Does it sound like anything is wrong?

Have you been sitting hunched over the computer for a while? Not to sound mean or anything, but this happens to one of my kids when she's been sitting on her bed staring at the computer for a few hours. If you have, just stand up and stretch your neck and arms and see if you feel better. Try relaxing your jaw; you could have been clenching your teeth without realizing it. When I do that, my neck and shoulders get that same feeling.