Elbow and wrist

Question 1

Which ligament restricts supination/pronation of the elbow joint?

Answer 1

Ligamentous

QUADRATE LIGAMENT

Question 2

Name the attachments of the ulnar collateral ligament f the elbow.

Answer 2

Anterior
(medial epicondyle to the coronoid process of the ulnar.
Posterior
(Lateral epicondlye to the olecrannon process of the ulnar)
Inferior
(Binds the anterior and posterior bands together)

Question 3

Name the joints of the elbow.

Answer 3

Superior Radio-ulnar joint
Humeroulnar joint
humeroradial joint

Question 4

Where does the quadrate ligament attach from/to?

Answer 4

From the Radial notch of the ulnar to the neck of the radius

Question 5

Which ligament of the elbow joint resists a valgus stress?

Answer 5

The medial collateral ligament

Question 6

Which ligament of the elbow joint resists a varus stress?

Answer 6

Lateral collateral ligament

Question 7

Describe the articulation of the Humeroradial Joint.

What type of joint is this?

Answer 7

Concave head of the radius articulates with the convexity of the capitulum of the humerus.
Synovial hinge joint

Question 8

Describe the articulation of the Humeroulnar Joint.

What type of joint is this?

Answer 8

The articulation is formed by the junction between the trochlear notch of ulna and the trochlea of humerus.
Synovial hinge joint

Question 9

Describe the articulation of the superior radioulnar joint.
What type of joint is this?
The head of the radius is enclosed within?

Answer 9

A synovial, pivot joint. An articulation between the head of the radius articulating with the radial notch of the ulna.
The annular ligament.

Question 10

Where does the annular ligament attach to/from?

Answer 10

Head of the radius to the radial Notch of

the ulnar

Question 11

Which ligament attaches from the radial notch to..
The head of the radius
The neck of the radius

Answer 11

Head (annular ligament)

Neck (Quadrate ligament)

Question 12

Describe the articulates of the distal radio ulnar joint.

Answer 12

This distal radioulnar joint is located just proximally to the wrist joint. It is an articulation between the ulnar notch of the radius, and the ulnar head.

Question 13

Which muscle inserts into the styloid process of the radius?

Which nerve/level innervates this muscle?

Answer 13

Brachioradialis
Radial Nerve,
C5,6

Question 14

Which ligament attaches to the styloid process of the radius?

Answer 14

Radial collateral ligament

Question 15

Which ligament stabilizes the distal radioulnar joint?
Tip
D.R.M.A.L

Answer 15

Dorsal radial metaphyseal arcuate ligament

Question 16

The Dorsal radial metaphyseal arcuate ligament attaches from/to?

Answer 16

Ulnar styloid process

Distal radius

Question 17

Then radial collateral ligament attaches from the styloid process of the radius to?

Answer 17

The trapezium

Question 18

The ulnar collateral ligament attaches from the styloid process of the ulnar to?

Answer 18

Triquetal/um

Question 19

How many carpal bones do we have in the wrist.
Name them.
What type of bones are they categorized as ?

Answer 19

8 carpals 
Scaphoid
Lunate
Triquetrum
Pisiform 
Trapezium
Trapezoid
Capitate
Hamate 

All of the carpals are short bones, except for the pisiform. This bone is a sesamoid bone.

Question 20

The pisiform is enclosed within which mucles?

Answer 20

Pisiform (a sesamoid bone, formed within the tendon of the flexor carpi ulnaris)

Question 21

Palpate the 8 carpal bones on your patient.

Answer 21

…

Question 22

The wrist joint is medically known as?

What type of joint is this?

Answer 22

The radiocarpal joint

Synovial ellipsoid joint

Question 23

What is the difference between the condyloid and ellipsoid joint?

Answer 23

Condyloid is convex an ellipsoid is convex

Question 24

State the bones which form the proximal and distal carpal bones.

Answer 24

The proximal row of carpal bones (moving from radial to ulnar) are the scaphoid, lunate, triquetrum, and pisiform, while the distal row of carpal bones (also from radial to ulnar) comprises the trapezium, trapezoid, capitate, and hamate.

Question 25

How many structures pass through the carpal tunnel? | Name them.

Answer 25

``` 10 The tendons of flexor digitorum superficialis (4) The tendons of flexor digitorum profundus (4) Median nerve (1) Flexor pollicus longus (1) ```

Question 26

Inflmmation of the tendon sheath of the carpal tunnel is known as? Tip.. begins with a T.

Answer 26

tenosynovitis

Question 27

Which 4 carpals make up the boundaries of the carpal tunnel?

Answer 27

hamate, capitate, trapezoid and trapezium

Question 28

Which ligament contributes towards the formation of the roof of the carpal tunnel?

Answer 28

Transverse ligament

Question 29

Which nerve supplies Opponens Pollicis?

Answer 29

Median nerve

Question 30

Which arteries supply the hand?

Answer 30

deep palmar arch and superficial palmar arch

Question 31

Which veins drain the fingers?

Answer 31

Digital

Question 32

Listers tubercle acts as a pully system for which muscle?

Answer 32

extensor pollicis longus

Question 33

Which ligament helps to stabilize the radio carpal joint?

Answer 33

Doral radio carpal ligament

Question 34

The radio carpal ligament runs from the dorsal surface of the distal radius to the ?

Answer 34

Triquetrum

Question 35

Which two tendons contribute towards the formation of the anatomical snuff box?

Answer 35

abductor pollicis longus and extensor pollicis brevis

Question 36

What type of joint is the metatarsal phalangeal joint?

Answer 36

Synovial condyloid joint

Question 37

How many bones are in the hand?

Answer 37

27 bones 8 carpals 5 metacarpals 14 phalanges

Question 38

Which ligaments prevents valgus/varus stress of the articulation between the metacarpal and phalanges?

Answer 38

Collateral ligament metcarpophalangeal

Question 39

Which ligament stabilizes the metacarpal phalangeal junction?

Answer 39

Transverse metacarpal ligament

Question 40

Which ligaments prevents displacement of the metatarsal bones? What is the articulation between the metacarpal joints called? What type of joint is this?

Answer 40

Dorsal and palmar metacarpal ligaments Intermetacarpal joints Synovial plane joint

Question 41

Which ligament extends from the radius to the lunate?

Answer 41

Short & long radiolunate ligament

Question 42

Which ligaments prevents displacement between the radius/ulnar and the proximal row of the carpals?

Answer 42

``` Short & long radiolunate ligament radioscapholunate ligament Medial and lateral collateral ligaments Ulnolunate Ulnotriquetal radiocarpal ligament ```

Question 43

Describe the movement of the wrist and the expected ROM

Answer 43

Flexion 80 to 90 Extension 70 to 90 Ulnar deviation 30 to 45 Radial Deviation 15

Question 44

Why is radial deviation restricted in comparison to to ulnar deviation?

Answer 44

The extension of the radial styloid process generates a restrictive barrier.

Question 45

State the four accessory movements of the wrist joint.

Answer 45

Compression Decompression Anterior and posterior glide Medial and lateral shear

Question 46

Which muscles perform ulnar deviation?

Answer 46

Flexor Carpi Ulnaris. | Extensor Carpi Ulnaris.

Question 47

Which muscles perform radial deviation?

Answer 47

Flexor Carpi Radialis. Extensor Carpi Radialis Longus. Extensor Carpi Radialis Brevis.