VIDEO: In this video, Prosupps athlete Jason Poston shows us four unique bicep curl variations he likes to do when he's looking to build bigger and more defined biceps. Try them for yourself: https://muscle.ms/4Curls pic.twitter.com/ibtZUj3msc
VIDEO: In this video, Prosupps athlete Jason Poston shows us four unique bicep curl variations he likes to do when he's looking to build bigger and more defined biceps. Try them for yourself: https://muscle.ms/4Curls pic.twitter.com/ibtZUj3msc
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