Dr. James Chung | Sports Performance Physical Therapist on Instagram: "Patellar Maltracking and The “J-sign” The J sign is a deviation in the patellar path during knee flexion and extension, often seen with patellar maltracking. It’s characterized by a lateral patellar shift followed by a distinct ‘J-shaped’ motion. Not all cases require immediate intervention but it does prompt examination into factors like muscle imbalances or structural irregularities such as ligament laxity. It’s important t