With apologies to 'Terminator' and Arnie. But who better to promote back development?  More guys into building their bodies are showing us a back view than used to, so today we revisit that aspect to give some encouragement to those working on their lats, deltoids, rhomboids and whatnot.  

No doubt at all, guys are better wised up now about showing off their back-muscle development as well as their chests and abs. Much to be complimentary about here. Pull-ups are great for working the back muscles:   ...as are cable pulldowns...   So is rope climbing:  ...in fact, just climbing anything is great too: