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Minggu, 19 Agustus 2012

Exercise's Effects on the Lungs

Exercise's Effects on the Lungs:

Patients with chronic lung problems have difficulty exercising. Shortness of breath is a major limitation in most patients, but in about a third, muscle fatigue is an even greater problem. Although exercise does not improve lung function, training helps many patients with chronic lung disease by strengthening their limb muscles, thus improving endurance and reducing breathlessness.

Effects of Exercise on Respiratory Infections (Colds and the Flu)

In people who already have colds, exercise has no effect on the illness' severity or duration. People should avoid strenuous physical activity when they have fevers, muscle aches, or other symptoms of a widespread viral illness.

Effects of Exercise on Asthma

People with asthma who enjoy running should consider using an indoor track, to avoid pollutants and cold winter air. Swimming is particularly excellent for people with asthma. Yoga practice, which uses stretching, breathing, chest expansion, and meditation techniques may have specific benefits that include stress reduction as well as airway opening.
Exercise-Induced Asthma (EIA). Exercise-induced asthma occurs when exercise triggers coughing, wheezing, or shortness of breath. It occurs most often in children and young adults and during intense exercise in cold dry air. EIA is triggered only by exercise. Unlike allergic asthma, there is no long-term increase in airway activity. People who have only EIA do not require long-term maintenance therapy. The warm-up and cool-down periods, which are important for any exercise regimen, may help reduce EIA events. EIA is not a reason to exclude people from physically demanding occupations.
Hints for Reducing EIA. EIA occurs only after exercise and is more likely to occur with regularly-paced activities in cold, dry air. The following are some suggestions for reducing the impact of EIA:
  • Follow the health care provider's instructions for using long-term control medications, particularly inhaled corticosteroids, when prescribed.
  • Warm-up and cool-down periods are important.
  • Patients with EIA might do better with activities that involve short bursts of exercise (tennis, football), rather than with exercises involving long-duration regular pacing (cycling, soccer, and distance running).
  • When exercising in cold air, breathing through a scarf or through the nose helps warm up the airways.
Exercise-induced asthma is distinct from allergic asthma in that it does not produce long-term increase in airway activity. People who only experience asthma when they exercise may be able to control their symptoms with preventive measures such as warm-up and cool-down exercises.
Exercise-induced asthma

Effects of Exercise on Emphysema

Walking is the best exercise for people with emphysema. Patients should try to walk three to four times daily for 5 - 15 minutes each time. Devices that assist ventilation may reduce breathlessness that occurs during exercise.
Strengthening Exercises for the Limbs. Exercising and strengthening the muscles in the arms and legs helps some patients improve their endurance and reduce breathlessness
Inspiratory muscle training involves exercises and devices that make inhaling (breathing in) more difficult, in order to strengthen breathing muscles. Yoga or martial arts exercises, such as tai chi, which emphasize breathing techniques and balanced movements, may be particularly beneficial for patients with emphysema.

Resources

References

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  • Reviewed last on: 5/4/2009
  • Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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