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This quiz contains questions about the elbow and forearm anatomy. Good luck!

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Elbow and Forearm

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Question 1
What bone can be avulsed by a strong contraction of triceps?
A
Lateral epicondyle
B
Ulnar styloid
C
Olecranon
D
Medial epicondyle
E
Head of radius
Question 2
What is the region used for elbow injection/aspiration?
A
Capitulum triangle- the borders are the ulnar styloid, medial epicondyle and the trochlea
B
Olecranon triangle- the borders are the radial head, lateral epicondyle and the olecranon
C
Anconeus triangle - the borders are the radial head, lateral epicondyle and the olecranon
D
Anconeus triangle- the borders are the ulnar styloid, lateral epicondyle and the olecranon
E
Olecranon triangle- the borders are the ulnar styloid, medial epicondyle and the trochlea
Question 3
What nerve can be damaged by a neck of radius fracture?
A
Ulnar nerve
B
Median nerve
C
Radial nerve
D
Anterior interosseous nerve
E
Posterior interosseous nerve
Question 4
What ligament surrounds the radial head?
A
Medial collateral ligament
B
Annular ligament
C
Interosseous ligament
D
Anconeal ligament
E
Lateral collateral ligament
Question 5
Which nerve allows pronation of the radioulnar joint?
A
Brachial nerve
B
Ulnar nerve
C
Musculocutaneous nerve
D
Median nerve
E
Radial nerve
Question 6
How many layers of muscles are there in the posterior compartment of the forearm?
A
2
B
3
C
1
D
4
E
5
Question 7
Which muscles are not supplied by the median nerve in the anterior forearm?
A
Flexor carpi radialis (FCR) and the radial half of flexor digitorum profundus (FDP) to fingers 4 & 5
B
Flexor carpi ulnaris (FCU) and the ulnar half of flexor digitorum profundus (FDP) to fingers 2&3
C
Flexor carpi radialis (FCR) and the ulnar half of flexor digitorum profundus (FDP) to fingers 4 & 5
D
Flexor carpi ulnaris (FCU) and the ulnar half of flexor digitorum profundus (FDP) to fingers 4 & 5
E
Flexor carpi ulnaris (FCU) and the radial half of flexor digitorum profundus (FDP) to fingers 4 & 5
Question 8
Which of the following muscles does not originate from the lateral epicondyle?
A
Extensor Digitorum
B
Extensor Carpi Radialis Brevis
C
Extensor Carpi Radialis Longus
D
Extensor Digiti Minimi
E
Extensor Carpi Ulnaris
Question 9
What movement is performed by Extensor Indicis?
A
Extension of 2nd digit to the MCP joint
B
Extension of 2nd digit to the PIP joint
C
Extension of 2nd digit to the DIP joint
D
Extension of 3rd digit to the PIP joint
E
Extension of 3rd digit to the DIP joint
Question 10
A 28 year old female presents with right thumb pain for the past 2 months. They have a 8 month old baby and report the pain is worse when picking up the baby. Which extensor compartment of the wrist is most likely affected?
A
2
B
4
C
6
D
1
E
3
Question 11
Which of the following are the correct borders of the cubital fossa?
A
Pronator teres, brachioradialis, inferior border of the olecranon
B
Pronator teres, brachioradialis, inter-epicondylar line
C
Pronator teres, brachioradialis, lateral epicondyle
D
Supinator, brachioradialis, inter-epicondylar line
E
Pronator teres, medial head of biceps, inter-epicondylar line
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