Upper back pain—or, discomfort that can occur anywhere ... A strain can develop suddenly or over time and cause pain, swelling, muscle spasms, and difficulty moving the muscles in the affected ...

Your upper and middle back area runs from the base of your neck to the bottom of your rib cage. Many issues can cause pain in this area, such as overuse, poor posture, or a pinched nerve.

If you have neck or back pain, or you’re dealing with some other condition that causes muscle spasms, your doctor might prescribe a muscle relaxer (or muscle relaxant) for you. Having a muscle ...

Whether it’s a dull ache or sharp spasm, pain between the shoulder blades can be caused by a variety of things. It can be due ...

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.