I would say it's waste of time to do anything else than combound movements.
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I think the same can be said about wanting big calves. I have been working on that for years with minimal visible progress. Some people I know have calves wider than my thighs without even knowing where the gym is
And no matter how hard you hit, they get stronger but not much bigger
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The longer achilles tendon you have, the "smaller" your calves are. It's basically same for all muscle groups and the longer is the tendon, the smaller is the size of the muscle.
same goes for apparent arm size if you want to compete in BB
with shitty tendon attachment, your arm will never look huge
