Figure 4From: Ultrasound properties of articular cartilage in the tibio-femoral joint in knee osteoarthritis: relation to clinical assessment (International Cartilage Repair Society grade)Signal intensity of grade 0 cartilage. The signal intensity of grade 0 cartilage at site B (femoral lateral condyle (posterior)) was significantly greater than that at site E (lateral tibial plateau (under the meniscus)), and tended to be greater than that at site A (femoral lateral condyle (anterior)).Back to article page