If you spend much of your day at a desk, in a car, or looking down at your phone, you might know this feeling well: by mid-afternoon, your neck feels tight. You stretch it and get a few minutes of relief, but by evening the tightness returns. Sometimes it even turns into a dull headache at the base of your skull. If this has been going on for months, you might have started to think it’s just part of having a desk job. Here’s something most people don’t realize: your neck prob