Al Kahtani، M. M.، و Sparkes، V. (2011). Relationship between hip and Knee Strength and Peak Knee Valgus Angle and its Associated Knee Flexion Angle with Subjects of Patellofemoral Pain Syndrome During Single leg Squat (رسالة ماجستير غير منشورة). Cardiff University، كارديف. مسترجع من http://search.mandumah.com/Record/602425
Al Kahtani، Miral M.، و Valerie Sparkes. "Relationship between Hip and Knee Strength and Peak Knee Valgus Angle and Its Associated Knee Flexion Angle With Subjects of Patellofemoral Pain Syndrome During Single Leg Squat" رسالة ماجستير. Cardiff University، كارديف، 2011. مسترجع من http://search.mandumah.com/Record/602425