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首页> 外文期刊>Prevention science: the official journal of the Society for Prevention Research >Web-Enabled Feedback Control Over Energy Balance Promotes an Increase in Physical Activity and a Reduction of Body Weight and Disease Risk in Overweight Sedentary Adults
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Web-Enabled Feedback Control Over Energy Balance Promotes an Increase in Physical Activity and a Reduction of Body Weight and Disease Risk in Overweight Sedentary Adults

机译：基于Web的能量平衡反馈控制可促进超重久坐的成年人的体育锻炼，体重减轻和疾病风险的降低

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This study aims to investigate whether a Web-based tool will facilitate the adoption of feedback control over calorie balance in overweight individuals, thereby promoting an increase of physical activity and a reduction of body weight and cardiovascular risk factors. This is a prospective exercise intervention study, commencing with a minimum weekly 3 × 20-min requirement of high-intensity interval training and requirement for Web-based self-monitoring and self-reporting of exercise and body weight. Subjects of this study include 83 overweight, sedentary, otherwise healthy adults aged 26-68 years. Anthropometric parameters, body fat, peak oxygen consumption, self-reported physical activity, frequency of use of the Web-based tool are among the characters measured in this study. This 24-week intervention substantially increased time spent for exercise (mean and median of 135 and 170 min/week, respectively) among the 72 % of participants who had adopted cognitive feedback control vs. no increase in the remaining participants of nonadopters. Adopters witnessed significantly improved peak oxygen consumption of 1 metabolic equivalent vs. no improvement among nonadopters. Adopters also reduced body mass index, body weight, and body fat by 1.6 kg/m2, 4.8 kg, and 3.6 kg, respectively vs. 0.4 kg/m2, 1.4 kg, and 1.1 kg in the control group. The increase in physical activity came at virtually no intervention effort of the investigators. This study demonstrates for the first time that adoption of cognitive feedback control over energy balance is possible with the help of a simple Web-based tool and that overweight adopters self-regulate exercise volume to significantly reduce body weight and improve biomarkers of fitness and cardiovascular risk.
机译：这项研究的目的是调查基于Web的工具是否将促进超重个体对卡路里平衡的反馈控制的采用，从而促进体力活动的增加以及体重和心血管危险因素的减少。这是一项前瞻性运动干预研究，开始于每周至少3×20分钟的高强度间歇训练要求，以及基于网络的自我监测和运动和体重自我报告的要求。这项研究的对象包括83位年龄在26-68岁之间的超重，久坐不动的健康成年人。人体测量参数，体脂，峰值耗氧量，自我报告的体育活动，基于Web的工具的使用频率是本研究测量的特征。在采用认知反馈控制的72％参与者中，这种为期24周的干预显着增加了运动时间（分别为平均和中位数135和170分钟/周，分别为135和170分钟/周），而其余的非采用者则没有增加。采用者目睹的峰值耗氧量显着改善，大于1个代谢当量，而非采用者之间没有改善。采用者还将体重指数，体重和体脂分别降低了1.6 kg / m2、4.8 kg和3.6 kg，而对照组的体重降低了0.4 kg / m2、1.4 kg和1.1 kg。身体活动的增加几乎不需要研究人员的干预。这项研究首次证明，借助一个简单的基于Web的工具，就有可能采用认知反馈控制能量平衡，并且超重采用者可以自我调节运动量，从而显着减轻体重并改善健身和心血管疾病风险的生物标志物。

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