Arthritis and rheumatoid arthritis

A series of videos explaining how joints work and what can go wrong. It covers common muscular-skeletal diseases especially symptoms, causes and treatments on topics related to arthritis & gait. Study materials designed to go with the videos are found at https://www.khanacademy.org/science/health-and-medicine/muscular-skeletal-diseases/arthritis/a/arthritis-and-rheumatoid-arthritis