The phrase "levator scapula" refers to a specific muscle in the human body. It is responsible for lifting or elevating the shoulder blade (scapula). Full definition
This exercise effectively targets multiple muscle groups at once, including the upper traps, middle traps and levator scapulae muscle, and it will help you accelerate your overall back development. (fitnessandpower.com)
Or possibly my right levator scapulae and trapezius are dysfunctional? (kingofthegym.com)
Shrugging the shoulders (scapula elevation) requires the use of levator scapulae and Trapezius. (sportsinjuryclinic.net)