– why is working a manual labor job (construction, manufacturing, etc) destructive to your body but going to the gym every day isn’t?

Question

I’m an electrician and a lot of the older guys at my job have so many knee and back issues but I always see older people who went to the gym every day look and feel great

In: Biology

Answer 1

When I worked aircraft maintenance, I contorted my body in very fucked up ways to get shit done. Never have needed to do that at the gym, and certainly not for 10+ hours a day.