Quizlet Questions

Question 1

Describe the position of the MP stop.

Answer 1

Proximal to the PIP joints with the MP joints in 15 degrees of flexion

Question 2

Describe the position of the thumb post.

Answer 2

Encircles the distal phalanx of the thumb, but does not interfere with the thumb and finger pads

Question 3

Describe the purpose of adding a lumbrical bar with an IP extension assist.

Answer 3

Dynamic assistance for IP extension, while preventing MP hyperextension.

Question 4

Describe the rubber band line of pull for IP extension assist.

Answer 4

The line of pull should be perpendicular to the middle phalanx

Question 5

The C-bar should place the thumb in what position?

Answer 5

35 degrees of abduction

Question 6

Thumb post is indicated when:

Answer 6

Thumb opposition and flexion are not adequate for prehension

Question 7

What is the purpose of the 1st dorsal interosseous assist?

Answer 7

Abducts the index finger to assist prehension

Question 8

What is the purpose of the MP stop?

Answer 8

Substitutes for lumbrical weakness by positioning the MCP joint in flexion.

Question 9

What is the purpose of the spring swivel thumb attachment?

Answer 9

Dynamic thumb abduction assistance. Spring tension should allow full adduction, but enough tension to return the thumb to the abducted position.

Question 10

When is an adjustable MP flexion stop indicated?

Answer 10

When the MP joint is contracted to return the hand to functional position.

IP extension assist can be added if IP flexion contractures are present.

Question 11

Where is the 1st dorsal interosseus assist positioned?

Answer 11

positioned proximal to the PIP joint of the index finger

Question 12

Where is the spring swivel thumb positioned?

Answer 12

Proximal to the thumb IP joint

Question 13

Where should the thumb IP extension assist band be placed?

Answer 13

Positioned distal to the IP joint, but not obstructing the the thumb pad.

Question 14

A HO is also referred to as:

Answer 14

a short opponens orthosis

Question 15

A WHO is also referred to as:

Answer 15

a long opponens orthosis

Question 16

Can a patient be fit with bilateral ratchet WHO’s?

Answer 16

No, due to the difficulty of the ratchet, it is difficult to operate bilateral devices.

Question 17

Can bilateral WDWHO’s be fit?

Answer 17

Yes, patients can be fit with WDWHO’s.

They can also be fit with a ratchet one one side and WDWHO on the other.

Question 18

What controls the amount of wrist extension needed to operate a WDWHO?

Answer 18

The actuator

Question 19

What is the correct position of the C-bar?

Answer 19

Trimmed proximal to the IP joint of the thumb to allow IP flexion

Question 20

What is the purpose of a C-Bar?

Answer 20

To maintain an adequate web space

Question 21

List the 3 arches of the hand.

Answer 21

Proximal transverse arch
Distal transverse arch
Longitudinal arch

Question 22

MCP is the:

Answer 22

Metacarpophalangeal joint

Question 23

CMC is the:

Answer 23

Carpometacarpal joint

Question 24

How does mallet finger present?

Answer 24

Flexion of the DIP joint

Question 25

How does swan neck deformity present?

Answer 25

Hyperextension of the PIP joint and flexion of the DIP joint

Question 26

How does a boutonnière deformity present?

Answer 26

Flexion of the PIP joint and hyperextension of the DIP joint

Question 27

A patient with carpal tunnel syndrome would most likely be prescribed with _________________.

Answer 27

a cock-up splint

Question 28

To operate a WDWHO, the patient must have adequate _______________ strength.

Answer 28

wrist extension

Question 29

If a patient cannot operate a WDWHO, the patient may benefit from using a _________________________.

Answer 29

Ratchet WHO

Question 30

Extensor carpi radialis brevis inflammation and irritation is commonly referred to as __________________.

Answer 30

Tennis Elbow

Question 31

Entrapment of the ulnar nerve may be referred to you for which type of orthosis?

Answer 31

Cubital tunnel orthosis

Question 32

If the humeral fracture is in the distal 1/3 of the humerus, what orthosis will need to be fit?

Answer 32

Humeral fracture orthosis with forearm extension to reduce pronation and supination of the forearm.

Question 33

Define 3 anatomical structures are the "fixed unit" of the hand?

Answer 33

2nd metacarpal 3rd metacarpal The distal carpal row

Question 34

Which muscle makes up the ulnar border of the anatomic snuff box?

Answer 34

Extensor Pollicis Longus

Question 35

What is considered the ideal position for function when fusing the glenohumeral joint?

Answer 35

30 degrees abduction 30 degrees flexion 30 degrees internal rotation

Question 36

Which nerve runs through the cubital tunnel?

Answer 36

Ulnar nerve

Question 37

The coracobrachialis, biceps and brachialis muscles are innervated by the __________ nerve.

Answer 37

musculocutaneous

Question 38

Static progressive orthoses should be used:

Answer 38

30 minutes a day, 3x per day

Question 39

Lack of finger abduction and adduction could be indicative of a ____________ lesion.

Answer 39

ulnar nerve

Question 40

The most common presentation of rheumatoid arthritis of the hand is:

Answer 40

ulnar deviation of the MCP's

Question 41

Bouchard's nodes are a common result of arthritis at the _________ joint.

Answer 41

PIP

Question 42

___________ is often caused by falling alseep with an arm over a chair and a high radial nerve injury.

Answer 42

Saturday night palsy

Question 43

Damage to the radial nerve at a low level will result in:

Answer 43

Wrist Drop

Question 44

List the nerves of the arm:

Answer 44

1. Axillary 2. Radial 3. Musculocutaneous

Question 45

List the nerves of the foream:List the nerves of the foream:

Answer 45

1. Radial 2. Ulnar 3. Median

Question 46

The axillary nerve supplies motor involvement to the ________.

Answer 46

Shoulder

Question 47

The radial nerve innervates the following arm muscles:

Answer 47

1. Triceps | 2. Brachioradialis

Question 48

The biceps brachii is innervated by the _____ nerve.

Answer 48

Musculocutaneous

Question 49

The median nerve exits at the levels ____ of the spine.

Answer 49

C6-T1

Question 50

The musculocutaneous nerve exits the cervical spine at the _______ levels.

Answer 50

C5-6

Question 51

The axillary nerve exits the spine at ________.

Answer 51

C5-6

Question 52

The ulnar nerve exits the spine at ______ levels.

Answer 52

C8-T1

Question 53

What muscles form the thenar eminence?

Answer 53

Opponens pollicis Abductor pollicis brevis Flexor pollicis brevis

Question 54

Which two bones articulate with the radius to form the first section of the wrist joint?

Answer 54

Lunate | Scaphoid

Question 55

Name the three prime wrist extensors:

Answer 55

extensor carpi radialis longus extensor carpi radialis brevis extensor carpi ulnaris

Question 56

Name the two prime movers responsible for finger flexion:

Answer 56

flexor digitorum superficialis | flexor digitorum profundus

Question 57

Where is the axis of the wrist joint located?

Answer 57

2-3 mm distal to the radial styloid

Question 58

What bony feature prevents the elbow from hyperextending?

Answer 58

olecranon process and olecranon fossa

Question 59

The superficial extensors of the forear (as a group) have a common origin from the _____ of the humerus.

Answer 59

lateral epicondyle

Question 60

The anterior flexor muscles of the arm are innervated by the ______ nerve.

Answer 60

Musculocutaneous

Question 61

Injury to the _____ nerve would result in loss of forearm pronation.

Answer 61

median

Question 62

The primary function of the brachioradialis is _______.

Answer 62

elbow flexion