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首页> 外文期刊>Thorax: The Journal of the British Thoracic Society >Effects of swimming training on aerobic capacity and exercise induced bronchoconstriction in children with bronchial asthma (see comments)
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Effects of swimming training on aerobic capacity and exercise induced bronchoconstriction in children with bronchial asthma (see comments)

机译：游泳训练对支气管哮喘患儿有氧运动能力和运动引起的支气管收缩的影响（见评论）

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BACKGROUND: A study was undertaken to determine whether swimming training improved aerobic capacity, exercise induced bronchoconstriction (EIB), and bronchial responsiveness to inhaled histamine in children with asthma. METHODS: Eight children with mild or moderate asthma participated in swimming training every day for six weeks. The intensity of training was individually determined and set at 125% of the child's lactate threshold (LT), measured using a swimming ergometer. Another group of eight asthmatic children served as control subjects. Aerobic capacity and the degree of EIB were assessed by both cycle ergometer and swimming ergometer before and after swimming training. RESULTS: The mean (SD) aerobic capacity at LT increased by 0.26 (0.11) kp after training when assessed with the swimming ergometer and by 10.6 (4.5) W when assessed with the cycle ergometer, and these changes were significantly different from the control group. The mean (SD) maximum % fall in forced expiratory volume in one second (FEV1) to an exercise challenge (cycle ergometer) set at 175% of LT decreased from 38.7 (15.4)% before training to 17.9 (17.6)% after training, but with no significant difference from the control group. There was, however, no difference in histamine responsiveness when compared before and after the training period. CONCLUSION: A six week swimming training programme has a beneficial effect on aerobic capacity but not on histamine responsiveness in children with asthma.
机译：背景：进行了一项研究，以确定游泳训练是否能改善哮喘儿童的有氧运动能力，运动诱发的支气管收缩（EIB）和支气管对吸入组胺的反应性。方法：八名轻度或中度哮喘儿童每天参加游泳训练，为期六周。单独确定训练强度，并使用游泳测功计将其设置为儿童乳酸阈值（LT）的125％。另一组八个哮喘儿童作为对照对象。在游泳训练之前和之后，通过自行车测功计和游泳测功计评估有氧能力和EIB的程度。结果：使用游泳测功机评估后，训练后LT的平均（SD）有氧运动能力增加0.26（0.11）kp，而使用自行车测功机评估时，其平均有氧运动能力增加10.6（4.5）W，这些变化与对照组有显着差异。设定为LT的175％的运动挑战（骑行测功）的一秒钟（FEV1）的平均最大呼气量下降（FEV1）从训练前的38.7（15.4）％降至训练后的17.9（17.6）％，但与对照组无明显差异。但是，与训练前后相比，组胺反应性没有差异。结论：为期六周的游泳训练计划对有氧运动的儿童有氧运动能力有有益的作用，但对组胺的反应性没有作用。

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