There are good and bad aspects to repetition. On one hand, it’s a proven way to learn to expertly perform a task. On the other, it can lead to physical problems like carpal tunnel syndrome, and bad arthritis in the hands, arms, legs and back.
Assembly line workers know all about the negative consequences of excessive repetitive motion. Fortunately, equipment suppliers do as well, and offer a wide range of tool balancers and support arms that improve worker ergonomics and counter the downside of performing repetitive tasks.