Effect of the exercise of walkers performed in public squares with spontaneous or prescribed intensity on post-exercise hypotension

نویسندگان

  • Taís Feitosa da Silva
  • Alesandra Araújo de Souza
  • Fabiano Ferreira de Lima
  • Jennifer Ariely Sales Suassuna
  • Henrique Eduardo Paiva Lira do Couto
  • Gustavo Roque Tenório
  • Maria Irene de Andrade Gomes Silva
  • Guilherme Leandebal Bonifácio Dias
  • Alexandre Sérgio Silva
چکیده

OBJECTIVE To quantify the intensity adopted by walkers in public squares and check the occurrence and magnitude of post-exercise hypotension in the spontaneously adopted intensity and in a prescribed intensity. METHODS In 98 volunteers (38 of them being hypertensive), walkers in public squares of the city of João Pessoa, State of Paraíba, Brazil, we have identified the intensity of a usual training monitored by heart rate and we have investigated the occurrence and magnitude of post-exercise hypotension. Subsequently, participants were instructed to walk with moderate intensity. Blood pressure was measured after rest and during post-exercise recovery. RESULTS Of the total participants, 41% of the hypertensive and 36% of the normotensive individuals walked with light intensity. With the prescription, intensity increased to 55% and 52%, for the hypertensive and normotensive individuals, respectively. In the usual and prescribed intensity, the hypertensive individuals had post-exercise hypotension of -3.7±11.6 mmHg and -4.72±12.8 mmHg, respectively. There was no correlation between post-exercise hypotension and the initial systolic component of the hypertensive individuals (r2 = 0.2; p < 0.002). CONCLUSIONS Walkers in public squares choose light intensity for walking. When they exercise with the prescribed intensity, they increase the intensity, but the magnitude of the PEH is not increase with this guidance. OBJETIVO Quantificar a intensidade adotada por caminhantes em praças públicas e verificar a ocorrência e a magnitude da hipotensão pós-exercício na intensidade espontaneamente adotada e em uma intensidade prescrita. MÉTODOS Em 98 voluntários (38 hipertensos), caminhantes em praças públicas da cidade de João Pessoa, PB, identificamos a intensidade de um treino habitual monitorada por meio da frequência cardíaca e averiguamos a ocorrência e magnitude de hipotensão pós-exercício. Posteriormente, os participantes foram instruídos a caminhar com intensidade moderada. A pressão arterial foi aferida após o repouso e durante a recuperação pós-exercício. RESULTADOS Do total de participantes, 41% dos hipertensos e 36% dos normotensos caminhavam com intensidade leve. Com a prescrição, a intensidade aumentou para 55% e 52%, para hipertensos e normotensos. Na intensidade habitual e prescrita, os hipertensos obtiveram hipotensão pós-exercício de -3,7±11,6 mmHg e -4,72±12,8 mmHg. Houve correlação entre hipotensão pós-exercício e o componente sistólico inicial dos hipertensos (r2 = 0,2; p < 0,002). CONCLUSÕES Caminhantes em praças públicas selecionam intensidade leve para realização de caminhada. Quando realizam exercício com intensidade prescrita, aumentam discretamente a intensidade, mas não obtêm aumento da magnitude da HPE com esta orientação.

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عنوان ژورنال:

دوره 51  شماره 

صفحات  -

تاریخ انتشار 2017