Bob and Brad explain what patellofemoral pain syndrome or kneecap pain is, the possible causes, and the signs and symptoms ...

You may have a knee contusion if you experience knee trauma that results in pain, swelling, and skin discoloration. This injury typically heals on its own and doesn’t require surgery. A contusion is ...

A knee infection is a serious medical condition that often requires immediate and aggressive treatment. When bacteria contaminate the synovial fluid that lubricates your knee joint, an infection ...

As a sports medicine physician, my goal is to keep my patients moving and active. Every day in my office, I see people coming in with achy knees, from 8-year-old gymnasts to 82-year-old marathon ...

Two expert MDs say it's a telltale sign that you might be ready for surgery once you start experiencing this type of ...

Early morning knee symptoms like pain climbing stairs, difficulty sitting on the floor, or grinding sounds can signal future knee damage. Ortho-experts warn ignoring these can lead to severe arthritis ...

Knee osteoarthritis is one of the most common types of arthritis (the swelling and tenderness of the joints). It occurs when cartilage — the tough, slippery tissue that covers the ends of bones — in ...

What Is Medial Compartment Osteoarthritis? Medial compartment osteoarthritis is a type of arthritis in your knee. In osteoarthritis, the smooth, slippery cartilage that covers the ends of your bones ...

The popliteal lymph nodes lie in the tissues behind a person’s knee. Infections and autoimmune conditions can cause them to swell. It is rare for cancer to affect the popliteal lymph nodes. According ...