Injecting steroids into a painful joint can help ease pain and reduce swelling, for example, from injury or arthritis.

Back pain is an extremely common complaint - it's estimated that over 60% of people suffer from it at some time in their lives. And it's one of the main reasons for taking time off work.

A broken bone is known as a fracture. This can be a crack, buckle or crumple in the structure of the bone, or a complete break, producing two or more fragments.

An MRI scan uses magnets and radiowaves to produce detailed images of the inside of the body. It can help to diagnose and monitor many different medical conditions.

Gout is a condition that caues swelling and pain in your joints, usually in your arms or legs.