Get creative and up the intensity to build bigger delts.
BY ARNOLD SCHWARZENEGGER
ringing out the shape and striations of the shoulder muscles is a big part of upper-body training, but first you need to make sure you have sufficient delt muscle mass. Here are three tips for adding massive size to the shoulders.
Working in the 8-12-rep range is generally the best way to add muscle mass to most bodyparts (the one exception being legs, which respond better to slightly higher reps).»