Effect of Progressive Muscle Relaxation on Patients Lifestyle with Myocardial Infarction: A Double-Blinded Randomized Controlled Clinical Trial

Introduction: Nowadays, Non-communicable diseases are widespread due to modernization of societies, technology
development, population density in urban areas and changes in life style. Variety of cardiovascular diseases are the most
common causes of death and important factors of failure in most countries including Iran. This study was conducted to
determine the effect of progressive muscle relaxation on the lifestyle of patients with myocardial infarction.
Methods: In this randomized double-blind clinical trial, after sampling, 66 patients were randomly selected and assigned
to either the control or test group. An orientation session was held to explain the research goals and intervention. The test
group did the progressive muscle relaxation technique, two 20-30 minutes sessions daily for 2 months (120 sessions). Data
collection tools were demographic information questionnaire, lifestyle questionnaire and self report check list.
Results: Independent t- test and mann-whitney U showed there are no significant differences in four aspects of life before
the intervention, but these differences were significant after the intervention(P<0.05). ANOVA with repeated measures in
three different times (before, 1 and 2 months after intervention) showed significant difference between the two groups
Conclusion: Applying progressive muscle relaxation technique would modify, adjust and improve various aspects of
lifestyle of patients suffering myocardial infarction.
Keywords: Progressive muscle relaxation, Life style, Myocardial infarction, RCT.

ref : article in persian