An 11-year-old boy presented with a 4-month history of swelling in the left knee joint. He had a knee injury 4 months earlier, which had required a puncture. The wound was crusted and healed.

Your knee is a complex piece of equipment: Bones, cartilage, ligaments, tendons, and muscles meet at or help to form the knee, and any of these could be involved in knee pain. "There are a number of ...

Football can be a dangerous sport, and players run the risk of sustaining serious injuries each time they step on the gridiron. Among the most serious injuries is a dislocated knee, a rare event that ...

Add Yahoo as a preferred source to see more of our stories on Google. Knee pain affects millions of people worldwide, often interfering with daily activities such as walking, squatting, climbing ...

Knee injuries are common in athletes, accounting for 41% of all athletic injuries. But knee injuries aren't limited to competitive athletes. In our everyday lives, an accident or a quick movement in ...

Obesity, having a knee injury, and working a heavy manual job are among the key risk factors for developing knee osteoarthritis Older age mildly associated with increased risk and women twice as ...

Researchers may have identified the long-debated cause of creaking, popping and clicking knees – common at any age, with or without an underlying knee injury – and whether it's something to be ...