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.

Which of the following is a risk factor for developing a scapular fracture after reverse total shoulder arthroplasty?
    • Osteoporosis
    • Otto, et al. showed that osteoporosis is a significant predictor of reverse shoulder arthroplasty.


    • Male sex
    • Female sex is associated with scapular spine fracture.


    • Grammont-style implant
    • No implant type is linked to scapular spine fracture.


    • Dominant arm
    • There is no evidence that links the dominant arm to scapular fracture.