Behind-the-knee pain could be due to muscle strain or arthritis—or something far more serious. Orthopedic experts say these ...

(AP Photo/LM Otero) DALLAS (AP) — Dallas Mavericks star Kyrie Irving had surgery on the torn ACL in his left knee, starting a process of recovery that’s likely to continue into next season. The team ...

DALLAS (AP) — Dallas Mavericks star Kyrie Irving had surgery on the torn ACL in his left knee, starting a process of recovery that's likely to continue into next season. The team said Wednesday ...

The USC star suffered a season-ending knee injury during Monday night's ... she’s going to a tech medical center for further MRI imaging. You can only do so much with a manual ligament test." ...