Radiographic Measurement of Joint Space Width Using the Fixed Flexion View in 1102 Knees of Japanese Patients with Osteoarthritis in Comparison with the Standing Extended View

摘要

PurposeThe fixed flexion view (FFV) of the knee is considered useful for evaluating the joint space when assessing the severity of osteoarthritis (OA) of the knee. To clarify the usefulness of FFV for evaluation of the joint space and severity of knee OA, this study evaluated changes in the joint space on the FFV and standing extended view (SEV) in patients with knee OA.