Exam Questions Radius The Funky Professor videos can be viewed here; http://publishing.rcseng.ac.uk/journal/video?doi=10.1308%2Fvideo.2016.1.1&videoTaxonomy=FUNK

1. Questions
Radius

2. Proximal radius
The highlighted area is called the
1 Radial fossa
2 Radial styloid
3 Radial head
4 Radial groove
5 Radial tuberosity

3. Proximal radius
The highlighted area is called the
1 Radial fossa F
2 Radial styloid F
3 Radial head T
4 Radial groove F
5 Radial tuberosity F

4. Proximal radius
The highlighted area articulates with the
1 Capitulum of proximal humerus
2 Capitulum of distal humerus
3 Trochlea of distal humerus
4 Lunate
5 Scaphoid

5. Proximal radius
The highlighted area articulates with the
1 Capitulum of proximal humerus F
2 Capitulum of distal humerus T
3 Trochlea of distal humerus F
4 Lunate F
5 Scaphoid F

6. Proximal radius
The highlighted area is called the
1 Radial fossa
2 Radial styloid
3 Radial head
4 Radial neck
5 Radial tuberosity

7. Proximal radius
The highlighted area is called the
1 Radial fossa F
2 Radial styloid F
3 Radial head F
4 Radial neck T
5 Radial tuberosity F

8. Proximal radius
The highlighted area is closely related to the
1 Annular ligament
2 Circular ligament
3 Medial collateral ligament
4 Ligamentum Teres
5 Anterior collateral ligament

9. Proximal radius
The highlighted area is closely related to the
1 Annular ligament T
2 Circular ligament F
3 Medial collateral ligament F
4 Ligamentum Teres F
5 Anterior collateral ligament F

10. Proximal radius
The highlighted area is called the
1 Radial fossa
2 Radial styloid
3 Radial head
4 Radial groove
5 Radial tuberosity

11. Proximal radius
The highlighted area is called the
1 Radial fossa F
2 Radial styloid F
3 Radial head F
4 Radial groove F
5 Radial tuberosity T

12. Proximal radius
The muscle that attaches here is called
1 Brachioradialis
2 Triceps
3 Brachialis
4 Biceps femoris
5 Biceps brachii

13. Proximal radius
The muscle that attaches here is called
1 Brachioradialis F
2 Triceps F
3 Brachialis F
4 Biceps femoris F
5 Biceps brachii T

14. Proximal radius
The muscle that attaches here is innervated by the
1 Musculocutaneous nerve
2 Axillary nerve
3 Median nerve
4 Ulnar nerve
5 Radial nerve

15. Proximal radius
The muscle that attaches here is innervated by the
1 Musculocutaneous nerve T
2 Axillary nerve F
3 Median nerve F
4 Ulnar nerve F
5 Radial nerve F
The biceps brachii attaches here and is supplied by the musculocutaneous nerve

16. Proximal radius
The muscle that attaches here
1 Extends the elbow joint
2 Extends the wrist joint
3 Pronates the forearm
4 Supinates the forearm
5 Flexes the elbow joint

17. Proximal radius
The muscle that attaches here
1 Extends the elbow joint F
2 Extends the wrist joint F
3 Pronates the forearm F
4 Supinates the forearm T
5 Flexes the elbow joint T
The biceps brachii attaches here. It flexes the elbow and is the most powerful
supinator of the forearm.

18. Dorsal aspect distal right radius
The highlighted area is called the
1 Radial fossa
2 Radial styloid
3 Radial head
4 Radial neck
5 Radial tuberosity

19. Dorsal aspect distal right radius
The highlighted area is called the
1 Radial fossa F
2 Radial styloid T
3 Radial head F
4 Radial neck F
5 Radial tuberosity F

20. Dorsal aspect distal right radius
The highlighted area articulates with
1 Trapezium
2 Scaphoid
3 Triquetral
4 Lunate
5 Capitate

21. Dorsal aspect distal right radius
The highlighted area articulates with
1 Trapezium F
2 Scaphoid T
3 Triquetral F
4 Lunate F
5 Capitate F

