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Do Obese Children Perceive Submaximal and Maximal Exertion Differently?

机译：肥胖儿童对最大运动量和最大运动量的看法不同吗？

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We examined how obese children perceive a maximal cardiorespiratory fitness test compared with a submaximal cardiorespiratory fitness test. Twenty-one obese children (body mass index ≥95th percentile, ages 10–17 years) completed maximal and submaximal cardiorespiratory fitness tests on 2 separate occasions. Oxygen consumption (VO2) and overall perceived exertion (Borg 15-category scale) were measured in both fitness tests. At comparable workloads, perceived exertion was rated significantly higher (P < 0.001) in the submaximal cardiorespiratory fitness test compared with the maximal cardiorespiratory fitness test. The submaximal cardiorespiratory fitness test was significantly longer than the maximal test (14:21 ± 04:04 seconds vs. 12:48 ± 03:27 seconds, P < 0.001). Our data indicate that at the same relative intensity, obese children report comparable or even higher perceived exertion during submaximal fitness testing than during maximal fitness testing. Perceived exertion in a sample of children and youth with obesity may be influenced by test duration and protocol design.
机译：我们研究了肥胖儿童对次最大心肺适应性测试的看法。 21名肥胖儿童（体重指数≥95％，年龄10-17岁）分别在2次不同的场合完成了最大和次最大心肺适应性测试。在两个适应性测试中均测量了氧气消耗量（VO2）和整体感知的劳累力（博格15级量表）。在可比较的工作量下，与最大心肺适应性测试相比，次最大心肺适应性测试中的感知劳累评分明显更高（P <0.001）。次最大心肺适应性测试显着长于最大测试（14:21±04:04秒vs. 12:48±03:27秒，P <0.001）。我们的数据表明，在相同的相对强度下，与最大适应性测试相比，肥胖儿童在次最大适应性测试期间的感知劳累相当甚至更高。测试持续时间和实验方案设计可能会影响肥胖儿童和青少年的感知运动量。

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