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Study aim
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To evaluate comparative effects of post isometric relaxation technique and straincounterstrain in patients with piriformis syndrome.
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Design
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In the randomized clinical trial, participants were randomly assigned to either the Post-Isometric Relaxation or Strain Counter-Strain therapy groups, ensuring unbiased distribution. Both groups received standard conventional treatments, with each group getting its assigned therapy. This design improved the reliability and validity of the results.
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Settings and conduct
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Participants were selected from Outdoor Patient Department of Allied hospital, National hospital Faisalabad
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Participants/Inclusion and exclusion criteria
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Participants were eligible if they were aged 30-50 years, of either sex, with unilateral piriformis muscle involvement and positive FAIR and Beatty tests. Exclusion criteria included pregnancy, SIJ pain, lumbar radiculopathy, malignancy, previous hip, knee, or ankle surgery, pre-existing musculoskeletal abnormalities in the lumbar spine.
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Intervention groups
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Both groups received 15 minutes of hot packs, 30-second piriformis stretches, and hip abductor strengthening. Group A received Post-Isometric Relaxation therapy with resisted piriformis contractions, while Group B had Strain Counter-Strain therapy with gentle pressure on the piriformis trigger point. Each additional therapy was given three times per session, three times a week, for four weeks.
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Main outcome variables
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OUTCOME MEASURES
A primary outcome measure was pain which was assessed by Numeric Pain Rating Scale (NPRS).
Secondary outcome measures were hip abduction and internal rotation range of motion that was measured through universal goniometer and Lower Extremity Functional Status was assessed by Lower Extremity Functional Scale (LEFS).