Upper back pain—or, discomfort that can occur anywhere ... A strain can develop suddenly or over time and cause pain, ...

Recognize unusual pains in your body that could be warning signs of serious health issues. Understanding these signals could ...

In addition to pain in the lower back, symptoms may include: a limited range of motion muscle spasms stiffness pain ... which is located in the upper abdomen behind the stomach.

shoulder and upper back muscles causes these muscles to tear (on a microscopic level). Your body tries to prevent this tearing by forcing these muscles to knot up. This results in muscle spasms.