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Table 2 Abductor Moment Arm in Neutral Stance with 30° Pelvic Tilt

From: Hip abductor moment arm - a mathematical analysis for proximal femoral replacement

  Muscle Division Abductor Moment Arm (cm)
   Biomet - Letson Biomet - Finn Stryker - GMRS Native Femur
  Anterior 4.2 3.6 4.5 4.5
Gluteus Medius Middle 3.6 2.9 3.8 3.7
  Posterior 2.8 2.0 2.9 2.6
  Anterior 4.6 4.1 5.0 5.5
Gluteus Minimus Middle 3.8 3.0 4.0 4.0
  Posterior 2.7 1.8 2.8 2.4
Mean   3.6 2.9 3.8 3.8
Change from 0° Tilt   -22% -33% -24% -32%