Author:
Toraa Moncef,Friemel Françoise
Abstract
This study examines relationships between physical exercise and fatigue of ventilatory muscles according to training, intensity of exercise, and the ergometer. Twenty-two athletes were submitted to maximal triangular exercise on treadmill (TR) and bicycle (BE). Maximal inspiratory (PImax) and expiratory pressures and a spirometry were measured before and after exercise. In the "high level physical capacity" group (GR1) and "medium level physical capacity" group (GR2). PImax (128.4 + 36.8 cmH2O) and PEmax (175.7 ± 63.8 cmH2O) after exercise on TR decreased significantly (140.0 ± 32.6, p < .05; at rest: 196.8 + 59.8 cmH2O, p < .01). After exercise on BE. PImax and PEmax in GR1 and GR2 were significantly smaller than at rest (p < .001). In GR1, forced vital capacity (FVC) was significantly decreased after exercise on TR (5.22 ± 0.8 vs. 4.99 ± 0.61; p < .05). Key word: fatigue of ventilatory muscles, maximal exercise, training
Publisher
Canadian Science Publishing
Subject
Orthopedics and Sports Medicine,Physiology
Cited by
4 articles.
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