An awareness of certain patterns can help the physician identify the underlyingcause more efficiently. Teenage girls are more likely to have patellar tracking problemssuch as patellar subluxation, dislocation and patellofemoral pain syndrome; where asteenage boys are more likely to have extensor mechanism problems such as OsgoodAnterior knee pain in children is not a disease but is a syndrome with numerous causes.Chondromalacia patellae is a condition of the cartilage, not a disease that is neverdiagnosed alone. Relative muscular insufficiency, especially of knee