Though lots of things can cause your knees to hurt, arthritis is often to blame. Osteoarthritis, which is when the protective tissue (also called cartilage) in your knee wears away, is common in older ...

Outside, or lateral, knee pain is a common condition resulting from a range of injuries or underlying medical conditions that affect the outer side of the knee joint. Symptoms of lateral knee pain ...

Knee conditions or injuries can cause pain in different parts of the knee. The location of pain can help determine which knee condition a person has. People may have pain above, below, behind, or at ...

Knee pain is a common problem among adults of all ages. It can have many causes, including arthritis, traumatic injury, and stress on structures of the knee over time. Sometimes knee pain is mild and ...

Knee pain is a common problem. Global estimates suggest more than one in five people over the age of 40 have a form of chronic knee pain. This is something that can have a big impact on people’s lives ...

A hyperextended knee, or knee hyperextension, happens when the knee joint bends the wrong way, which may damage the ligaments in the knee. The condition is common in athletes who play high-impact ...

Knee injuries, like abrasions and torn ligaments, may occur if you fall. Knowing how to care for your knee and when to seek medical attention can help you better recover. Knee pain triggered by a fall ...

Some amount of fluid around your knee is necessary — it helps cushion your bones and keeps the joint limber. But if too much fluid accumulates, it can lead to an effusion (or an abnormal collection of ...