Comparison of the effects of hip and knee strengthening with internal and external instruction exercises on pain and performance in patients with patellofemoral pain syndrome

Not Applicable

Conditions: Patellofemoral pain syndrome.
Patellofemoral disorders
M22.2X

Registration Number: IRCT20150503022068N3

Lead Sponsor: Kharazmi University

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Complete

Sex: All

Target Recruitment: 75

Inclusion Criteria

they had anterior knee pain for at least 3 months
reported increase pain for 2 or more activities These activities included ascending and descending stairs, squatting, kneeling, long periods of sitting
pain on palpation of the medial and/or lateral facet of the patella.
positive Clarc Test

Exclusion Criteria

neurological disorder
injury to the hip, ankle, or lumbosacral region
heart condition
previous surgery involving the lower extremities
if theywere pregnant
other knee pathologies, such as patellar instability,patellofemoral dysplasia, meniscal or ligament tears
those who exhibited a leg length difference of more than 1 cm when measured in supine, from the anterior superior iliac spine to the medial malleolus.
osteoarthritis, or tendinopathies

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Pain. Timepoint: Before and after the intervention. Method of measurement: VAS.;Function. Timepoint: Before and after the intervention. Method of measurement: Kujala questionnaire.;Muscle strength of the Hip abductors and external rotators. Timepoint: Before and after the intervention. Method of measurement: handheld dynamometer.;Dynamic knee valgus angle. Timepoint: Before and after the intervention. Method of measurement: using two-dimensional motion analysis systems.;Lower limb kinematics during walking. Timepoint: Before and after the intervention. Method of measurement: using two-dimensional motion analysis systems.

Secondary Outcome Measures