Oct 28, 2025 · The trapezius muscle, spanning from your upper back to your shoulders, plays a crucial role in maintaining posture and enabling shoulder and arm movement. Understanding …

The trapezius[4] is a large paired trapezoid -shaped surface muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae of the spine and laterally to the spine of …

Sep 18, 2024 · Your trapezius muscles are two big muscles on either side of your upper back. They help you move your head, neck and upper back, and maintain and adjust your posture.

Oct 30, 2023 · The main function of the trapezius is stabilizing the scapula in its anatomical place, as well as controlling it during movements of the shoulder and upper limb.

Nov 7, 2023 · The trapezius muscle prevents unnecessary scapula movements and keeps it stable by contracting all its fibers simultaneously. The serratus anterior, latissimus dorsi, and …

The spinal accessory nerve (cranial nerve XI) innervates the motor function of the trapezius. The function of the trapezius is to stabilize and move the scapula.

Nov 2, 2024 · Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Enhance your understanding with high-resolution dissection …

Nov 24, 2025 · By working in coordination with other muscles, the trapezius enables essential movements like shrugging the shoulders, tilting the head, and maintaining proper posture, …

Nov 10, 2023 · The trapezius, trapezoid, or traps muscle is a muscle in the upper back. It stabilizes the shoulders and enables the neck to move. Certain stretches can help ease pain …

Jul 10, 2025 · Clinically, the trapezius is a frequent site of pain, tension, and trigger points—especially in people with poor posture or stress-related muscle guarding.