In human, trapezius muscle or trapezius is a large muscle that extends longitudinally on the upper portion of a human spine. Its functions are to move the scapulae and support the arm.
The trapezius has three functional regions: the superior region, which supports the weight of the arm; the intermediate region, which retracts the scapulae; and the inferior region, which rotates and depresses the scapulae.
A: The trapezius muscle is a large muscle that extends longitudinally on the upper portion of a human spine.
A: The functions of the trapezius muscle are to move the scapulae and support the arm.
A: The trapezius muscle has three functional regions.
A: The superior region of the trapezius muscle supports the weight of the arm.
A: The intermediate region of the trapezius muscle retracts the scapulae.
A: The inferior region of the trapezius muscle rotates and depresses the scapulae.
A: The trapezius muscle is located on the upper portion of the human spine.
