Ankle Ligaments Flashcards
1
Q
What motion do syndesmotic screws inhibit?
A
External rotation.
2
Q
What is the normal tib/fib overlap and tib/fib clear space on an AP view of the ankle?
A
> 10mm of overlap, <5mm clear space
3
Q
What physical exam tests for ATFL?
A
Anterior drawer in 20 degrees plantar flexion.
Greater than 8mm anterior shift on lateral radiograph is diagnostic of ATFL.
4
Q
What is the most common ligament attenuated in a Type II flatfoot deformity secondary to a posterior tibial tendon deficiency?
A
Spring (calcaneonavicular) ligament.
