Why is physically exerting yourself to the point of exhaustion at the gym good for you but various jobs involving manual labor seem to cause permanent damage in the long term?

Question

Why is physically exerting yourself to the point of exhaustion at the gym good for you but various jobs involving manual labor seem to cause permanent damage in the long term?

In: Biology

Answer 1

When you work out, you’re supposed to give yourself periods of rest and recovery. It’s actually important for proper muscle development, if I’m not mistaken. Manual labor jobs however, are done for long periods of time, and without proper breaks. Depending on what the job is, you may be doing something, or doing it in a way that would not normally be considered “correct”. So over time, you end up doing damage.