A total of 255 Subjects to include a minimum of 225 Primary THA Subjects and a Sub-group with a minimum of 30 hemi-hip arthroplasty Subjects will be prospectively enrolled into the study. All Subjects will be seen for a preoperative clinic visit at the time of consent, and evaluated at the time of surgery, 6 weeks (28-70 days), 3 months (71-132 days), minimum 1 year (304-668 days), and minimum 2 years (669-1,763 days) postoperatively.