Figure 2From: Inter -and intraobserver variation of ultrasonographic cartilage thickness assessments in small and large joints in healthy childrenUltrasonographic standard scans for cartilage thickness measurements in the wrist, metacarpophalangeal (MCP) and proximal interphalangeal (PIP). * = hyaline cartilage, R = radius, sch = os schaphoideum, MH = metacarpal head, DP = distal phalange.Back to article page