Relationship between Pain and Medial Meniscal Extrusion in Knee Osteoarthritis

Figure 1

(a) Cartilage thickness of the femoral medial condyle. (b) Depiction of the femoral cartilage by putting the probe on the weight-bearing surface. (c) Radial displacement of the medial meniscus. (d) Depiction of radial displacement by putting the probe on the medial joint space.

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(b)

(c)

(d)