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      Efeito de um programa de condicionamento físico no broncoespasmo induzido pelo exercício em mulheres obesas Translated title: Effect of a physical fitness program on the exercise-induced bronchospasm in obese women

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          Abstract

          O broncoespasmo induzido pelo exercício físico (BIE) é uma síndrome clínica caracterizada pelo estreitamento brônquico e ocorre mais frequentemente em indivíduos obesos. OBJETIVO: Avaliar o possível efeito de um programa de condicionamento físico em relação ao BIE em mulheres obesas. MÉTODOS: Trinta e duas mulheres foram divididas em três grupos: grupo A (obesidade ou sobrepeso + treinamento físico), grupo B (obesidade ou sobrepeso) e grupo C (controle). Foi aplicado um teste de caminhada de seis minutos antes e após um período de 12 semanas. O BIE foi verificado por meio de um monitor de pico de fluxo expiratório após a aplicação do teste de caminhada. Durante essas 12 semanas, para o grupo A um programa de atividade física foi conduzido três vezes por semana e cada sessão de 60 minutos foi composta por 10 minutos de alongamento, seguidos por 30 de exercícios aeróbios (50% da frequência cardíaca de reserva como intensidade), 15 de exercícios de força de baixa intensidade e cinco de relaxamento e alongamento. RESULTADOS: O programa de treinamento físico causou aumento significativo no pico de fluxo expiratório mínimo após o teste de esforço (pré: 379 ± 16l/min; pós: 405 ± 12l/min; p < 0,05) e reduziu em 50% (33% para 17%) a proporção de mulheres que apresentou BIE (p < 0,05). CONCLUSÃO: O programa de condicionamento físico de 12 semanas foi capaz de melhorar a função respiratória de mulheres obesas.

          Translated abstract

          Exercise-induced bronchospasm (EIB) is a syndrome characterized by reduced bronchial lumen and happens more often in obese subjects. OBJECTIVE: To evaluate the possible effect of an exercise training program on EIB in obese women. METHODS: 32 women were divided in three groups: group A (obesity + exercise training), group B (obesity) and group C (control). A six-minute walking test was applied before and after 12 weeks. EIB was measured through a monitor of peak of expiratory flow used after the application of the walking test. During the12 weeks, an exercise training program was delivered to group A, three times a week, 60 minutes a day. Each exercise session consisted of 10 minutes of stretching exercises, followed by 30 minutes of aerobic exercise (50% of reserve heart rate as intensity), 15' of low-intensity strength training and 5' of stretching and relaxing exercises. RESULTS: Exercise training significantly increased minimum peak of expiratory flow after the walking test (before: 379±16 l/min; after: 405±12 l/min; p<0.05) and reduced in 50% (33% to 17%) the proportion of women who presented EIB (p<0.05). CONCLUSION: The 12-week exercise training increased the respiratory function of obese women.

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          Most cited references31

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          Obesity preventing and managing the global epidemic

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            Physical activity in the prevention and treatment of hypertension in the obese.

            R. Fagard (1999)
            Physical activity in the prevention and treatment of hypertension in the obese. The purpose of this paper was to assess the value of physical exercise in the prevention and treatment of hypertension with particular attention to possible interactions with relative weight. We describe epidemiological studies and report meta-analyses of randomized intervention trials, i.e., randomized controlled trials on dynamic physical training and randomized comparative trials of exercise and diet. Epidemiological studies show an inverse relationship between physical activity or fitness and the incidence of hypertension, which was either independent of body size or more pronounced in the overweight. The weighted net reduction of blood pressure in response to dynamic physical training averages 3.4/2.4 mm Hg (P or = 30 kg x m(-2)) and attempt to resolve the blood pressure lowering mechanisms. Physical activity contributes to the control of blood pressure in overweight as well as in lean subjects.
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              The role of physical activity in prevention and treatment of body weight gain in adults.

              Overweight and obesity are increasing in prevalence, and this has resulted in a significant public health burden. Therefore, it is important to identify interventions that prevent weight gain and prevent weight regain after weight loss. Energy expended in physical activity has the potential to affect energy balance, and this can potentially affect body weight regulation. There is some evidence that physical activity can minimize weight gain, and it appears that needs to be moderate to vigorous in intensity to significantly affect body weight. Moreover, it appears that improvements in fitness are associated with reductions in risk of weight gain. Physical activity also is associated with improved maintenance of weight loss. Although it appears that interventions targeting physical activity are necessary to affect weight gain and improve long-term weight loss, the impact of these interventions on other components of energy balance should be examined. In addition, although minimal public health recommendations can significantly affect health outcomes, additional research is needed to identify the optimal dose of physical activity to prevent weight gain and improve long-term weight loss.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbme
                Revista Brasileira de Medicina do Esporte
                Rev Bras Med Esporte
                Sociedade Brasileira de Medicina do Exercício e do Esporte (São Paulo )
                1806-9940
                June 2009
                : 15
                : 3
                : 190-194
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Article
                S1517-86922009000300005
                10.1590/S1517-86922009000300005
                42c4273a-0f6b-4e89-9e75-499166baf0b0

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1517-8692&lng=en
                Categories
                PHYSIOLOGY
                SPORT SCIENCES

                Sports medicine,Anatomy & Physiology
                obesity,physical activity,EIB,obesidade,atividade física,BIE
                Sports medicine, Anatomy & Physiology
                obesity, physical activity, EIB, obesidade, atividade física, BIE

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