Welcome to the "Learning Ergonomics" video series. Repetitive strain injuries are a serious concern in the modern workplace, and this series will explore the causes and prevention of RSI through the study of position and movement. This is the first video lesson out of seven, and it introduces the causes and types of RSI. In particular, it warns not to take everyday aches and pains lightly because they could lead to chronic injury. Start learning how to prevent this type of injury today. Remember, a healthy workplace is a productive workplace!