Quad tendon rupture: If there was a sudden snap and you are having difficulty extending your knee i would worry about a quad tendon rupture, although you are quite young for it. Most likley it is a tendinitis.
Answered 12/20/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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