Beginner Trapezius Quiz

Q1. Which cranial nerve provides the main motor supply to trapezius?

• Spinal accessory nerve
• Dorsal scapular nerve
• Thoracodorsal nerve
• Long thoracic nerve

Q2. Which action is primarily associated with the upper fibers of trapezius?

• Elevation of the scapula
• Flexion of the elbow
• Medial rotation of the humerus
• Protraction of the scapula

Q3. Which action is primarily associated with the middle fibers of trapezius?

• Retraction of the scapula
• Extension of the elbow
• Depression of the mandible
• Protraction of the scapula

Q4. Which action is primarily associated with the lower fibers of trapezius?

• Depression of the scapula
• Protraction of the scapula
• Elevation of the humerus
• Flexion of the neck only

Q5. To which part of the clavicle does trapezius attach?

• Medial third of the clavicle
• Lesser tubercle of the humerus
• Costal surface of the first rib
• Lateral third of the clavicle

Q6. Which scapular process receives trapezius fibers laterally?

• Infraglenoid tubercle
• Acromion
• Subscapular fossa
• Coracoid process

Q7. Which part of the scapula receives an important trapezius insertion?

• Supraglenoid tubercle only
• Spine of the scapula
• Subscapular fossa
• Lateral border only

Q8. Which scapular movement produced by trapezius is essential for full overhead elevation of the upper limb?

• Downward rotation
• Protraction only
• Medial rotation of the humerus
• Upward rotation

Q9. Trapezius is classified as which type of back muscle?

• Deep intrinsic back muscle
• Transversospinalis muscle
• Superficial extrinsic back muscle
• Suboccipital muscle

Q10. Which structure forms a major superior attachment of trapezius in the posterior neck?

• Coracoacromial ligament
• Inguinal ligament
• Ligamentum nuchae
• Transverse humeral ligament