Effects of Hip Bump Manipulation Versus Sham Treatment in Healthy Adults

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-06-20

Study Completion Date

2026-05-31

Brief Summary

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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.

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Detailed Description

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Conditions

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Assessment of Hip Strength, Range of Motion, EMG Activation, and Landing Mechanics in Healthy Subjects Healthy Adult Subjects

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Two-Arm Parallel Group Randomized Controlled Trial (RCT) Group A: Intervention Group B: Control (Sham)

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

SINGLE

Participants

Study Groups

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Group A: Intervention

Hip Bump Manipulation (UFIR)

Group Type EXPERIMENTAL

Hip Bump Manipulation

Intervention Type PROCEDURE

This technique is a high velocity low amplitude thrust (HVLAT) directly posterior to the greater trochanter which theorizes the quick stretch of the external rotator muscles and may improve a malpositioned femoral head within the acetabulum.

Group B: Control

Iliac Crest Bump Sham Manipulation

Group Type SHAM_COMPARATOR

Sham (No Treatment)

Intervention Type PROCEDURE

Iliac Crest Sham Manipulation

Interventions

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Hip Bump Manipulation

This technique is a high velocity low amplitude thrust (HVLAT) directly posterior to the greater trochanter which theorizes the quick stretch of the external rotator muscles and may improve a malpositioned femoral head within the acetabulum.

Intervention Type PROCEDURE

Sham (No Treatment)

Iliac Crest Sham Manipulation

Intervention Type PROCEDURE

Other Intervention Names

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UFIR Unrestrained Femoral Internal Rotation

Eligibility Criteria

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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

Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes