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The study aims to explore the effect of body position (side-lying versus standing) on hip abductors muscle strength and activation in individuals with and without PFPS and then to compare these measures between the two groups in each position
A cross-sectional comparative study involving 44 subjects (22 subjects with PFPS and 22 healthy controls), aged 18-35 years. The study will measure hip abductor muscle strength (Peak torque, Maximal total work) using the Biodex Isokinetic System 4 PRO and muscle activity (%MVC) of the gluteus medius, gluteus maximus, and tensor fascia lata using Surface EMG (Noraxon Ultium EMG). Measurements will be taken in both standing and side-lying positions.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PFPS Group | Subjects with unilateral PFPS diagnosed by an orthopedist; age 18-35 years; normal BMI | ||
| Control Group | Healthy individuals without knee pain; age 18-35 years; normal BMI |
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| Measure | Description | Time Frame |
|---|---|---|
| Muscle activity (%MVC) of the gluteus medius, gluteus maximus, and tensor fascia lata | using SEMG | During the assessment procedure (single time point) |
| Peak torque (Nm) of hip abductors muscles | using isokinetic | During the assessment procedure (single time point) |
| Measure | Description | Time Frame |
|---|---|---|
| Maximal total work (J) during concentric and eccentric contractions | Using Isokinetic | During the assessment procedure (single time point) |
| The Arabic Version of the Kujala Score (Anterior Knee Pain Scale) |
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Inclusion Criteria:
Exclusion Criteria:
Males
44 subjects, divided into 22 subjects with PFPS and 22 healthy controls, recruited from the outpatient clinics and staff/students of Ahram Canadian University
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| MOHAMED GOUDA MOHAMED, bachelor of physical therapy | Contact | +201092948701 | mohamed.gouda@acu.edu.eg |
| Name | Affiliation | Role |
|---|---|---|
| mohamed gouda mohamed, bachelor of physical therapy | Teaching assistant, Department of Physiotherapy, Department of Physical Therapy for Musculoskeletal Disorders and its Surgery, Faculty of Physical Therapy, Ahram Canadian University, Giza, Egypt | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ahram Canadian University | Giza | Egypt |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 35500969 | Background | de Castro MP, Sanchotene CG, Costa GV, Lopes CMS, Hubert M, de Brito Fontana H, Ruschel C. Comparison between side-lying and standing positions for hip abductor strength assessment. J Bodyw Mov Ther. 2022 Apr;30:181-186. doi: 10.1016/j.jbmt.2022.02.011. Epub 2022 Feb 12. |
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no specific reason
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| ID | Term |
|---|---|
| D046788 | Patellofemoral Pain Syndrome |
| ID | Term |
|---|---|
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
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A questionnaire
| Baseline/Pre-assessment |