Their recommendations are - Soft tissue contracture around patella and fat pad - Start serial lateral X-rays to follow patellar height.
I have had the patellar tendon debridement surgery for scar tissue several times.
In people where the groove is too shallow, their patella may actually slip out of the groove, causing a patellar dislocation.
However, the lack of active extension combined with effusion, palpable deficiency in the patellar mechanism, and patella Alta is diagnostic.
The treatment of common injuries was discussed, including patellar tendinitis, ankle inversions, whiplash and tennis elbow.