Muscle Back

What are the exercises that strengthen back muscles?
I just wanted to know because I have a very thin ... people can see above back. I have a high metabolism eat a lot do not work. I think I'll try to build muscle, but how? I do not have a place with team to perform the ... I need exercises that require only a bar or dumbbells ...
The excercise absolute best to build a broad back stronger and pull-ups. Very old fashion, no team really needs. Wide grip is best for building a V '. Another good excercise twisted lines. Using a bar or dumbbells you stand with your back bent at an angle of about 90deg. You pull the bar from the floor, back to the stomach. You can find articles online about the actual explanation, but the 2 are covers for a great runner.











