Peter's Biceps

Peter likes concentration curls. "They're great for isolating biceps and make a nice peak", the fitness hunk from Allamericanguys says.

Peter explains that a lot of people do concentration curls wrong. They push back their hand with the dumbbell too far, nearly up to their shoulder (see below: pic 1). Then much of the weight lies on the bones of their legs. "I stop when I see that my biceps makes the full peak", Peter says (pic 2 & 3). Then his muscles do all the work instead of his bones.


The whole movement with the other arm:



And finally stretching and flexing:


Many high-quality photos and videos with Peter on
Allamericanguys
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