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What are the three muscles that correspond to single trapezius in humans?

The trapezius muscle in humans is a single, large muscle divided into three specific regions based on their functions: the upper trapezius, middle trapezius, and lower trapezius. Each region of the trapezius muscle contributes to different movements of the shoulder and neck.


How does a human trapezius differ from a pig trapezius?

The human trapezius muscle is typically larger and more developed than a pig's trapezius due to differences in anatomy and function between the two species. Additionally, the attachment points and muscle fiber composition may vary between humans and pigs.


What is the synergist of the trapezius in scapular elevation?

The synergist of the trapezius in scapular elevation is the levator scapulae muscle. It works together with the trapezius to elevate the scapula and assist in movements like shrugging the shoulders.


Where is the trapezius muscle connected to?

Functions of the Trapezius Muscle:The trapezius muscle has several functions:to move the shoulder blade in toward the spineto rotate the shoulder blade so that the topmost part of the upper arm faces upto move the shoulder blade up and downto bring the head and neck in a backward directionto rotate and side bend the neckto assist in breathing


What pulls the scapulae medially?

The rhomboid muscles and the middle trapezius muscle pull the scapulae medially. These muscles work together to retract and stabilize the scapulae toward the spine.