Discomfort is a familiar friend to the frequent flyer. Unless you’re traveling first class with enough space to stretch out, you are most likely sandwiched in a tiny space that doesn’t work well with your body’s natural positions. Everyone knows that air travel is not the most comfortable transportation, and that’s one reason why you see so many neck pillows on sale in the stores all over the airport. However, sitting for hours in an upright airplane can really put a strain on your back. Here are a few of the best ways you can relieve some of that back pain.