Orthopaedic Nurse Certified (ONC) Exam

Following posterior total hip arthroplasty, which set of movements must the patient avoid to prevent dislocation?

Hip extension, abduction, and external rotation Hip flexion >90°, adduction past midline, and internal rotation Hip flexion <45°, abduction, and external rotation Hip extension, adduction past midline, and external rotation

Correct Answer:

Hip flexion >90°, adduction past midline, and internal rotation

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