Progressive Resistance Training for Adults With External Snapping Hip

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

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-07-01

Study Completion Date

2027-04-01

Brief Summary

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External snapping hip is characterised by an audible and painful snap during hip movement among physical active people around 15-40 years old. Progressive resistance training has been suggested as a new potential treatment path in treating patients with external snapping hip. The investigators conducted a feasibility study and found that patients reported less pain and improved their physical function, quality of life and muscle strength after 12 weeks of progressive resistance training. The overall aim of the project is to compare hip pain in patients with external snapping hip treated with progressive resistance training to a wait-and-see approach, in a randomised controlled trial. This study has the potential to establish a new and specific treatment option for patients with external snapping hip, to be used nationally and internationally.

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Detailed Description

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This trial is an international multicentre randomised controlled assessor-blinded crossover trial, following the CONSORT guidelines. The intervention is a 12-week progressive resistance training programme, and the trial is designed with three follow-up time points. After the baseline test, the patients will be randomised in a 1:1 ratio to either the intervention or the control group using the Research Electronic Data Capture (REDCap) source hosted at Aarhus University. For both groups, the first test will be the baseline test, conducted before the randomisation. The second test will be conducted 6 weeks after randomisation, the third test will be conducted 12 weeks after randomisation and the fourth and last test will be conducted 24 weeks after randomisation. The primary outcome will be the change from baseline to the third follow-up, and the trial will be powered based on this period. The lasting effect of the intervention will be evaluated from baseline to the fourth follow-up test for the intervention group.

Conditions

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External Snapping Hip Coxa Saltans External

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Control group: Wait and see approach

The control group are randomized to 12 weeks of waiting time followed by 12 weeks of progressive resistance training.

Group Type OTHER

Progressive resistance training

Intervention Type OTHER

The progressive resistance program consist of a five-minute aerobic warm-up on either an ergometer bike, treadmill or rowing machine followed by six resistance training exercises: landmine twist, walking lunges, leg press, hip abduction, hip adduction and hip flexion. All training sessions (three per week) will be supervised for the first two weeks. After that, there will be one weekly supervised training session and two self-directed sessions. The subjects will be scheduled for 36 training sessions over 12 weeks, of which 16 will be supervised. Each training session is designed based on the findings from the feasibility study and is expected to last approximately one hour. If a subject cannot perform all scheduled sessions in a week, additional sessions will be planned for the following week to obtain the 16 supervised sessions.

Waiting time

Intervention Type BEHAVIORAL

12 weeks of waiting time

Intervention group: progressive resistance training

The intervention group are randomized to 12 weeks of progressive resistance training followed by 12 weeks of self guided exercise

Group Type EXPERIMENTAL

Progressive resistance training

Intervention Type OTHER

The progressive resistance program consist of a five-minute aerobic warm-up on either an ergometer bike, treadmill or rowing machine followed by six resistance training exercises: landmine twist, walking lunges, leg press, hip abduction, hip adduction and hip flexion. All training sessions (three per week) will be supervised for the first two weeks. After that, there will be one weekly supervised training session and two self-directed sessions. The subjects will be scheduled for 36 training sessions over 12 weeks, of which 16 will be supervised. Each training session is designed based on the findings from the feasibility study and is expected to last approximately one hour. If a subject cannot perform all scheduled sessions in a week, additional sessions will be planned for the following week to obtain the 16 supervised sessions.

Self guided exercise

Intervention Type BEHAVIORAL

12 weeks of self guided exercise

Interventions

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Progressive resistance training

The progressive resistance program consist of a five-minute aerobic warm-up on either an ergometer bike, treadmill or rowing machine followed by six resistance training exercises: landmine twist, walking lunges, leg press, hip abduction, hip adduction and hip flexion. All training sessions (three per week) will be supervised for the first two weeks. After that, there will be one weekly supervised training session and two self-directed sessions. The subjects will be scheduled for 36 training sessions over 12 weeks, of which 16 will be supervised. Each training session is designed based on the findings from the feasibility study and is expected to last approximately one hour. If a subject cannot perform all scheduled sessions in a week, additional sessions will be planned for the following week to obtain the 16 supervised sessions.

Intervention Type OTHER

Waiting time

12 weeks of waiting time

Intervention Type BEHAVIORAL

Self guided exercise

12 weeks of self guided exercise

Intervention Type BEHAVIORAL

Other Intervention Names

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Exercise therapy Waitlist Wait Wait Self training

Eligibility Criteria

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Inclusion Criteria

* Age 18-40 years (10)
* Experienced lateral hip joint "snapping" with pain discomfort within the last 14 days
* Able to demonstrate the audible and/or visible lateral "snapping" during lateral hip joint movementor popping sound when the hip joint moves
* Capable of commuting to the training facility
* Proficient in reading and understanding Danish or English

Exclusion Criteria

* Previous surgery on the affected hip
* Planned surgery on lower extremities within the trial period
* Anterior or medial hip discomfort that substantially exceeds the lateral hip discomfort
* Any contraindication to exercise
* Neurological, rheumatoid, or mental conditions affecting the hip function
* Ongoing active cancer treatment
* Planned vacation for more than 14 days within the intervention period
* Pregnancy

Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Stig S Jakobsen, PhD

Role: STUDY_DIRECTOR

Department of Orthopedic Surgery, Aarhus University Hospital, DK

Lisa U Tønning, MHSc

Role: PRINCIPAL_INVESTIGATOR

Department of Orthopedic Surgery, Aarhus University Hospital, DK

Inger Mechlenburg, DMSc

Role: STUDY_DIRECTOR

Department of Clinical Medicine, Aarhus University, DK

Ulrik Dalgas, PhD

Role: STUDY_DIRECTOR

Department of Public Health, Sports, Aarhus University, DK

Troels Kjeldsen, PhD

Role: STUDY_DIRECTOR

Department of Orthopedic Surgery, Aarhus University Hospital, DK

Cara Lewis, PhD

Role: STUDY_DIRECTOR

Department of Physical Therapy, Boston University, Boston, US

Martin Lamm, MSc

Role: STUDY_DIRECTOR

Department of Orthopedic Surgery, Aarhus University Hospital, DK

Joanne L Kemp, PhD

Role: STUDY_DIRECTOR

La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Australia

Locations

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