The Relationship of the Medial Longitudinal Arch Height With Clinical Features of Knee Osteoarthritis

The goal of this observational study is to investigate the relationships between the medial longitudinal arch (MLA) height of the foot and clinical and radiological characteristics of knee osteoarthritis in adult patients 50 aged and over. The main questions it aims to answer are: * Is there any relationship between knee pain and disability in knee osteoarthritis and MLA height? * Is there any relationship between the radiologic severity of knee osteoarthritis and MLA height? * Is there any relationship between knee joint alignment in knee osteoarthritis and MLA height?