Probably only the ones on juice, I think bronze era is achievable just with experimenting with diet and calisthenics that soldiers have known since forever. Training regimen for gladiators even uses the principle of taking it easy every few days to give the body time to rebuild, as their sport was one of performance and aesthetically large muscles.
It’s hilarious to imagine how ancient humans would have viewed our body builders. They’d run screaming into the night like they’d seen a cryptid.
Probably only the ones on juice, I think bronze era is achievable just with experimenting with diet and calisthenics that soldiers have known since forever. Training regimen for gladiators even uses the principle of taking it easy every few days to give the body time to rebuild, as their sport was one of performance and aesthetically large muscles.