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

People may have pain above, below, behind ... Posterior cruciate ligament injury: This type of injury may result from trauma to the back of the knee. Meniscus tears — a type of cartilage ...

There are many causes of knee pain, and ligament injuries are high on the list. In fact, anterior cruciate ligament (ACL) injuries are so common that an estimated one in 3,500 people experiences ...

ACL injuries are alarmingly common among professional athletes engaged in high-intensity sports like football and basketball. The knee joint is under continuous stress from abrupt stops, turns, and ...

Some individuals who have had anterior-cruciate-ligament reconstruction (ACLR), the kind of surgery often performed on athletes' knees, may develop early-onset knee osteoarthritis. A new study in the ...

Many common causes of knee pain can be addressed without medications, injections, or surgery. Here are some of the top reasons behind knee pain and what you can do to find lasting, natural relief ...