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NCT Number: NCT07472400

Mobility, Strength, and Functional Outcomes Before Surgery, at 3 Months, and at 6 Months After Hip Arthroscopy for Femoroacetabular Impingement Syndrome

The aim of this study is to identify the factors associated with successful rehabilitation following hip arthroscopy for femoroacetabular impingement syndrome and to highlight any persistent functional deficits at different key stages of rehabilitation. This is a controlled multi-observational study. The pathological hip of patients will be compared to their second healthy hip as well as to a healthy control group.

Assessments of mobility, strength, functional tests, and questionnaire submissions will take place before the intervention and 3 and 6 months after the intervention.

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Key information

Conditions

Femoroacetabular Impingement Syndrome Femoracetabular Impingement Healthy Participants Joint Diseases Musculoskeletal Diseases Pathologic Processes Pathological Conditions, Signs and Symptoms

Age range

18 year–40 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Blanc Gravier sports centers

Sart Tilman, Liège, 4000, Belgium

Location status: Recruiting

Location contact

Raphaël Leroy, PT, PhD candidate

CONTACT

[email protected]

+32491128430

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects with femoroacetabular impingement syndrome, with corresponding clinical symptoms and signs, as well as validation by imaging
  • Subjects who have already consulted a surgeon specializing in hip arthroscopic surgery and whose surgery is planned to treat femoroacetabular impingement syndrome
  • Subjects aged between 18 and 40

Exclusion criteria

  • History of rheumatic disease, dysplasia or pediatric disease affecting the hip (Legg-Calvé; superior femoral epiphysiolysis)
  • Subject who has already undergone surgery on the hip joint
  • Subjects with a history of injury to the muscles involved in the assessments within the last year

Treatment and study plan

Primary outcomes

  1. Muscle strength in Nm

    Time frame: Pre-intervention, at 3 months and 6 months post-intervention

    Muscular strength is measured using a fixed dynamometer

  2. Hip mobility in degree

    Time frame: Pre-intervention, at 3 months and 6 months post-intervention

    Hip mobility is measured using an electronic goniometer

  3. Functional results on the Y Balance Test

    Time frame: Pre-intervention, at 3 months and 6 months post-intervention

    The functional results of the Y balance test will be measured using the composite score.

  4. Functional results in the single-leg squat test

    Time frame: Pre-intervention, at 3 months and 6 months post-intervention

    The functional results of the single-leg squat test will be measured using the SIngle-leg squat Movement Performance scaLe for Individuals with FemoroAcetabular Impingement syndrome (SIMPLAI-FAI). The score on this scale ranges from 0 to 8. A higher score indicates a better functional outcome.

  5. Measurements of patient-reported outcomes using the Hip-Return to Sport After Injury Scale (HIP-RSI)

    Time frame: Pre-intervention, at 3 months and 6 months post-intervention

    Analysis of scores obtained on the HIP-RSI questionnaire. This questionnaire assesses psychological readiness to resume sports activities following hip surgery. It consists of six items, and the final score ranges from 0 to 100. A higher score indicates greater psychological readiness to return to sports activities.

  6. Measurements of patient-reported outcomes using the International Hip Outcome Tool-12 (iHot-12) questionnaire

    Time frame: Pre-intervention, at 3 months and 6 months post-intervention

    Analysis of scores obtained on the iHot-12 questionnaire. This questionnaire assesses the quality of life of young, active patients suffering from hip problems. It consists of 12 items and the final score ranges from 0 to 100. A score of 100 indicates full function and no symptoms, whereas a score of zero signifies maximum limitations and extreme symptoms.

Study contacts

Contact information is provided by the study sponsor or research team.

Raphaël Leroy, PT, PhD candidate

CONTACT

[email protected]

+32491128430

Sponsors and collaborators

Lead sponsor

University of Liege

Other

Registry information

Official study title

Mobility, Strength, and Functional Outcomes Before Surgery, at 3 Months, and at 6 Months

Important dates

Study start
2026
Primary completion
2027
Study completion
2027
First posted
Mar 16, 2026
Registry last updated
May 5, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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