#1
Which muscle is responsible for the movement of the scapula and supports the arm?
Trapezius
ExplanationTrapezius supports arm movement and scapular motion.
#2
Where is the trapezius muscle located in the human body?
Back
ExplanationTrapezius is located on the back.
#3
Which nerve innervates the trapezius muscle?
Accessory nerve
ExplanationAccessory nerve innervates the trapezius muscle.
#4
What are the three main parts of the trapezius muscle?
Upper, middle, and lower
ExplanationTrapezius has upper, middle, and lower parts.
#5
What is the origin of the trapezius muscle?
Clavicle and spine of the scapula
ExplanationTrapezius originates from the clavicle and spine of the scapula.
#6
Which action is NOT primarily performed by the trapezius muscle?
Protraction of the scapula
ExplanationTrapezius does not primarily perform protraction of the scapula.
#7
In which movement does the trapezius muscle play a significant role?
Elevation of the scapula
ExplanationTrapezius is significant in elevating the scapula.
#8
What is the blood supply to the trapezius muscle?
Transverse cervical artery
ExplanationTransverse cervical artery supplies blood to the trapezius muscle.
#9
Which part of the trapezius muscle is responsible for retracting the scapula?
Upper part
ExplanationThe upper part of trapezius retracts the scapula.
#10
Injury to which nerve can affect the function of the trapezius muscle?
Accessory nerve
ExplanationInjury to the accessory nerve can impact trapezius function.
#11
Which of the following movements involves the trapezius muscle contracting eccentrically?
Depression of the scapula
ExplanationEccentric contraction in trapezius occurs during depression of the scapula.
#12
What is the primary innervation of the trapezius muscle?
Accessory nerve
ExplanationThe primary innervation of trapezius is by the accessory nerve.
#13
Which of the following muscles works synergistically with the trapezius during shoulder abduction?
Deltoid
ExplanationDeltoid works synergistically with trapezius during shoulder abduction.
#14
What is the primary function of the lower part of the trapezius muscle?
Depression of the scapula
ExplanationLower part of trapezius is primarily responsible for depressing the scapula.
#15
Which anatomical landmark can be used to locate the upper part of the trapezius muscle?
Superior nuchal line
ExplanationSuperior nuchal line can be used to locate the upper part of trapezius.
#16
Which part of the trapezius muscle is most involved in shoulder elevation?
Lower part
ExplanationLower part of trapezius is most involved in shoulder elevation.
#17
What is the main arterial supply to the trapezius muscle?
Thoracodorsal artery
ExplanationThoracodorsal artery is the main arterial supply to trapezius.
#18
Which of the following movements is primarily controlled by the trapezius muscle?
Shoulder abduction
ExplanationTrapezius primarily controls shoulder abduction.
#19
What is the main function of the trapezius muscle in relation to the scapula?
Stabilization
ExplanationTrapezius stabilizes the scapula during movements.
#20
Which nerve root is associated with the innervation of the trapezius muscle?
C3-C4
ExplanationThe innervation of trapezius is associated with the C3-C4 nerve root.
#21
Which muscle often works in opposition to the trapezius during shoulder movements?
Serratus anterior
ExplanationSerratus anterior often works in opposition to trapezius during shoulder movements.
#22
What is the primary action of the trapezius muscle during scapular retraction?
Elevation
ExplanationThe primary action of trapezius during scapular retraction is elevation.