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Multiple Choice
What is the large diamond-shaped muscle of the upper back?
A
Trapezius
B
Latissimus dorsi
C
Deltoid
D
Rhomboid major
Verified step by step guidance
1
Identify the location of the muscle in question: The problem specifies the 'large diamond-shaped muscle of the upper back.'
Review the anatomical features of each muscle option: Trapezius, Latissimus dorsi, Deltoid, and Rhomboid major.
Understand the shape and position of the Trapezius muscle: It is a large, diamond-shaped muscle that extends from the occipital bone to the lower thoracic vertebrae and laterally to the spine of the scapula.
Compare the shape and location of the Trapezius with the other muscles: The Latissimus dorsi is more triangular and located lower on the back, the Deltoid is more triangular and located on the shoulder, and the Rhomboid major is smaller and located between the scapulae.
Conclude that the Trapezius is the only muscle that fits the description of a 'large diamond-shaped muscle of the upper back.'