There is definitely a trend at the moment, among resistance-based workouts, to focus on building and shaping the lower body, particularly the glutes. While a strong posterior has many benefits, including the aesthetic results, the upper body shouldn't be neglected as part of a balanced exercise programme.Having well-defined arms and shoulders is a bonus, but there are many other benefits to building and maintaining a strong upper body other than aesthetics. Here's some of the big ones... ~ Berceste