الفهرس 
Validity and reliability of arabic version of lysholm knee scale in knee osteoarthritis patients
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Abstract
Background: Knee osteoarthritis (OA) is a chronic degenerative and progressive condition affecting physical function. So, it is necessary to measure physical function in knee OA. Purpose: The purpose of this study was to test face and content validity, feasibility and internal consistency and test retest reliability of Arabic-language version of Lysholm knee scale in knee osteoarthritis patients Subjects and methods: Two expert panels (first consists of eight experts and second consists of seven experts ) and 40 patients there age ranging from 40 and 76 years with knee OA participated in this study, 80 sheets (including retest sheets) were filled out in this study. Forward translation, development of preliminary initially translated version, backward translation, development of the pre-final version and testing of pre-final version using experts then testing of the final version on patients was done. Face validity, content validity, feasibility, internal consistency reliability and test retest reliability were statistically analyzed