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Effects of Hip Bump Manipulation Versus Sham Treatment in Healthy Adults
Effects of Hip Bump Manipulation Versus Sham Treatment on Hip Internal Rotation, External Rotator Strength, and Bipodal Landing in Healthy Adults Aged 18-45: A Single-Blinded Randomized Controlled Trial
Who can join
Ages 18 to 45 · All sexes · Healthy volunteers welcome
Full eligibility criteria
Inclusion Criteria: * Healthy individuals * Aged 18-45 years old Exclusion Criteria: * Diagnosed demoroacetabular labral tear * Diagnosed osteoarthritis (OA) * Current or recent (within the past 6 months) low back pain * Hip or pelvic pain * Lower extremity injury within the past six months * Diagnosed scoliosis * History of surgery involving the femoroacetabular joint (FAJ) * Known allergic reaction to adhesive or shaving cream used for EMG placement
About the study
The purpose of this study is to objectively assess the effects of hip bump manipulation (HBM) on a healthy population aged 18-45 years. We hypothesize that the HBM will improve hip internal rotation passive range of motion, improve the strength of the hip external rotators, decrease compensatory motions in hip flexion during active range of motion, and improve bipodal landing mechanics.
Human participants will be analyzed to determine whether the manipulation produces the intended clinical outcomes. While clinicians commonly use this technique, its effectiveness has yet to be substantiated through research. This technique is a high velocity low amplitude thrust to the greater trochanter which theorizes the quick stretch of the external rotator muscles and may improve a malpositioned femoral head within the acetabulum. These improvements may positively affect functional movements such as bipodal landing.
What is being tested
- Hip Bump Manipulation (procedure)
- Sham (No Treatment) (procedure)
Sponsor: Dominican University New York · Participants: 60 · Started: Jun 20, 2025
Contact the study team
- Karl Rusch, B.S., DSc, DPT · Phone: (845) 848-6046
- Stephen Rodriguez, B.S., DSc, MPS PT, DPT · Phone: (845) 848-6047
Official record on ClinicalTrials.gov — NCT07025434
Locations in the U.S.
| New York | Dominican University New York, Orangeburg |
From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.