The trapezius is one of the major muscles of the back and is responsible for moving, rotating, and stabilizing the scapula (shoulder blade) and extending the head at the neck. It is a wide, flat, superficial muscle that covers most of the upper back and the posterior of the neck.
Answer:
injected drugs into your body from an infected needle
I want to say about 30% of adults are, 40% of children are
Answer:
Obsession with food
Explanation:
Everyone LOVES food. Well, I think. Anyway, that <em>doesn't </em>mean just because you like food a little bit more than others means you have a eating disorder. However, getting a little too over the top with body weight and exercise might possibly hint at that, I believe. So sorry if this is incorrect, I'm not a major in science. I hope it helps, though! :)