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Strain-Counterstrain Treatment of Piriformis Pain

NCT05023005 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2026-04-24

No results posted yet for this study

Summary

The purpose of this investigator-initiated study is to provide an efficient and non-invasive treatment option for pain caused by the piriformis muscle.

Conditions

  • Low Back Pain, Mechanical
  • Piriformis Syndrome
  • Somatic Dysfunction of Sacral Region (Finding)

Interventions

OTHER

Strain-Counterstrain treatment of piriformis muscle

Participant will lay prone on table with affected leg close to edge of table. Piriformis muscle tender point is identified and palpated. Then patient leg is passively moved off table and passive hip flexion, abduction, and possible internal/external rotation is added to reduce tender point by 70% or more. This is done passively. This position is held for 90 seconds and then participant is passively returned back to neutral prone position with leg on table. Tender point is palpated again to reassess for change in pain (using subjective visual analog scale). An algometer is also used pre and post to assess objective change in pressure pain threshold.

Sponsors & Collaborators

  • Loma Linda University

    lead OTHER

Principal Investigators

  • Mickey Lui · Loma Linda University Health

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-09-30
Primary Completion
2027-09-30
Completion
2027-09-30

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05023005 on ClinicalTrials.gov