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A 25-year-old female asked:

I woke up and straightened my leg and my kneecap popped when i did, it started burning after that around my kneecap and i have a dull ache. i havent done anything strenuous lately and its been an hour since it happened, what couldve caused it?

1 doctor answer2 doctors weighed in
Dr. Thomas Deberardino
Orthopedic Surgery 32 years experience
Chondral fissur: You describe a sudden painful pop or catching that can be a one time event or if it recurs, especially at same knee bending angle repeatedly and reproducibly then it is more likely a patellar cartilage lesion or fissure. A thorough orthopaedic evaluation with appropriate imaging will reveal diagnosis.

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Last updated Aug 18, 2019

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