Knee impairments: Comparison between new clinical classification by cluster analysis and movement system impairment model.

Background: Although Movement System Impairment (MSI) model classifies patients with knee impairments, it has some limitations. This study compares MSI model with a new Partitioning Around Medoids (PAM) model in knee pain patients.

Methods: In this cross-sectional study, knee movement impairments (signs) and symptoms.