ABPS Orthopedic Surgery Practice Questions - ABPS Orthopedic Surgery Certification Examination Exam

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A 68-year-old undergoes primary total hip arthroplasty (THA) via the posterior approach. Which combination of acetabular component position is generally considered the Lewinnek 'safe zone' to minimize dislocation risk?

Inclination 20-30 degrees, anteversion 0-5 degrees Inclination 30-50 degrees, anteversion 5-25 degrees Inclination 55-65 degrees, anteversion 30-40 degrees Inclination 70-80 degrees, anteversion 40-50 degrees

Correct Answer:

Inclination 30-50 degrees, anteversion 5-25 degrees

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