The J-sign, known as the lateral patellar tracking on anterior

Anterior Knee Pain

The J-sign, known as the lateral patellar tracking on anterior view

The J-sign in patellar maltracking

Patellofemoral Pain Syndrome

Example of patellar orientation with a lateral glide and/or tilt

Knee Patella Instability – “J Sign”

Patellofemoral pain syndrome can be eliminated with posture alignment therapy. - Oregon Exercise Therapy

Patellar Dislocation: Treatment Options - Sports Medicine Review

Incidence of pain on second evaluation after 7

Anterior Knee Pain

Anterior Knee Pain - Physiopedia

Anterior Knee Pain: State of the Art, Sports Medicine - Open