Patellofemoral subluxation is when the patella briefly jumps almost out of the walls of the groove in the femur bone, but then returns to its normal position.
Symptoms of patellofemoral subluxation
Usually subluxation is experienced as a momentary painful 'catching' during walking.
Synonyms:
patellar subluxation
kneecap subluxation
unstable kneecap
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