Will a "split" bicep hinder gains

[bmcneely]

my left bicep has a horizontal split in it and i was wondering if this is a problem and will it have any effect on muscle gain?

 

[Hootie]

You're kidding right? If not, no, in fact you most likely have a nice genetic advantage there. Most train for years trying in vain to increase biceps peak. A natural "split" will enhance it. See Ahnold, Boyer Coe, Kai, etc.