Upper Extremity Clinical Correlation - Hoxie

Question 1

What does it mean to dislocate?

Answer 1

Go completely out of anatomic alignment

Question 2

What does it mean to reduce?

Answer 2

Go back to anatomic alignment

Question 3

What does it mean to subluxate?

Answer 3

Go partially out of anatomic alignment

Question 4

What are the two types of glenohumeral disloations and which is the most common?

Answer 4

Anterior and Posterior Dislocation

Anterior is much more common
-probably 99%

Posterior
-electrocution, seizure, or intoxication

Question 5

What is the best x-ray to view a shoulder dislocation?

Answer 5

axillary view

Question 6

What tendonpathy is known as tennis elbow?

Answer 6

Lateral epicondyle pain

Tendon disease of extensor tendon origin (ECRB)

Question 7

What tendonpathy is known as golfer’s elbow?

Answer 7

Medial epicondyle pain

Tendon disease of flexor-pronator origin

Question 8

What is nursemaid’s elbow?

Answer 8

Dislocation of the radial head only, usually a low-energy pulling energy
Not as bad in kids than adults

Question 9

The intrinsic muscles of the hand are responsible for:

Answer 9

Metacarpal phalangeal joint flexion,
Proximal interphalangeal joint extension,
Distal interphalangeal joint extension

Question 10

What is a very important principle to remember when dealing with articular surface injuries?

Answer 10

The surfaces must be made perfectly straight in order to heal correctly
-if not, expect arthritis and joint pain to continue

Question 11

What muscles of the rotator cuff are responsible for:
Elevation =
Internal Rotation =
External Rotation =

Answer 11

Elevation = supraspinatus and deltoid
Internal Rotation = subscapularis
External Rotation = infraspinatus and teres minor

Question 12

a midshaft fracture of the humerus could easily cause which nerve injury?

Answer 12

radial nerve injury

Question 13

a distal fracture of the humerus could cause what injury?

Answer 13

median or ulnar nerve injury

Question 14

What nerve does carpel tunnel syndrome affect?

What are the general symptoms?

Answer 14

median nerve

• swelling of flexor tendon synovium
• sensation changes
• pain
• loss of thenar strength

Question 15

An injury at the elbow to the posterior interosseus nerve would show what symptoms?

Answer 15

lack of thumb or finger extension

no change in sensation

Question 16

An injury to the superficial branch of the radial nerve would cause what symptoms?

Answer 16

Sensation changes

no loss of motor strength