This muscle gives the back its beautiful V shape from behind, its a pretty big muscle and covers a large amount of the surface on the back. It consists of 3 parts that all run into the same direction/attachment points.
starts at the hip
starts at the ribs
starts at the shoulder blades
All 3 points run to the tuberculum minor at the humerus which is located at the upper front of the upper arm.
However if the muscle...
