The Medacta Quadra-P Anteverted Study

"* Assess clinical performance by Harris Hip score collected during preoperative and postoperative visits at 3 months, 1, 2, 5, 7 and 10 years.~* Assess radiological performance by standard radiographic examination performed before surgery, after surgery before discharge and during postoperative visits at 3 months, 1, 2, 5, 7 and 10 years.~* Assessing the patient's perception of the prosthetic joint by means of FJS questionnaire collected during the preoperative visit and postoperative visits at 3 months and at 1, 2, 5, 7 and 10 years after surgery.~* Assessment of functional recovery by gait analysis study~* Collect the rate of complications throughout the course of the study"