I suppose almost all sorts of jobs involve a lot of physical work except if you're only sitting behind your desk for one skilled workers such as construction workers boss welders Factory workers and so on devote a lot of their physical energy in accomplishing their tasks at work.
Another example would be athletes in order to to win competitions and matches.
They dedicate their time every single day and improving their physical strength and endurance aside from them medical workers have to put a lot of physical work on their jobs take doctors as an example.
They need to be awake for more than 24 hours to attend to emergencies surgeries and so much more more.