What Is the Trapezius Muscle? Trapezius muscles are large, paired, triangular muscles in the back of your neck and upper back. They extend down your back, but they’re mostly involved in the movements ...

Neck muscles have an essential role in supporting and stabilizing your neck. More than 20 muscles are working to keep your head supported and moving. Your neck muscles have a range of responsibilities ...

Experts share the best trap exercises to look cut, prevent injuries in and out of the gym, and improve your posture.

Exemplary cases for trapezius muscle segmentations. (A) Segmentation masks of the bilateral trapezius muscles (red areas) in a 25-year-old female and (B) in a 24-year-old male. CHICAGO – Researchers ...