Lever Arm Diagram of hip and its clinical correlates.
Normal hip angle versus varus and valgus hip, and clinical correlates.
Dorr Classification and impact on implant selection.
The acetabular cup placement should allow for normal hip motion to avoid impingement.
Placement depends on appropriate Version, Inclination, Depth, and Height. It is affected by Pelvic Tilt.
Pros and Cons of Approaches to the Hip.