Beginner Trapezius Quiz

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

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

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

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

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

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

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

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

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

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

Q6. Which scapular process receives trapezius fibers laterally?

• Acromion
• Infraglenoid tubercle
• Subscapular fossa
• Coracoid process

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

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

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

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

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

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

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

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