In anterior cruciate ligament reconstruction (ACLR) and uninjured contralateral knees, the patella articulates higher on the femoral trochlea due primarily to a longer patellar tendon compared with ...

Fourteen of 30 knees among ACLR participants had an Insall-Salvati ratio ≥1.20, indicating patella alta. Compared with controls, mean tibial external rotation and anterior translation over the ...