From Our 2013 Archives
Study Probes Why Exercise Leaves Women More Breathless Than Men
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FRIDAY, Nov. 8 (HealthDay News) -- It's widely known that women find it harder to breathe during exercise than men of a similar age -- even among those with heart and lung disease. And now researchers say they've discovered why.
The research, published Nov. 8 in the journal Experimental Physiology, is the first to explain why this happens, the study authors said.
Canadian researchers looked at 50 healthy, nonsmoking men and women aged 20 to 40. The study participants worked out on a stationary bicycle while their heart, lung and other body functions were monitored. At regular intervals during the workout, the participants rated their levels of breathlessness.
"Our findings indicated that greater electrical activation of the respiratory muscles during exercise in women is needed to compensate for their smaller lungs, airways and breathing muscles," study leader Dr. Dennis Jensen, of McGill University in Montreal, said in a journal news release.
The authors said the findings could aid researchers and health care providers in identifying new methods of improving the symptoms of breathlessness and boosting exercise capacity among groups including seniors and people with chronic heart and lung disease.
-- Robert Preidt
SOURCE: Experimental Physiology, news release, Nov. 7, 2013
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