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J Exerc Rehabil. 2017 Apr 30;13(2):218-226. doi: 10.12965/jer.1734896.448. eCollection 2017 Apr.

Effects of inspiratory muscle exercise in the pulmonary function, autonomic modulation, and hemodynamic variables in older women with metabolic syndrome.

Journal of exercise rehabilitation

Daniele Jardim Feriani, Hélio José Coelho, Kátia Bilhar Scapini, Oscar Albuquerque de Moraes, Cristiano Mostarda, Olivia Moraes Ruberti, Marco Carlos Uchida, Érico Chagas Caperuto, Maria Cláudia Irigoyen, Bruno Rodrigues

Affiliations

  1. Faculty of Physical Education, University of Campinas (UNICAMP), Campinas, Brazil.
  2. Human Movement Laboratory, Sao Judas Tadeu University (USJT), São Paulo, Brazil.
  3. Hypertension Unit, Heart Institute (InCor), Medical School of University of Sao Paulo, São Paulo, Brazil.
  4. Federal University of Maranhão (UFMA), São Luiz, Brazil.

PMID: 28503537 PMCID: PMC5412498 DOI: 10.12965/jer.1734896.448

Abstract

The aim of the present study was to investigate the effects of inspiratory muscle exercise (IME) on metabolic and hemodynamic parameters, cardiac autonomic modulation and respiratory function of older women with metabolic syndrome (MS). For this, sixteen older women with MS and 12 aged-matched controls participated of the present study. Two days before and 2 days after the main experiment, fasting blood samples (i.e., total cholesterol, triglycerides and blood glucose), cardiac autonomic modulation (i.e., heart rate variability), and respiratory muscle function were obtained and evaluated. The sessions of physical exercise was based on a IME, which was performed during 7 days. Each session of IME was performed during 20 min, at 30% of maximal static inspiratory pressure. In the results, MS group presented higher levels of triglycerides, blood glucose, and systolic blood pressure when compared to control group. IME was not able to change these variables. However, although MS group showed impaired respiratory muscle strength and function, as well as cardiac autonomic modulation, IME was able to improve these parameters. Thus, the data showed that seven days of IME are capable to improve respiratory function and cardiac autonomic modulation of older women with MS. These results indicate that IME can be a profitable therapy to counteracting the clinical markers of MS, once repeated sessions of acute IME can cause chronical alterations on respiratory function and cardiac autonomic modulation.

Keywords: Autonomic nervous system; Breathing exercises; Elderly; Metabolic syndrome; Respiratory function

Conflict of interest statement

CONFLICT OF INTEREST No potential conflict of interest relevant to this article was reported.

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