Comparison of the Restoration of Hip Biomechanical Parameters by CT Measurement Between the 3 Surgical Techniques: RSA/Minihip/THA - Hip Replacement: 3D Planning

Inclusion Criteria: * Male or female * Age ≥ 18 years * Planned surgery: total hip arthroplasty, Minihip or RSA * Absence of osteoarthritis or osteoarthritis ≤ stage 1 (Tönnis classification) of contralateral hip (Radiographic analysis) * Patient having given his/her non-opposition to participate in the study * Patient with social insurance * Patient willing to comply with all study procedures and duration Exclusion Criteria: * Patient with comorbidity(ies) likely to affect biomechanical parameter measurements or surgical conditions: * Anomalies or anatomical changes of the hip, pelvis or lumbar spine (history of fracture, protrusion, scoliosis, history of orthopedic surgery, dysplasia, torsion disorder) * Established genetic disease affecting the musculoskeletal system * Severe or morbid obesity * Neuromuscular pathologies affecting the limb girdles * Severe osteoporosis * Bone location of primary or metastatic cancer (spine, pelvis or femur) - Inequality of lower limb length \> 2 cm. * Minors * Protected adults * Pregnant or breast-feeding women * Administrative reasons: inability to receive informed information, inability to participate in the entire study, lack of social security coverage, refusal to participate.