Head and Neck Muscles

Yesterday i bought my 3 first technical books for drawing! Leonardo Collection published by Vinciana is one of my favorites sources. I decided to be on human anatomy since to be able to draw correctly the human figure you must learn and study the bone and muscle structure. Also because i do like skulls and want to manipulate them is the other resone!
After some reading about the the human sckeleton and various bones i skipped reading(as i always do) a little to view again the drawings of the book! I liked this one and i thought i should give it a try and continue reading later! And that's what i've done...