1 doctor weighed in:

I have been having sharp pain behind my knee when bent, deep within the knee, by the kneecap, and recently twitching after running, but no swelling.

1 doctor weighed in

In brief: Souds like

Osgood-schlatter's disease, common in you age group.
You will need an accurate physical examination and maybe x rays, so see your doctor for better advice.

In brief: Souds like

Osgood-schlatter's disease, common in you age group.
You will need an accurate physical examination and maybe x rays, so see your doctor for better advice.
Dr. Robert Uyeda
Dr. Robert Uyeda
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