ABFAS Clinical Procedures and Protocols 3

Question 1

When performing a subtalar joint arthroereisis for pediatric flatfoot, where is the implant placed?

Accepted Answer

Sinus tarsi

Answer

Talonavicular joint

Answer

Calcaneocuboid joint

Answer

Spring ligament

Question 2

Which principle governs the appropriate level of Kirschner wire placement when treating an unstable fifth metatarsal base fracture (Jones fracture) with intramedullary screw fixation?

Accepted Answer

The screw should be placed along the long axis of the metatarsal shaft

Answer

The screw should cross the fracture site by at least 2 cortices

Answer

The screw tip must engage the fourth metatarsal

Answer

The screw head must be countersunk below the cortex

Question 3

A patient presents with a recurrent ingrown toenail. Which procedure provides the most definitive long-term resolution?

Accepted Answer

Partial nail avulsion with phenol matrixectomy

Answer

Total nail avulsion alone

Answer

Winograd procedure

Answer

Zadek procedure

Question 4

During calcaneal osteotomy for cavovarus foot correction, which direction is the calcaneus translated to reduce lateral column overload?

Accepted Answer

Laterally

Answer

Medially

Answer

Anteriorly

Answer

Posteriorly

Question 5

What is the recommended tourniquet inflation pressure for an ankle tourniquet in an adult patient with a systolic blood pressure of 120 mmHg?

Accepted Answer

250 mmHg

Answer

100 mmHg

Answer

150 mmHg

Answer

350 mmHg

Question 6

Which classification system is most commonly used to stage osteochondral defects of the talus?

Accepted Answer

Berndt and Harty classification

Answer

Sanders classification

Answer

Essex-Lopresti classification

Answer

Hawkins classification

Question 7

In first metatarsophalangeal joint arthrodesis, what is the recommended position for fusion in the sagittal plane?

Accepted Answer

15–20 degrees of dorsiflexion

Answer

0 degrees (neutral)

Answer

5–10 degrees of dorsiflexion

Answer

30 degrees of dorsiflexion