Severe Spondylolisthesis

Severe Spondylolisthesis.- Functional Implications of the Morphology of the Lumbosacral Hinge.- Sagittal Profile of Normal Spine Changes in Spondyolisthesis.- Sagittal Plane Alignment at the Lumbo-sacral-Junction: Some of the Local Factors Both in an Out of the Control of the Surgeon Effecting Biomechanical Behavior.- Biomechanics of the L5/S1 Junction and the Effect of Spondylolisthesis and Spondyloptosis.- A Finite Element Reflection of the Lumbosacral Junction.- The Mechanics of Severe Spondylolisthesis.- Why to Strive for Reduction of High Grade Slips Spondylolisthesis.- Spondylolisthesis: Treatment Options and Alternatives in Managing High Grade Slippage.- Reduction of Spondyloptosis and Fusion by Posterior Only Approach - Staged Reduction and Fusion with External Fixateur and Combined Approach for Spondyloptosis.- Treatment of Spondyloptosis by L5 Vertebrectomy with Reduction of L4 onto S1: A 20 year Review.