Deck 12: Wrist Joint

Question 1

When teaching a client strengthening exercises for wrist radial deviation,which of the following is the BEST position to place him in to start the exercise?

A) Seated with forearm on table,palm up
B) Seated with forearm on table,palm down
C) Seated with forearm on table,thumb up
D) Seated with forearm on table,thumb down

Answer 1

C

Question 2

Which muscle originates on the lateral epicondyle of the humerus and inserts at the base of the third metacarpal?

A) Palmaris longus
B) Extensor carpi radialis longus
C) Extensor carpi radialis brevis
D) Extensor carpi ulnaris

Answer 2

C

Question 3

Which muscle originates on the medial epicondyle of the humerus and inserts on the palmar fascia?

A) Palmaris longus
B) Extensor carpi radialis longus
C) Flexor carpi ulnaris
D) Extensor carpi ulnaris

Answer 3

A

Question 4

The bony landmark located on the distal medial side of the humerus is the

A) supracondylar ridge.
B) lateral condyle.
C) medial condyle.
D) styloid process of the humerus.

Question 5

Which wrist muscle is the direct antagonist of the palmaris longus?

A) Flexor carpi ulnaris
B) Extensor carpi ulnaris
C) Extensor carpi radialis brevis
D) Pronator quadratus

Question 6

The ligament that attaches to the styloid process of the radius and to the scaphoid and trapezium bones is the

A) radial collateral ligament.
B) ulnar collateral ligament.
C) dorsal radiocarpal ligament.
D) interosseous membrane.

Question 7

When the extensor carpi ulnaris and flexor carpi ulnaris contract simultaneously,which motions are neutralized?

A) Flexion and extension of the wrist
B) Radial and ulnar deviation
C) Wrist circumduction
D) None of the above

Question 8

A person needing to stretch the wrist flexors needs to put the wrist in which of the following positions?

A) Flexion
B) Extension
C) Radial deviation
D) All of the above will stretch the wrist flexors.

Question 9

When the flexor carpi radialis and the extensor carpi radialis longus contract simultaneously,which motion results?

A) Supination of the forearm
B) Wrist extension
C) Wrist radial deviation
D) Wrist circumduction

Question 10

The PT plan of care directs you to do ISOM strengthening of the wrist extensors in a shortened position.To do this you would place the wrist in which of the following positions?

A) Neutral
B) Flexion
C) Extension
D) Any of the above would be correct.

Question 11

If the emphasis for the above exercise is eccentric strengthening,how would you instruct your client to pace the exercise?

A) Emphasis on the "up" motion
B) Emphasis on the "down" motion
C) Both directions will work the muscle eccentrically.
D) Emphasis on holding the wrist in neutral position for 5 to 10 seconds

Question 12

Paralysis of the flexor carpi ulnaris muscle could indicate trauma to which of the following nerves?

A) Median nerve
B) Ulnar nerve
C) Radial nerve
D) Musculocutaneous nerve

Question 13

The three wrist extensors are innervated by which nerve?

A) Median nerve
B) Ulnar nerve
C) Radial nerve
D) Musculocutaneous nerve

Question 14

If you are instructed to work on closed-chain upper extremity activity and you have your patient stand and place her hand on a table with her fingers facing forward and rock forward to touch an object with the other hand,which motion is occurring at the wrist that is on the table?

A) Flexion
B) Extension
C) Radial deviation
D) Ulnar deviation

Question 15

If a person repeatedly falls on an outstretched hand (extended wrist)while snowboarding,they are at increased risk for a sprain to which of the following ligaments?

A) Radial collateral ligament
B) Ulnar collateral ligament
C) Palmar radiocarpal ligament
D) Dorsal radiocarpal ligament

Question 16

The flexor carpi radialis and flexor carpi ulnaris are agonists in which of the following motions?

A) Flexion
B) Ulnar deviation
C) Radial deviation
D) A and C

Question 17

Which muscle originates on the medial epicondyle of the humerus and inserts on the base of the second metacarpal?

A) Extensor carpi radialis brevis
B) Flexor digitorum profundus
C) Flexor carpi radialis
D) Extensor digitorum

Question 18

Which muscle originates on the lateral epicondyle and inserts on the base of the fifth metacarpal?

A) Extensor carpi ulnaris
B) Extensor carpi radialis longus
C) Flexor carpi ulnaris
D) Palmaris longus