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Abstract
Background: Faulty hip kinematics during weight bearing activities is proposed to contribute to patellofemoral pain syndrome (PFPS). However, limited information exists to determine the effectiveness of exercises programs that not only act on the knee joint, but also on the hip joint in these patients. Purpose: The purpose of this study was to compare between the effect of the starting of hip strengthening exercises before knee exercises program and the starting of knee exercises program before hip strengthening exercises on pain intensity, Kujala questionnaire scale, Q angle, anteversion angle, and knee extensors, hip abductors and lateral rotators peak torques (PT) in patients with PFPS. Materials and Methods: Twenty four patients suffering from PFPS were randomly assigned into two equal groups of twelve. group (A) mean age, weight, height and BMI values were 23.33±5.39 years, 71.16±13.05 kg, 164.75±4.5 cm, and 26.21±4.71 kg/m² respectively. They received hip abductors and external rotators strengthening exercises for three weeks followed by knee extensors strengthening exercises and stretching exercises for quadriceps, hamstring, gastrocnemus muscles and iliotibial band for another three weeks. group (B) with mean age, weight, height and BMI values were 23.16±6.33 years, 69.41±18.14 kg, 164.66±7.27 cm, and 25.2±6.2 kg/m² respectively