Fig. 3From: Imaging-detected bone stress injuries at the Tokyo 2020 summer Olympics: epidemiology, injury onset, and competition withdrawal rateMedial tibial stress syndrome evaluated as Grade 4b in the Fredericson classification. a The lateral view of the lower leg X-ray demonstrated cortical thickening and fracture line of the tibial diaphysis (arrow). b MRI showed abnormal signal intensity in the tibial cortex and bone marrow oedema on STIR (arrow)Back to article page