Certain things can speed up bone loss or decrease bone growth. For instance, alcohol, cigarettes, and certain medicines reduce bone mass. And some foods make it hard for your body to absorb calcium. Learn more details here.

This exercise can stretch and strengthen your knee.

After knee arthroscopy, your surgeon may prescribe physical therapy. This can help relieve pain, increase range of motion, and improve strength.

Rheumatoid arthritis (RA) is a chronic disease, but it doesn’t have to keep you from being active. You can help control RA with exercise and a healthy lifestyle.

Scoliosis is a problem that makes the spine curve and twist from side to side. It's most often found in girls in their early teens. But boys can have it, too.

Osgood-Schlatter disease is a condition that affects the knee. It most often affects young, growing teens. Learn details about treatment here.

Read how Osgood-Schlatter disease affects your knee, and see an illustration of the knee showing where it occurs.

Osgood-Schlatter disease is a painful knee problem that can happen in active young people. It almost always gets better with rest and simple treatment.

Osteoarthritis is a disease that causes the cartilage in your joints to break down. Osteoarthritis becomes more common as people get older. Read on to learn more.

Learn about the ways a shoulder impingement can be treated.