A doctor or family doctor is responsible for diagnosing and prescribing medical treatments to patients. The family doctor refers to patients where a specialist when a specific treatment is required.
The orthopedist is a doctor who specializes in the skeletal muscle system of the human body including bones, joints, ligaments, tendons, muscles and nerves.
The rheumatologist is the doctor who specializes in the diagnosis and treatment of diseases that affect the joints, muscles, tendons and bones.