One twin only does hammer curls. The other twin only does preacher's biceps curls. Will it make a difference for how their arms look? - Quora
![Serious question: is there a difference between doing curls lying down on a bench vs standing up or sitting upright? : r/gymsnark Serious question: is there a difference between doing curls lying down on a bench vs standing up or sitting upright? : r/gymsnark](https://preview.redd.it/9ssocf0xmbt71.jpg?width=640&crop=smart&auto=webp&s=6da0ddf81791c95017b5ae51407bf55165578d51)
Serious question: is there a difference between doing curls lying down on a bench vs standing up or sitting upright? : r/gymsnark
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Dumbbell Hammer Curl (Biceps, Brachialis and Brachioradialis) | Exercise Guides and Videos – Fitness Volt
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Pinwheel Curl (Dumbbell) - How to Instructions, Proper Exercise Form and Tips | Hevy Exercise Library
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