These spasms, often felt in areas like the neck, legs, or back, can cause significant discomfort. While they may seem similar to cramps, muscle spasms are distinct in their abrupt onset and intensity.

This article explains how tight neck, shoulder and upper back muscles cause tension headaches ... This results in muscle spasms. But despite these spasms, some tearing does occur because of ...

Back pain often happens because something is off in the way your spinal joints, muscles, discs, and nerves fit together and move. Nighttime back pain is a special type of lower back pain that ...