Let sports scientist Ross Edgely teach you how to pack muscle on your biceps, forearms and shoulders by mastering bicep curls ...

'If you look across Instagram or TikTok, there are eight million biceps exercises out there,' says MH US fitness director ...

The result? The concentration curl came out on top—delivering the highest level of biceps engagement of all the exercises tested. To measure how hard the biceps were working, researchers at the ...

Rep after rep of the same few exercises can get boring—and when it does ... but it provides all the same isolation benefits of the concentration curl—with less room to cheat. This move has been around ...