The JBJS Quiz of the Month is a collection of 10 relevant questions from each orthopaedic subspecialty. The questions are drawn from JBJS Clinical Classroom, which houses over 4,500 questions and 3,100 learning resources. Take the Quiz to see how you score against your peers!

NOTE: This quiz does not earn users CME credits. The questions must be answered within Clinical Classroom to earn CME credits.

A patient presents with a history of a right acetabular fracture treated with extensive plate fixation 3 years ago and now has severe posttraumatic hip arthritis. Which of the following would be a contraindication for an anterior approach to total hip arthroplasty?
    • Large posterior column defect/nonunion


    • Extensive scar tissue enveloping the sciatic nerve


    • Posterior wall fixation screws penetrating the joint


    • Protrusio and likely incarceration of the femoral head