What sort of disease is chondromalacia patellae?

Patella problem: Chondromalacia patella of the patella is a common problem where cartilage damage occurs on the posterior aspect of the patella, i is very common in young women active in sports. Contributing factors include pesplanus, genu valgus and malalignment of the patella. Treatment typically includes ice, nsaids and decreasing activities such as crouching, quad strengthening and surgery if necessary.

Let me add: Chondromalacia of the pattella could come also from truma, could happen if ther is weak muscule that effect the patella, could also happen if you have early arthitis?

Very common: Chondromalacia patella (runners knee) is due to overload of the patellofemoral joint (knee cap against the end of the thigh bone). Running causes high forces in this portion of the joint. So does arising from a chair, going up/down stairs. Treatment consists of activity modification, ice, anti-inflammatory meds and therapy aimed at flexibility and strengthening, especially of your core.