Background The methods to standardize the test items used for classification of patients with
knee pain based on the movement system impairment (MSI) approach have been
established. To our knowledge, no study has concentrated on establishing reliability for
proposed classification for knee pain problems. Objective The aim of the study was to
assess intra-and intertester reliability of the knee MSI classification in patients with knee
pain. Design A cross-sectional methodological study. Setting Rasul Akram Hospital …