Self-selected exercise intensity for inactive hypertensive older women: a pilot study

  • Júlio Sócrates Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. Federal University of Rio Grande do Norte, Graduate Program in Health Sciences. Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0003-4622-2146
  • Geovani Araújo Dantas Macêdo Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0002-1160-0541
  • Ingrid Bezerra Barbosa Costa Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0001-6792-0328
  • Rodrigo Alberto Vieira Browne Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. Federal University of Rio Grande do Norte, Graduate Program in Health Sciences. Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0003-3005-247X
  • Luiz Fernando Farias-Junior Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. Federal University of Rio Grande do Norte, Graduate Program in Health Sciences.
Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0003-4546-3079
  • Yuri Alberto Freire Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0001-8434-8888
  • Daniel Schwade Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0002-7934-8901
  • Leandro Campos de Brito University of São Paulo, School of Physical Education and Sport. São Paulo, São Paulo, Brazil. https://orcid.org/0000-0001-9902-7390
  • Hassan Mohamed Elsangedy Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0003-3786-4999
  • Eduardo Caldas Costa Federal University of Rio Grande do Norte, Department of Physical Education. Natal, Rio Grande do Norte, Brazil. Federal University of Rio Grande do Norte, Graduate Program in Health Sciences. Natal, Rio Grande do Norte, Brazil. https://orcid.org/0000-0003-2807-7109

Resumo

O exercício em intensidade autosselecionada (EIA) é uma abordagem simples para encorajar um estilo de vida ativo. Este estudo investigou se o EIA atende a intensidade recomendada para tratamento de hipertensão (i.e. moderada-vigorosa), e se a frequência cardíaca (FC), percepção de esforço (PSE) e resposta afetiva são reprodutíveis. Treze mulheres idosas hipertensas inativas (idade: 64,54 ± 4,16 anos; pressão arterial: 122,51/62,15 mmHg) realizaram duas sessões de EIA de 30 minutos ao ar livre.  FC de reserva (FCR), PSE e resposta afetiva foram avaliadas. Teste t pareado, coeficiente de correção intraclasse (CCI) e erro típico (ET) foram analisados. As participantes se exercitaram em intensidade moderada-vigorosa (≥ 40% da FCR). Não houve diferença na FCR (56,46 ± 8,01% vs. 59,08 ± 10,57%), PSE (11,26 ± 1,14 vs. 10,98 ± 1,52) e resposta afetiva (3,47 ± 1,13 vs. 3,38 ± 1,23; p > 0,05). A PSE apresentou excelente confiabilidade (CCI = 0,82; IC95%: 0,42; 0,94; p = 0,003). Houve baixa confiabilidade da FCR (CCI = 0,40; IC95%: -0,97; 0,82; p = 0,193) e resposta afetiva (CCI = 0,19; IC95%: -2,10; 0,76; p = 0,369). O ET foi de 8,11 bpm, 0,75 e 1,11 para FCR, PSE e resposta afetiva, respectivamente. Em conclusão, mulheres idosas hipertensas inativas parecem atender a intensidade recomendada para tratamento da hipertensão quando realizam EIA e relatam a atividade como leve-moderada e prazerosa. Embora apenas a PSE, e não a FCR e resposta afetiva, tenha mostrado boa reprodutibilidade. Os resultados parecem suportar o EIA como uma abordagem simples para encorajar um estilo de vida ativo nessa população. 

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Publicado
10-12-2019
Seção
Artigos Originais