QBank

Question 1

Pronator teres action

Answer 1

Pronation of forearm and flexion at the elbow

Question 2

Pronator Teres Innervation

Answer 2

Median Nerve (C7>C6)

Question 3

Flexor Carpi Radialis action

Answer 3

Flexion / Abduction of wrist (radial deviation), may assist in elbow flexion and pronation

Question 4

What ligament holds the proximal radial head in place?

Answer 4

Annular Ligament

Question 5

What is Gunstock deformity?

Answer 5

Cubitus Varus

Question 6

Optimal degree of elbow fixation for BILATERAL elbow arthrodesis

Answer 6

One at 110 degrees for feeding and one at 65 deg for perineal care

Question 7

Optimal degree of elbow fixation for UNILATERAL elbow arthrodesis

Answer 7

90 Degrees

Question 8

Late cocking and early acceleration phase pitchers are prone to what elbow injury?

Answer 8

Medial epicondylitis (can also cause MCL sprain / rupture)

Question 9

What test is 100% sensitive and 75% Specific for UCL injury?

Answer 9

Moving valgus stress test

Question 10

What test is used to DX dislocation / instability?

Answer 10

Elbow apprehension test

Question 11

What percentage of MCL (UCL) injuries will return to pre-injury performance level after conservative TX?

Answer 11

42%

Question 12

Tommy John Surgery

Answer 12

Repair of MCL anterior band ligament reconstruction. Has 90% return to pre-injury level of play

Question 13

Lateral epicondylitis primarily involves which muscle tendon?

Answer 13

ECRB, less commonly Extensor digitorum and ECU

Question 14

Racquet modifications for lateral epicondylitis

Answer 14

Slower playing surface, more flexible racquet (absorbs energy), lower string tension (absorbs energy), larger grip

Question 15

Most common elbow dislocation

Answer 15

Posterior

Question 16

Elbow dislocation can be assc with what fractures

Answer 16

Coronoid process or radial head fx’s

Question 17

Osteochondritis dissecans of the elbow is typically located at:

Answer 17

the Capitellum

Question 18

Osteochondritis dissecans of elbow is associated with what sports?

Answer 18

Gymnastics and throwing

Question 19

What condition is assc with pain in the Deceleration phase of throwing.

Answer 19

Valgus extension overload (VEO) or pitchers elbow

Question 20

What is fracture of the proximal ulna and dislocation of the radial head called?

Answer 20

Monteggia Fracture

Question 21

What elbow fracture is most common in children?

Answer 21

Supracondylar fracture (60% of elbow fractures)

Question 22

What is most common cause of positive fat pad sign on xray?

Answer 22

Elbow hyperextension injury

Question 23

Most common neurapraxia after supracondylar fracture?

Answer 23

Anterior Interosseous injury (difficulty pinching, drops objects, +OK sign)

Question 24

AIN muscles

Answer 24

FDP, FPL (OK sign), PQ