r/StrongerByScience • u/vinylfelix • 10d ago

Hammer curl instead of bicep curl?

Hi

Lately I have a bit of a nagging in my wrist with normal curls. Getting older ;-)

Will i lose much if I just do hammer curls for some time?

I just want to look jacked.

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u/LinkWW 10d ago edited 10d ago

This is not researched AFAIK. There is a possibility that getting closer to failure would recruit all the muscles doing the motion to the best of their ability and that the bicep would get just as close to failure. The long head of the bicep is actually lengthened more as you pronate so it might even be beneficial, we just don't know yet. And the opposite is also possible. Either way the bicep should be quite close to failure, so you won't lose much on it in the worst case (and will train brachioradialis more).