will this help..

[Slipknotter]

will doing extra dumbell curls with my left arm help the bicep get as big as the right one? both of my arms are equal in strength but my right one is bigger.

 

[kenwood]

no.

 

[Slipknotter]

reasoning?

 

[assassin]

it's all about genetics....

 

[kenwood]

^ Exactly.