Effect of aerobic training on forced expiratory airflow in exercising asthmatic humans.
Effect of aerobic training on forced expiratory airflow in exercising asthmatic humans.
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有氧训练对哮喘患者用力呼气气流的影响。
DOI：
10.1152/jappl.1987.63.3.1230
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发表时间：
1987
期刊：
影响因子：
--
通讯作者：
Haas,A
中科院分区：
文献类型：
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作者：
Haas,F;Pasierski,S;Levine,N;Bishop,M;Axen,K;Pineda,H;Haas,A
对22名哮喘受试者进行了36次有氧运动训练前后的运动后肺功能评估。训练没有改变肺功能值，除了最大自主通气量略有增加（P <0.02），这归因于呼吸肌训练。有氧训练后，在给定的心率和峰值O2消耗量的外部工作分别增加了30%和15%。在相同分钟通气量（VE）下，训练后即刻用力呼气流量高于训练前（P <0.02），而训练后前9min用力呼气流量减少较少（P <0.01）。训练后气流对训练前工作负荷的反应，如预期的那样，小于训练前的反应（P <0.02）。虽然在相同的VE的最大到最小气流的差异是相似的训练前后，气流增加占50%的训练后的反应相比，16%的训练前的反应。此外，训练前和训练后最大和最小气流之间的强负相关性（P <0.01）表明，运动性支气管痉挛（EIB）的严重程度部分取决于运动性支气管扩张的程度。我们的结论是，有氧训练显着增加运动引起的支气管扩张和减少EIB。
Pulmonary function after exercise was evaluated in 22 asthmatic subjects before and after a 36-session training sequence of aerobic exercise. Training did not change pulmonary function values, except for a small increase in maximal voluntary ventilation (P less than 0.02), which was attributed to respiratory muscle training. After aerobic training, both external work at a given heart rate and peak O2 consumption increased by 30 and 15%, respectively. At the same minute ventilation (VE), immediate postexercise forced expiratory airflow was higher after training (P less than 0.02), and reduction in forced expiratory airflow during the first 9 min postexercise was less after training (P less than 0.01). The posttraining airflow response to the pretraining work load was, as expected, less than the pretraining response (P less than 0.02). Although the difference in maximal-to-minimal airflow at the same VE was similar before and after training, the airflow increase accounted for 50% of the response after training compared with 16% of the pretraining response. Furthermore the strong negative correlation (P less than 0.01) between maximal and minimal airflow both pre- and posttraining indicates that exercise-induced bronchospasm (EIB) severity is, in part, determined by the degree of exercise-induced bronchodilation. We conclude that aerobic training significantly increases exercise-induced bronchodilation and diminishes EIB.