kneecap tracking disorder

What is Patellar Tracking Disorder? Patellar tracking disease, also known as patellar maltracking, is a condition in which the kneecap (patella) slides laterally out of its groove when the leg is bent or straightened. If you’ve ever experienced grinding, popping, or severe pain around your kneecap, you could have Patellar Tracking Disorder (PTD). Consider your…