what is trapezius muscle spasm
Trapezius muscle spasms can be painful and debilitating. Photo Credit Pixland/Pixland/Getty Images. The trapezius muscle is a large muscle located at the base of the neck, running down to the shoulder blades. A variety of conditions and actions can cause this muscle to spasm, some that require the attention of a doctor.Therefore, it is important to understand the causes and treatments of trapezius muscle spasms. variety of conditions and actions can cause this muscle to spasm, some that require the attention of a doctor. Therefore, it is important to understand the causes and treatments of trapezius muscle spasms.