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A 21-year-old male asked:

Since arthroscopic surgery, my kneecaps have buckled a lot; at least once a day. it happened before 5x in 10 mins; yet my therapist does not believe.

1 doctor answer2 doctors weighed in
Dr. Carol Hulett
Orthopedic Surgery 44 years experience
Knee buckling: I can't really speak to what therapist believes but knees buckling after surgery is most often related to weakness in the quadriceps or thigh muscles. Also if you are not getting knee entirely straight when walking buckling or giving way is common. if there was a problems with your kneecaps at surgery that would be an explanation as well.
Last updated May 4, 2015

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