Where do I need to gymmax more in

[Hammeruntilchad2009]

I’m only 15 so do I stop or keep trying to gain muscle? Is there any easy way to build arm muscle cause that’s where i struggle the most because of my shit arm genetics

 

[Hammeruntilchad2009]

I’m only 15 so do I stop or keep trying to gain muscle? Is there any easy way to build arm muscle cause that’s where i struggle the most because of my shit arm genetics

I don’t go gym btw I work out at home