elbow injuries

Question 1

with an elbow dislocation what disarticulates from what

Answer 1

Greater sigmoid notch disarticulates from trochlea

Question 2

are posterior or anterior elbow dislocations more common

Answer 2

posterior

Question 3

what percent of radial head fractures are accounted for in the elbow

Answer 3

1/3

Question 4

true or false

radial head fractures are commonly encountered to anterolateral aspect of the radial head

Answer 4

true

Question 5

what is a monteggia fracture

Answer 5

Fracture of proximal 1/3 of ulna with accompanying dislocation of radial head

Question 6

what is Little League Elbow

Answer 6

General term for related elbow injuries attributed to repetitive
overhand throwing in a pediatric patient population

Question 7

does tension stress the medial or lateral joint structures

Answer 7

medial

Question 8

does compression stress the medial or lateral joint structures

Answer 8

lateral

Question 9

what are the special test for little league elbow

Answer 9

• General grip strength 

- Pinch grip strength

Question 10

true or false

Epiphyseal growth plate fractures may result in mismanagement of suspected little league elbow

Answer 10

true

Question 11

what is the MOI for radial collateral ligament sprains

Answer 11

Varus stress applied to the elbow joint complex (mostly injured acutely)

Question 12

what are the special test for radial collateral ligament sprains

Answer 12

-Varus stress (0°and 30°of flexion)  -Pivot shift

Question 13

what degree of an injury is needed to cause UCL ruptures of avulsions

Answer 13

3rd degree sprains

Question 14

what are the percents that the UCL avulses of the following structures; humerus, ulna, midsubstance tears

Answer 14

• 70% avulse off humerus 
• 20% avulse off ulna
• 10% are midsubstance tears

Question 15

whats the MOI for UCL sprains

Answer 15

Valgus stress applied to the elbow joint complex in an acute or chronic fashion

Question 16

what are the special test for UCL sprains

Answer 16

Valgus stress (0°and 30°of flexion)

Question 17

what is ulnar neuritis

Answer 17

Traction nerve injury subsequent to a considerable valgus load(s)
applied to the medial elbow

Question 18

true or false

ulnar neuritis can be acute or chronic

Answer 18

true

Question 19

what patient population are susceptible to ulnar neuritis

Answer 19

overhand throwers and ppl with increased cubital valgum

Question 20

what is the special test for ulnar neuritis

Answer 20

Tinel’s

Question 21

In what sport is lateral epicondylitis common in

Answer 21

racquet sports (esp. tennis)

Question 22

true or false

Lateral epicondylitis is also common with ppl who use a single hand back hand instead of using two handed backhands

Answer 22

true

Question 23

what is the MOI for lateral epicondylitis

Answer 23

Repetitive loads to the common wrist extensor tendon that results in
eventual failure of the tissue (microtrauma -> macrotrauma)

Question 24

is medial epicondylitis more or less common than lateral epicondylitis

Answer 24

less

Question 25

does medial epicondylitis effect the wrist extensor tendon or wirst flexor tendon

Answer 25

wrist flexor tendon

Question 26

what is the MOI for medial epicondylitis

Answer 26

Repetitive loads to the common wrist flexor tendon that results in eventual failure of the tissue (microtrauma -> macrotrauma)

Question 27

what sport is medial epicondylitis common in

Answer 27

golfers

Question 28

what is the special test for medial epicondylitis

Answer 28

Medial epicondylmalacia

Question 29

what is the MOI for olecranon bursitis

Answer 29

Direct violent blunt force to olecranon | process/posterior elbow