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Evaluation of microvolt T wave alternant as an index to determine exercise intensity for fat-children
Author(s): 
Pages: 64-67
Year: Issue:  6
Journal: Journal of Shandong Institute of Physical Education and Sports

Keyword:  肥胖儿童运动微伏级T波电交替;
Abstract: 目的:评估微伏级T波电交替是否可作为制定肥胖儿童运动强度的可靠指标.方法:实验分为两组:肥胖组28人,正常对照组36人,实验前分别测定空腹血糖、血脂,并测量血压和身高、体重等指标,然后采用Bruce方案行平板运动试验,并进行MTWA测定.结果:肥胖组儿童和正常组比较血压和血糖无差异,但其血胆固醇高丁正常组儿童,高密度脂蛋白则低于正常组(5.32±0.23 vs4.28±0.34;1.02±0.12 vs 1.23±0.25),其MTWA发生率(63%vs25%)和发生时的心率(58%极量心率vs 79%极量心率)有显著差异.结论:肥胖儿童在较低心率时就有可能发生MTWA变化,在制定运动方案时需强调个体化,避免引起运动性风险.
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