Introduction
femoral neck fractures, fracture, fractures
Hip fractures come at a high cost for the patient, the healthcare system, and for society [The failure rate of pertrochanteric fracture fixation has been reported from 2% and up to 20% [Radiostereometric analysis (RSA) have proven useful, accurate and precise for three-dimensional measurement of the displacement of femoral neck fractures after osteosynthesis and for migration of orthopaedic implants in the bones [