If you are one of those people who only like to work out your “Show Muscles” such as chest, arms, abs and some shoulders then move on, but if you are looking to have a thick, dense and well balanced upper body then this graphic demonstrate the target muscle groups for each workout.

Knowing the muscles you’re about to work on can be extremely beneficial. Next to the legs, the back contains the highest concentration of muscles in the body and for good reason. The back supports the function and movement of all of your limbs and has a wide range of jobs that it needs to perform on a routine basis.
 

back lats exercise workout