Lecture 7 - Lower Extremity

Question 1

Which muscle connects to the Anterior inferior iliac spine and is implicated in its avulsion?

Answer 1

Rectus femoris

Question 2

The _____ trochanter almost never avulses in adults, so when it does, you need to consider underlying lesions.

Answer 2

Lesser trochanter

Question 3

Shenton’s line is a smooth line along the _____ neck and the inferior margin of the _____ ramus of the pubis.

The iliopectineal line lines the inside of the iliopubic canal.

Answer 3

Femoral neck

Superior ramus of the pubis.

Question 4

Hip arthrograms are indicated in patients with _____ tears.

Answer 4

Labrum

Question 5

What are the cutoff measurements for dysplasia and acetabular over-coverage in center edge angle of Wiberg?

Answer 5

If the angle is < 25 degrees –> dysplasia

If the angle is > 39 degrees –> acetabular over-coverage

Question 6

Patellar avulsion mostly occurs in older patients who are on ______.

Answer 6

Dialysis

Question 7

Which of the tarsal coalitions are most common?

Tarsal coalitions can be genetic and exhibit an autosomal _____ mode of inheritance.

Answer 7

Talocalcaneal and calcaneonavicular are most common.

Autosomal Dominant