Afterward, his surgeon remarked that he had never seen knees in such poor condition. However, since this time, my brother still cannot bend his knees more than 90 degrees without excruciating pain.

Mike Tyson’s agent told USA TODAY Sports the boxer is wearing a compression sleeve on his right knee as a preventative measure and does not have an injury.

A 36-year-old man with seronegative rheumatoid arthritis presented to clinic for evaluation with a history of debilitating bilateral knee pain and deformity.He was diagnosed with RA at 23-years ...

Afterward, his surgeon remarked that he had never seen knees in such poor condition. However, since this time, my brother still cannot bend his knees more than 90 degrees without excruciating pain.