Shoulder Elbow

Question 1

mc complication of TEA at mid-term f/u

Answer 1

bushing wear

Question 2

mc injury assoc with elbow dislocation

Answer 2

posterolateral rotatory mechanism (supination, valgus)

proximal avulsion of LUCL

Question 3

Humeral head thickness approximately ___% of radius of curvature

Answer 3

70%

Question 4

2 indications for nerve exploration after humeral shaft fx

Answer 4

open fx

high velocity injury

Question 5

center of rotation for humeral head in arthroplasty

Answer 5

medial and posterior

Question 6

movement to avoid after remplissage

Answer 6

forward flexion + adduction

Question 7

release anterior capsule of elbow improves what

Answer 7

improves elbow extension

Question 8

posterior bundle of MCL function

Answer 8

restraint to elbow flexion

Question 9

preserve what ligaments for elbow stability

Answer 9

anterior bundle of MCL

lateral UCL

Question 10

pattern of OA with inflammatory arthritis

Answer 10

concentric glenoid wear

glenoid medialization

Question 11

eccentric glenoid wear leads to what

Answer 11

posterior humeral head subluxation

Question 12

mc complication of UCL repair

Answer 12

Ulnar neuritis

Question 13

ALPSA lesion = anteroinferior capsulolabral attachment commonly seen in

Answer 13

chronic anterior instability

Question 14

medial elbow under most valgus stress during what throwing phase

Answer 14

acceleration