Beginner Extensor Digiti Minimi Quiz

Q1. In which compartment of the forearm is extensor digiti minimi located?

• Hypothenar compartment
• Anterior compartment
• Thenar compartment
• Posterior compartment

Q2. Extensor digiti minimi belongs to which layer of the posterior forearm muscles?

• Deep layer
• Deep anterior layer
• Superficial layer
• Intermediate anterior layer

Q3. From which humeral landmark does extensor digiti minimi primarily originate?

• Radial tuberosity
• Lateral epicondyle
• Greater tubercle
• Medial epicondyle

Q4. Which common tendon contributes to the proximal attachment of extensor digiti minimi?

• Triceps tendon
• Common flexor tendon
• Biceps tendon
• Common extensor tendon

Q5. Which digit is specifically acted on by extensor digiti minimi?

• Second digit
• Fifth digit
• Third digit
• First digit

Q6. What is the primary action of extensor digiti minimi?

• Extension of the little finger
• Flexion of the thumb
• Flexion of the little finger
• Opposition of the little finger

Q7. Into which structure on the little finger does the extensor digiti minimi tendon contribute?

• Extensor expansion
• Palmar aponeurosis
• Flexor sheath
• Flexor retinaculum

Q8. Which nerve supplies extensor digiti minimi?

• Median nerve
• Anterior interosseous nerve
• Ulnar nerve
• Posterior interosseous nerve

Q9. The posterior interosseous nerve is derived from which major peripheral nerve?

• Radial nerve
• Median nerve
• Ulnar nerve
• Musculocutaneous nerve

Q10. Extensor digiti minimi can also assist which movement at the wrist?

• Wrist extension
• Wrist flexion
• Forearm pronation
• Thumb opposition