الفهرس 
Hip versus ankle muscles strengthening in treatment of primary knee osteoarthritis
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Abstract
Purpose: The purpose of this study was to compare the effect of adding strengthening exercises of hip extensors and abductors to the effect of adding strengthening exercises of ankle dorsiflexors and plantarflexors in treatment of primary knee osteoarthritis. Subjects: forty patients diagnosed as primary unilateral knee osteoarthritis were referred from orthopedic surgeons. Methods: Patients were randomly distributed into two equal groups. The first experimental group (group A) consisted of 20 patients mean age was 46.00 (± 3.87) years, mean weight was 93.30 (± 16.87) kg, mean height was159.20 (± 6.70) cm, and mean duration of illness was11.60 (± 4.69) months. They received moist hot pack followed by a program of therapeutic exercises including hip adductors, hamstring and calf stretching exercises, quadriceps and hamstring strengthening exercises, in addition to hip abductors and extensors strengthening exercises. The second experimental group (group B) consisted of 20 patients mean age was 46.35 (± 4.55) years, mean weight was 93.95 (±20.39) kg, mean height was 159.00 (± 6.03) cm, and mean duration of illness was 12.55 (± 5.57) months. They received moist hot pack followed by a program of therapeutic exercises including hip adductors, hamstring and calf stretching exercises, quadriceps and hamstring strengthening exercises, in addition to strengthening exercises of ankle dorsiflexors and plantarflexors. Treatment was given 3 times per week, each other day, for 4 consecutive weeks