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Monday, September 21, 2009
Stephania Bell on knee injuries

By James Walker

Posted by’s James Walker

With Pittsburgh Steelers Pro Bowl safety Troy Polamalu sidelined with a MCL sprain, a lot of AFC North fans are suddenly interested in how the knee heals.
Because I didn’t go to medical school, I contacted ESPN medical expert Stephania Bell to answer this question.

Here was Bell’s response: