Anatomy

Question 1

Corona mortis anastomosis

Answer 1

External iliac (epigastrics) + Internal iliac (obturator)

Question 2

Elementary tab fx patterns

Answer 2

Ant wall
Ant column
Post wall
Post column
Transverse

Question 3

Assoc tab fx patterns

Answer 3

Both column
Post column + post wall
Transverse + post wall = MOST COMMON
T type = WORST PROGNOSIS
Ant column/wall + posterior hemitransverse

Question 4

Location of greatest force on tab when getting up from a chair

Answer 4

Superior posterior tab

Question 5

Os acetablui marginalis

Answer 5

Benign accessory ossification center in superior acetabulum

Fuses by age 20

Question 6

Roof arc angle indication for tab fx non-op

Answer 6

> 45 deg

Question 7

Structures seen on iliac oblique XR

Answer 7

Ant wall

Post column

Question 8

Surgical approach for old tab fx (>3 weeks)

Answer 8

EIF

Question 9

CC lig relationship to AC joint

Answer 9

Trapezoid = 3 cm medial
Conoid = 4.5 cm medial

Question 10

Surgical approach for coronoid fx + post-med rotatory instability

Answer 10

Medial between 2 FCU heads

Question 11

XR view to assess screw length in distal femur

Answer 11

30 deg internal rotation AP

Question 12

Hoffa fx location

Answer 12

LATERAL condyle

Question 13

Functional forearm ROM

Answer 13

50/50 deg pronation/supination

Question 14

Forearm casting position for lateral condyle fx

Answer 14

SUPINATION

Question 15

Forearm casting position for medial condyle fx

Answer 15

PRONATION

Question 16

Contraindication to DR fx CRPP

Answer 16

Deficient volar cortex

Question 17

Most common mode of LCL failure in elbow dislocation

Answer 17

Ligament avulsion off lateral epicondyle

Question 18

Forearm splint position with elbow instability

Answer 18

Point thumb TOWARDS intact ligament

Ex. Pronation if UCL is intact

Question 19

Most common complication after elbow terrible triad

Answer 19

Recurrent instability

Question 20

Surgical approach for Pipkin 4 fx

Answer 20

Trans-troch osteotomy (digastric)

Question 21

Anterior thigh compartment muscles (fem nerve)

Answer 21

Quads

Sartorius

Question 22

Posterior thigh compartment muscles

Answer 22

Biceps (tibial + common peroneal n)
Semi-T (tibal n)
Semi-M (tibial n)

Question 23

Medial thigh compartment muscles (obturator nerve)

Answer 23

Adductor longus, brevis, magnus

Gracilis

Question 24

Kocher interval elbow approach

Answer 24

Anconeus + ECU

Question 25

Kaplan interval elbow approach

Answer 25

Through EDC

Question 26

Judet scapula approach interval

Answer 26

Infraspinatus (suprascap n) + teres minor (ax n)

Question 27

Structures blocking reduction of MEDIAL subtalar dislocation

Answer 27

Peroneal tendons EDB TN joint capsule

Question 28

Structures blocking reduction of LATERAL subtalar dislocation

Answer 28

Post tib tendon FHL FDL

Question 29

Ligament at risk in lateral process talus fx

Answer 29

Talocalcaneal ligament

Question 30

What part of the talus does the artery of the tarsal canal supply

Answer 30

Lateral 2/3 of talar body