Genesis Orthopedics & Sports Medicine - Patellar tracking disorder, also known as a misaligned kneecap, is a condition in which the kneecap (patella) moves off its track following movement of the knee.
Rehab to Robust - Powering Past Patellofemoral Pain – Part 8 – Why Patellar 'Maltracking' is BS Patellar maltracking, or increased lateral tracking exists, but the reasons it's commonly attributed to are
Patellar instability can be classified into four types based on patellar movement with knee flexion: a three-dimensional computer model analysis - ScienceDirect