Summary: | The purpose of the study was to evaluate respiratory muscle strength and dyspnea symptoms in healthy pregnant women in the second trimester of pregnancy. This is a descriptive study, in which seven pregnant women were forwarded to the university extension project of physical therapy in pregnant womenattended on SUS. An initial evaluation form was applied to collect personal and specific data related to gestation; the Borg scale based on some daily situations of the pregnant woman’s life for the subjective perception of effort and the manovacuometry test. The research showed that inspiratory and expiratory muscle forces were decreased in the second gestational trimester, also the situation of greater subjective perception of effort was to clean the house. We concluded that there wasa decrease in respiratory muscle strength and that it may be associated with dyspnea symptoms presented.
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