My approach is extremely niche, but can probably be compared to some other builder/constructor hobbies.

I'm building an experimental airplane made of riveted aluminum, and it requires all sorts of repetitive motions to drill, deburr, dimple, and rivet all of the thousands of holes in the structure. One of the riveting tools is a very heavy handheld pneumatic press that needs to be lifted and held in place while the other hand slowly presses the lever to apply riveting pressure. It's exhausting, ambidextrous and can involve contorting your body into all kinds of positions to have access to all of the holes.

I don't really think about the effort required anymore as I've gotten much stronger over time, but when I started the project I couldn't work on the same thing for more than a few minutes.