A spasm is an involuntary tightening of muscle in your body. It often causes intense pain. This pain can last for minutes, hours, or days after the muscle relaxes and the spasm subsides. Spasms can ...

A muscle knot in the neck is a tight, contracting muscle that can cause pain, tenderness, and headaches. Common triggers include unhealthy posture, stress, inactivity, overuse, and prolonged sitting.

What is a pulled muscle? There are a lot of things we refer to as a pain in the necklike waiting for the cable guy to finally show. But if you have a pulled muscle in your neck, the pain can be ...