The trapezius muscle, a large and superficial muscle spanning the upper back, neck, and shoulders, plays a crucial role in various movements and postures. It is responsible for moving, rotating, and stabilizing the shoulder blades, as well as extending the neck. Given its extensive involvement in daily activities, the trapezius muscle is particularly susceptible to strain, leading to pain in the neck, shoulders, and upper back.The daily clinical experience of thousands of therapists and physicia