22. Distal right radius oblique view
The highlighted area articulates with the
1 Trapezium
2 Scaphoid
3 Triquetral
4 Lunate
5 Capitate

23. Distal right radius oblique view
The highlighted area articulates with the
1 Trapezium F
2 Scaphoid T
3 Triquetral F
4 Lunate F
5 Capitate F
This is the scaphoid fossa of the distal radius which aticulates with the scaphoid bone

24. The highlighted area articulates with the
1 Trapezium
2 Scaphoid
3 Triquetral
4 Lunate
5 Capitate
Distal right radius oblique view

25. The highlighted area articulates with the
1 Trapezium F
2 Scaphoid F
3 Triquetral F
4 Lunate T
5 Capitate F
This is the lunate fossa of the distal radius. It articulates with the lunate bone.
Distal right radius oblique view

26. Dorsal aspect distal right radius
The highlighted area is closely related to the
tendon of
1 Flexor pollicis longus
2 Extensor carpi ulnaris
3 Abductor Pollicis Longus
4 Extensor pollicis longus
5 Flexor carpi radialis

27. Dorsal aspect distal right radius
The highlighted area is closely related to the
tendon of
1 Flexor pollicis longus F
2 Extensor carpi ulnaris F
3 Abductor Pollicis Longus F
4 Extensor pollicis longus T
5 Flexor carpi radialis F
This is Lister’s tubercle. It is closely related to the extensor pollicis longus tendon. This
tendon can rupture following a malunited fracture of the distal radius.

28. Muscles
The following muscles attach to the radius
1 Extensor digitorum
2 Brachioradialis
3 Flexor digitorum superficialis
4 Flexor digitorum profundus
5 Extensor Carpi Radialis Longus

29. Muscles
The following muscles attach to the radius
1 Extensor digitorum F
2 Brachioradialis T
3 Flexor digitorum superficialis T
4 Flexor digitorum profundus F
5 Extensor Carpi Radialis Longus F
Extensor digitorum originates from the lateral epicondyle and inserts onto the extensor
expansion of digits 2-5.
Brachioradialis originates from the lateral supracondylar ridge of the humerus and inserts
onto the lateral surface distal aspect of radius.
Flexor digitorum superficialis originates from the medial epicondyle of humerus, ulnar
collateral ligament and coronoid process of ulna; Radial head: superior half of anterior
border of radius and it inserts onto middle phalanges of digits 2 – 5.
Flexor digitorum profundus originates from the proximal 3/4 of medial and anterior
surfaces of ulna and interosseous membrane and inserts onto the base of the distal phalanx
of digits 2 – 5
Extensor Carpi Radialis Longus originates from the lateral supracondylar ridge of the
humerus and inserts onto the base of the 2nd metacarpal

30. Muscles
The following muscles attach to the radius
1 Extensor Pollicis Brevis
2 Extensor Pollicis Longus
3 Pronator Quadratus
4 Abductor Pollicis Longus
5 Extensor Carpi Radialis Brevis

31. Muscles
The following muscles attach to the radius
1 Extensor Pollicis Brevis T
2 Extensor Pollicis Longus F
3 Pronator Quadratus T
4 Abductor Pollicis Longus T
5 Extensor Carpi Radialis Brevis F
Extensor Pollicis Brevis originates from the posterior surface of the radius and
interosseous membrane and inserts onto the base of proximal phalanx of thumb
Extensor Pollicis Longus originates from the posterior surface of middle 1/3 of ulna and
interosseous membrane and inserts onto the base of distal phalanx of thumb
Pronator Quadratus originates from distal 1/4 of anterior surface of ulna and inserts
onto the distal 1/4 of anterior surface of radius.
Abductor Pollicis Longus originates from the posterior surfaces of ulna, radius and
interosseous membrane and inserts onto the base of 1st metacarpal
Extensor Carpi Radialis Brevis originates from the lateral epicondyle of the humerus
and inserts onto the base of the 3rd metacarpal