Individualized Aerobic and High Intensity Training for Asthmatic Children (12)
This result probably indicates a decrease of airway resistance. We observed a nonsignificant improvement in maximal flows in the trained group and we can hypothesize that Vtbw/Ti was more sensitive for showing a decrease in airway resistance than the maximal flows. However, an alternative explanation may be proposed since Haas et al have shown that aerobic training induces an improvement of exercise-induced bronchodilation. Even if resting pulmonary function remains largely unchanged, our results indicate that aerobic training leads to an enhancement of lung function, at least during exercise, and to better ventilatory adaptation. buy ventolin inhalers
The increase of maximal 02 pulse indicates that aerobic training improves both cardiac adaptation and 02 extraction.’ This phenomenon is a common result of training and does not represent a particular adaptation of asthmatics. Therefore, the interpretation of the increase of aerobic fitness remains difficult: either (1) it originates from the improvement of cardiac function and/or 02 extraction capacity, and the increase of maximal 02 pulse supports this hypothesis; or (2) the ventilatory limitation in asthmatics, described in our previous study, has partially disappeared, and this hypothesis is difficult to support since we have only an indirect indication of slight improvement in lung function. It seems reasonable that the final interpretation will combine elements of both hypotheses. Aerobic training can induce better ventilatory adaptation, thus permitting the full range of cardiac adaptation and 02 extraction effects of training.