Fig. 5

Cartilage thickness changes for all subjects. Positive values indicate cartilage thickness gain and negative values indicate cartilage thickness loss. The total cartilage change corresponds to the absolute vertical distance between the triangle and circle for each subject. The vertical dashed line separates subjects without previous knee injury (to the left of the line, subject 1–11) and subjects with previous knee injury (to right of the line, subject 12–19)