Fig. 5From: MRI study of medial meniscus degeneration of osteoarthritic knees with or without posterior root tearMeasurement of medial tibial posterior slope (MTPS). a: Parallel line of the diaphyseal tibial axis in the sagittal slice determined by an axial view of the tibial plateau; b: Perpendicular line to the line a from the anterior-most point of the tibial joint surface; c: Line connecting the posterior-most and anterior-most points; MTPS was determined as the angle between lines b and cBack to article page