The C.A.M. Report
Complementary and Alternative Medicine: Fair, Balanced, and to the Point
  • About this web log

    This blog ran from 2006 to 2016 and was intended as an objective and dispassionate source of information on the latest CAM research. Since my background is in pharmacy and allopathic medicine, I view all CAM as advancing through the development pipeline to eventually become integrated into mainstream medical practice. Some will succeed while others fail. But all are treated fairly here.

  • About the author

    John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at, a complementary and alternative medicine website.

  • Common sense considerations

    The material on this weblog is for informational purposes. It is not medical advice or counsel. Be smart, consult your health professional before using CAM.

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    Inspriatory muscle training in patients following stroke

    Researchers at Universidade Federal de Minas Gerais, in Brazil, evaluated the effectiveness of inspiratory muscular training on strength, resistance, functional performance, and quality of life among chronic stroke survivors.

    First, the details.

    • 21 stroke survivors (maximal inspiratory pressure less than 90% of predicted values) were randomly assigned to a treatment group for 30 minutes a day 5 times a week for 8 weeks.
      • Treatment group: Home-based training, with resistance adjusted biweekly to 30% of maximal inspiratory pressure
      • Control group: Followed the same protocol without the threshold resistance valve.
        • Maximum inspiratory pressure is a measure of the strength of inspiratory muscles during maximum inspiratory effort against an occluded airway.
    • Changes in maximal inspiratory pressure, inspiratory muscular endurance, functional performance, and quality of life were measured.

    And, the results.

    • Significant changes were observed in the experimental group for maximal inspiratory pressure and inspiratory muscular endurance vs the control group.
    • No statistically significant differences were observed in functional performance and quality of life.

    The bottom line?

    The authors concluded, “Inspiratory muscular training may benefit people with stroke, and it is feasible to be included in rehabilitation interventions with this population.”

    Several years ago, as a prelude to this study, researchers at the same university reported decreased strength of respiratory muscles in community-dwelling stroke patients. Based on these findings they hypothesized that  specific respiratory training might optimize the gains associated with cardiovascular training in stroke survivors. This latest study is the follow-up to that preliminary research.

    4/8/11 19:47 JR

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