Fig. 3From: Imaging evaluation of patellofemoral joint instability: a reviewSagittal gradient echo T2-weighted magnetic resonance images demonstrating the measurements of the indices to assess patellar height. a Insall–Salvati Index (T/P). b Modified Insall–Salvati Index (T/P). c Caton–Deschamps Index (T/P). d Blackburne–Peel Index (T/P). e Patellotrochlear Index (F/P)Back to article page