Intermediate Trapezius Quiz

Q1. Which occipital landmarks contribute to the origin of trapezius?

• Occipital condyles only
• Medial superior nuchal line and external occipital protuberance
• Mastoid process and styloid process
• Foramen magnum and jugular foramen

Q2. Which vertebral region provides the long midline origin of the thoracic portion of trapezius?

• Cervical transverse processes only
• Thoracic spinous processes to about T12
• Lumbar transverse processes only
• Sacral cornua

Q3. Which trapezius fibers insert on the lateral third of the clavicle?

• Middle fibers only
• Lower fibers only
• Upper fibers
• All fibers insert exclusively on the clavicle

Q4. Which trapezius fibers are most directly responsible for scapular retraction?

• Upper fibers only
• No trapezius fibers
• Middle fibers
• Lower fibers only

Q5. Which trapezius fibers cooperate most strongly to produce upward rotation of the scapula?

• Upper and middle fibers only
• Upper and lower fibers
• Middle fibers alone
• Lower fibers alone

Q6. Which cervical spinal nerves carry sensory and proprioceptive fibers from trapezius?

• L1 and L2
• C8 and T1
• C3 and C4
• T6 and T7

Q7. Where is the spinal accessory nerve particularly vulnerable after it enters the posterior triangle of the neck?

• Carpal tunnel
• Posterior triangle of the neck
• Cubital tunnel
• Femoral triangle

Q8. Which muscle works with trapezius as a major upward rotator of the scapula?

• Pectoralis minor
• Rhomboid major
• Serratus anterior
• Levator scapulae

Q9. How do the upper and lower trapezius fibers differ in their vertical effects on the scapula?

• Upper fibers depress and lower fibers elevate
• Upper fibers elevate and lower fibers depress
• Both only elevate
• Both only depress

Q10. Why can trapezius influence movement of the scapula without inserting on the humerus?

• It inserts secretly on the humeral head
• It has no role in upper limb movement
• It acts only through the elbow joint
• It acts directly on the pectoral girdle rather than the humerus