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

Inclusion Criteria: * Being 50 years old or older * Having a diagnosis of knee osteoarthritis according to the American College of Rheumatology Exclusion Criteria: * History of fracture or orthopaedic surgery involving lower limbs * Presence of neurological condition resulting in lower limb sensorimotor deficit * Having another inflammatory rheumatological disease * Having a malignant tumour with bone metastasis * Having lower limb oedema, lymphedema, skin and soft tissue loss that will prevent the evaluation of foot morphology (arch height index) * Severe neuropsychiatric disease or condition that interferes with communication * Having therapeutic injection into the knee joint in the last 3 months * Presence of any major trauma that aggravated knee pain in the last 6 weeks