Add Yahoo as a preferred source to see more of our stories on Google. "I got diagnosed with this in my right knee," he says of Osgood-Schlatter disease. "It prevented me from playing sports so I ...

Osgood Schlatter disease (OSd) is a rather common condition that causes knee pain in active youngsters starting to grow into adolescents and later adults. One such 11-year-old male person in our ...

If you've got an athlete in the family complaining about knee pain, it could be a condition called Osgood-Schlatter disease.

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