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Sports Medicine

Felt snap at back of knee!



hi, i had acl recon with hamstring graft 3 weeks ago, and while in the gym tonight i was doing hamstring curls with lowest weight possible, then suddenly i felt a sharp snap at the back of my injured knee. i dont think its my acl gone again cos it was at the back of my knee and was not as sore. please help if anyone has info as i am very worried. thank you in advance.


You should be evaluated by your orthopedic surgeon as soon as possible, at which time you need to clarify what you should - and should not - be doing this soon after your surgery. Depending on the specifics of the surgical procedure you underwent, resisted knee flexion (for hamstring strengthening) is sometimes delayed for several weeks postoperatively.

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Response by:

Brian L Bowyer, MD Brian L Bowyer, MD
Clinical Associate Professor
Physical Medicine & Rehabilitation
College of Medicine
The Ohio State University