For those of us wo are new to this awesome sport who may need some help on how to build a specidif muscle, try this
Visit this page and click on the muscle you want to build.
Find Exercises By Bodypart
Once you have selected what you want to work,
on the next page, sort the ratings to give you the best ones at the top of the list by clicking on ratings
I know each exercise also has videos if you click on them as so:
Helps me, may help some else on the forums as well