I'm not one of those bi's and tri's only guys. My legs are a bit big compared to my upper body (27 inchs vs 16 in arms) and I was wondering if only training upper body would lead to more upper body gains on cycle. You won't really benefit from the natural anabolic effect from squats and deadlifts, and your body only has a limited capability/resources to build muscle right?
On a related note, I've read a lot about the so called natural limit, which for a 5'10 guy like me would about around 190 lean. Would having too much mass on my legs limit my ability to put on upper body mass?