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首页> 外文期刊>Journal of neural transmission >Successful physical exercise-induced weight loss is modulated by habitual sleep duration in the elderly: results of a pilot study
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Successful physical exercise-induced weight loss is modulated by habitual sleep duration in the elderly: results of a pilot study

机译：成功的体育诱导的体重减轻通过老年人习惯性睡眠时间来调节：试点研究的结果

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Although it is widely accepted that physical exercise promotes weight loss, physical exercise alone had been found to result in only marginal weight loss compared to no treatment. Interestingly, both subjective and objective sleep duration have been shown to be negatively correlated to the body mass index (BMI). Despite this growing evidence of a relation between sleep duration and body weight, the role of habitual sleep duration in physical exercise-induced weight loss has not been studied so far. Twenty-two healthy elderly good sleepers aged 61-76 years (mean 68.36 years, 55 % female, BMI mean 25.15 kg/m(2)) either took part in a 12-week aerobic endurance training (3 x 30 min/week) or in a relaxation control (2 x 45 min/week). The BMI was assessed prior to and after intervention. Subjects maintained sleep logs every morning/evening during the training period, allowing for calculation of habitual sleep duration. Besides a significant main effect of the type of training, a significant interaction of type of training and habitual sleep duration was observed: while after treadmill training subjects who slept less than 7.5 h/night during intervention reduced their BMI by nearly 4 %, a comparable decrease in the BMI was found neither in subjects who slept more than 7.5 h nor after relaxation training independent of sleep duration. Sleep duration itself did not change in any group. Although results should be interpreted with caution due to the small sample size, this is the first study to indicate that physical exercise might compensate for disturbed body weight regulation associated with short sleep duration.
机译：虽然众所周知，体育锻炼促进体重减轻，但仅发现单独的体育锻炼，与无治疗相比只导致边际减重。有趣的是，主观和客观睡眠持续时间被证明与体重指数（BMI）负相关。尽管睡眠持续时间和体重之间的关系存在这种情况，但到目前为止还没有研究体育诱导体重减轻的习惯性睡眠持续时间的作用。 22岁的健康老年休眠机61-76岁（平均68.36岁，55％女性，BMI平均25.15千克/米（2））取得了12周的有氧耐力训练（3 x 30分钟/周）或放松控制（2 x 45分钟/周）。在干预之前和之后评估BMI。受试者在训练期间每天早上/晚维持睡眠日志，允许计算习惯性睡眠持续时间。除了培训类型的主要效果外，观察到训练类型和习惯性睡眠持续时间的显着相互作用：在跑步机培训受试者后，在干预期间睡眠不到7.5小时，速度将其BMI减少近4％，可比较BMI的减少既没有在睡眠超过7.5小时的主题中也没有，也没有独立于睡眠持续时间。睡眠持续时间本身并未在任何组中更改。尽管由于样本量小，结果应谨慎地解释，但这是第一项研究表明体育锻炼可能会弥补与睡眠持续时间短相关的受干扰的体重调节。

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