Acetabular cup positioning in primary routine total hip arthroplasty—a review of current concepts and technologies

Table 1 Suggested acetabular inclination and anteversion as per various authors based on spinopelvic mobility

Type	Sharma and Vigdorchik et al.		McKnight et al.		Luthringer and Vigdorchik et al.
Type	Inclination	Anteversion	Inclination	Anteversion	Anteversion in standing pelvis AP X-rays
1A	40°	20°–25°	35°–45°	15°–25°	20°–25°
1B	45°	25°–30°	45°–50°	20°–25°	30°
2A	40°	Anterior pelvic tilt-20°–25°; Posterior pelvic tilt-25° ^a	40°–45°	20°–25°	25°–30°
2B	40°	25° ^a	35°–40°	15°–20°	30°

^abut if posterior pelvic tilt >= 13°, then keep anteversion to be less than native anteversion

ISSN: 2524-7948