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Table 1 Geometry characters of the prothesis

From: Computer simulation of optimal lipped polyethylene liner orientation against prosthetic impingement

Geometry character Length or angle (mm/°)
Acetabular diameter 50
Head size 28
Neck length 30
Head-to-neck ratio* 1.54–1.72
Neck-to-shaft angle 132°
Stem length 140
  1. *The cross section of the neck was an ellipse which was shown in supplementary material (see Additional file 1). We used the long axis and the short axis to calculate the head-to-neck ratio separately