reporting lower perceived exertion during exercise, than girls low on self-efficacy. Both pre-exercise efficacy and perceived exertion explained postexercise efficacy. Exercise self-efficacy increased significantly from pre- to postexercise. CONCLUSIONS: Pre-exercise efficacy is an important factor influencing girls' perceptions of exertion during exercise and their postexercise efficacy. Increased exercise self-efficacy of girls following successful completion of an exercise challenge suggests possible strategies to increase physical activity.
机译：背景：《 2010年健康人》中一项重要的国家目标是减少久坐的生活方式的普遍流行以及由此导致的女孩超重和肥胖。目的：本研究的目的是三方面的：（a）确定锻炼前的自我效能感是否预测了女孩在运动过程中的运动意识;（b）确定这些感觉是否进而影响了锻炼后的自我效能感; （c）评估运动任务完成后运动自我效能是否提高。方法：抽样的103名8至17岁女孩在自行车测功机上以其预定峰值VO2的60％在气候室内（90华氏度，相对湿度50％）踩了20分钟。每4分钟获得一次感知的劳累等级。运动前后评估运动自我效能。结果：运动前的自我控制能力控制较高的女孩，与运动前的自我感觉控制能力较弱的女孩相比，运动前的自我控制能力对控制VO2峰值和体内脂肪百分比具有独立的影响。运动前的功效和感觉到的劳累都可以解释运动后的功效。从锻炼前到锻炼后，锻炼自我效能显着提高。结论：运动前的功效是影响女孩在运动中的运动意识及其运动后功效的重要因素。成功完成运动挑战后，女孩运动自我效能的提高提示增加身体活动的可能策略。

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