What Is a Spinal MRI? A spinal MRI, or magnetic resonance imaging, uses powerful magnets, radio waves, and a computer to make clear, detailed pictures of your spine. The MRI may scan your whole ...

Medically reviewed by David Kesselman, DC Neck crepitus refers to clicking, cracking, popping, and crunching sounds in your neck when moving your head. Popping at the base of your skull can be ...