It's estimated that knee pain affects 25% of adults and is responsible for over 4 million primary care visits a year. Inside ...

pain behind the knee, pain on the inside or outside of the knee, or pain on the front of the knee. Knee pain that is a result of chronic injury or repetitive stress on the joint may start as mild pain ...

An awkward fall while running, skiing or playing sports can cause knee injuries that sideline players and increase t ...

the ridge inside the upper leg bone, the femur, causes the cartilage under the patella to become irritated. This is known as patellofemoral pain syndrome, or runner's knee. Patellar tendinitis ...