096 Current Classifications of Spine Stiffness and Total Hip Arthroplasty Impingement Computer Simulations are Flawed Due to Wrong Assumptions

281 Is it Necessary to Obtain Lateral Pelvic Radiographs in Sit-to-Stand for Preoperative Total Hip Arthroplasty Planning?

444 Does the Geriatric Nutritional Risk Index Predict Complication Rates and Implant Survivorship in Primary Total Joint Arthroplasty?

P0008 Does the Geriatric Nutritional Risk Index Predict Complication Rates and Implant Survivorship in Revision Total Joint Arthroplasty?

P0565 Mid-Term Clinical and Radiographic Outcomes of a Monobloc Tapered Stem for Paprosky 3 and 4 Femoral Bone Defects