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Paper Information

Journal:   OLYMPIC   SPRING-SUMMER 2000 , Volume 8 , Number SERIAL 17 (SUPPLEMENTARY); Page(s) 11 To 14.


Author(s):  EBRAHIMI ATRI A.*
* Mashhad, Ferdowsi University

chronic obstructive pulmonary disease (COPD) also termed chronic airflow limitations (CAL) is a group of diseases of the respiratory tract that produce an obstruction to airflow. COPD is the fifth leading cause of death and the second leading cause of morbidity in United States. COPD includes bronchitis, emphysema, asthma, exercised induced bronchospasm and cystic fibrosis. Exercise prescription for patients with mild lung disease can be the same as that used for normal subjects, for patients with moderate lung disease exercise is usually performed at an intensity no greater than 75% of the ventilatory reserve. Exercise duration is 20 minutes, and frequency is 3 times per week. Patients with severe lung disease (PVC and PEV below 55% of predicted Values) require a modified approach to exercise testing and prescription. Results of studies revealed that high- Intensity exercise training (associated with lactic acidosis is more effective than low- Intensity training (not associated with lactic acidosis) in producing physiological training effects in COPD patients, and diseases verity did not influence that ability of COPD patients to achieve physiological benefits from exercise training. There is a consensus that there is a threshold intensity below which not raining effect will occur. On the whole, better results are obtained after programmes featuring larger number of sessions performed at higher work rates. Patients eligible for an exercise training programme should have had no recent exacerbation of disease and receiving appropriate bronchodilator therapy. In conclusion, exercise training should be regarded as a mainstay of pulmonary rehabilitation. It certainly improves the quality of life of patients suffering from chronic airways obstruction.

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