One-Leg Standing Radiograph: A Novel Technique to Evaluate the Severity of OA Knee

One-Leg Standing Radiograph: A Novel Technique to Evaluate the Severity of Knee Osteoarthritis

The purpose of this study is assess the severity of osteoarthritic knee between one-leg and both-leg standing radiograph in primary OA knee

All patients were performed digital radiographs which one-leg and both-leg standing anteroposterior view. Medial and lateral joint space width were measured. The severity of OA knee was identified by the Kellgren-Lawrence (KL) classification.

Inclusion Criteria:

• Bilateral knee pain more than 3 months

Exclusion Criteria:

• Inflammatory OA knee
• previous knee injury
• previous knee infection
• previous knee surgery
• pregnant women
• unable to bear weight on one leg