Exam 2 Pt. 4

Question 1

Avulsion of Anterior Tibial Spine

Answer 1

MC in children

hyperextension of knee with internal rotation of tibia

Question 2

Avulsion of Anterior Tibial Spine

Answer 2

50% occur from falling off a bicycle

Question 3

MC fx of patella

Answer 3

Transverse 60% of time

Question 4

Meniscal tear must

Answer 4

defect extend to the ARTICULAR surface

Question 5

Segonds is

Answer 5

avulsion of the lateral tibial plateu associated in 75-100% of ACL tears

Question 6

what is a Maisonneuve fx

Answer 6

spiral fx of the proximal 1/3 of the fibula, associated with medial malleolous fx

Question 7

Fx of lateral malleolus occurs from

Answer 7

inversion

Question 8

ankle stress views need

Answer 8

> 16 degrees of talar dome angulation
Asymmetrical lateral mortise spacing
3mm anterior translation

Question 9

what is MC tarsal fx

Answer 9

Calcaneal
compressive forces
Use Boehler’s angle to determine

Question 10

Boehler’s angle should NOT be less than

Answer 10

28 degrees

Question 11

what is 2nd mc tarsal fx

Answer 11

Talus

Question 12

Dancer’s/Jones fx

Answer 12

transverse fx at base of 5th metatarsal

Question 13

Dancer’s/Jones fx results from

Answer 13

plantar flexion and inversion of foot

Avulsion of peroneus brevis tendon

Question 14

Lisfranc dislocation is

Answer 14

tarsometatarsal dislocation, typically dorsally.

Occurs from a fall from heights

Question 15

Lisfranc can occur with what disease

Answer 15

diabetes

Question 16

Chopart’s dislocation occurs

Answer 16

midtarsal dislocation
RARE
foot displaced medially normally