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Canadian Respiratory Journal
Volume 7 (2000), Issue 2, Pages 138-139
http://dx.doi.org/10.1155/2000/108935
Information for Patients

Number 2: Chronic Obstructive Pulmonary Disease: The Importance of Exercise

Norman L Jones

McMaster University Health Sciences Centre, Hamilton, Ontario, Canada

Copyright © 2000 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Patients with chronic obstructive pulmonary disease (COPD - chronic bronchitis, emphysema, asthma) are often limited in their capacity to exercise, mainly because they experience shortness of breath or muscle fatigue. The reasons for shortness of breath are dealt with in another patient page (Can Respir J 2000;7(1):35-36), and include narrowing of the airways, poor lung function leading to falls in the amount of oxygen carried in the blood and weak muscles for breathing. Easy fatiguability may be because of muscle weakness or changes in muscle function, related to inactivity and ageing. Other less common factors include heart problems associated with COPD, and other coexisting health problems, such as anemia and arthritis.