L. Huec, J. C. Saddiki, R. Franke, J. Rigal, J. Aunoble et al., Equilibrium of the human body and the gravity line: the basics, Eur Spine J. sept, vol.20, issue.5, pp.558-63, 2011.

F. Schwab, V. Lafage, R. Boyce, W. Skalli, and J. Farcy, Gravity line analysis in adult volunteers: age-related correlation with spinal parameters, pelvic parameters, and foot position, Spine. 1 déc, vol.31, issue.25, pp.959-967, 2006.

M. Petit, W. Thompson, P. Lacroix, C. Barrey, A. Faundez et al., Équilibre sagittal du rachis : description et applications. Httpwwwem-PremiumcomdocelecuBordeauxfrdatatraitesap15-71722

D. Sur,

G. Duval-beaupère and J. Legaye, Composante sagittale de la statique rachidienne, Rev Rhum. févr, vol.71, issue.2, pp.105-124, 2004.

B. G. Diebo, J. J. Varghese, R. Lafage, F. J. Schwab, and V. Lafage, Sagittal alignment of the spine: What do you need to know?, Clin Neurol Neurosurg. déc, vol.139, pp.295-301, 2015.

R. P. Jackson, E. H. Simmons, and D. Stripinis, Coronal and sagittal plane spinal deformities correlating with back pain and pulmonary function in adult idiopathic scoliosis, Spine. déc, vol.14, issue.12, pp.1391-1398, 1989.

K. Phan, A. Nazareth, A. K. Hussain, A. A. Dmytriw, M. Nambiar et al., Relationship between sagittal balance and adjacent segment disease in surgical treatment of degenerative lumbar spine disease: meta-analysis and implications for choice of fusion technique, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc. août, vol.27, issue.8, pp.1981-91, 2018.

T. Matsumoto, S. Okuda, T. Maeno, T. Yamashita, R. Yamasaki et al.,

, Spinopelvic sagittal imbalance as a risk factor for adjacent-segment disease after singlesegment posterior lumbar interbody fusion, J Neurosurg Spine. avr, vol.26, issue.4, pp.435-475, 2017.

G. Duval-beaupère, C. Schmidt, and P. Cosson, A Barycentremetric study of the sagittal shape of spine and pelvis: the conditions required for an economic standing position, Ann Biomed Eng, vol.20, issue.4, pp.451-62, 1992.

J. Legaye, G. Duval-beaupère, J. Hecquet, and C. Marty, Pelvic incidence: a fundamental pelvic parameter for three-dimensional regulation of spinal sagittal curves, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc, vol.7, issue.2, pp.99-103, 1998.

L. Huec, J. C. Aunoble, S. Philippe, L. Nicolas, and P. , Pelvic parameters: origin and significance, Eur Spine J. sept, vol.20, issue.5, pp.564-71, 2011.

L. Huec, J. C. Demezon, H. Aunoble, and S. , Sagittal parameters of global cervical balance using EOS imaging: normative values from a prospective cohort of asymptomatic volunteers, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc. janv, vol.24, issue.1, pp.63-71, 2015.

P. Roussouly, E. Berthonnaud, and J. Dimnet, Geometrical and mechanical analysis of lumbar lordosis in an asymptomatic population: proposed classification

, Rev Chir Orthop Reparatrice Appar Mot, vol.89, issue.7, pp.632-641, 2003.

L. Huec, J. C. Hasegawa, and K. , Normative values for the spine shape parameters using 3D standing analysis from a database of 268 asymptomatic Caucasian and Japanese subjects, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc, vol.25, issue.11, pp.3630-3637, 2016.

D. E. Gelb, L. G. Lenke, K. H. Bridwell, K. Blanke, and K. W. Mcenery, An analysis of sagittal spinal alignment in 100 asymptomatic middle and older aged volunteers, Spine. 15 juin, vol.20, issue.12, pp.1351-1359, 1995.

C. Amabile, L. Huec, J. Skalli, and W. , Invariance of head-pelvis alignment and compensatory mechanisms for asymptomatic adults older than 49 years, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc. févr, vol.27, issue.2, pp.458-66, 2018.

E. Berthonnaud, J. Dimnet, P. Roussouly, and H. Labelle, Analysis of the sagittal balance of the spine and pelvis using shape and orientation parameters, J Spinal Disord Tech. févr, vol.18, issue.1, pp.40-47, 2005.

F. Schwab, V. Lafage, A. Patel, and J. Farcy, Sagittal plane considerations and the pelvis in the adult patient, Spine. 1 août, vol.34, issue.17, pp.1828-1861, 2009.

M. C. Battié, T. Videman, and E. Parent, Lumbar disc degeneration: epidemiology and genetic influences, Spine. 1 déc, vol.29, issue.23, pp.2679-90, 2004.

M. C. Battié, T. Videman, J. Kaprio, L. E. Gibbons, K. Gill et al., The Twin Spine Study: contributions to a changing view of disc degeneration, Spine J Off J North Am Spine Soc. févr, vol.9, issue.1, pp.47-59, 2009.

C. Barrey, P. Roussouly, L. Huec, J. , D. 'acunzi et al., Compensatory mechanisms contributing to keep the sagittal balance of the spine, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc. nov, vol.22, issue.6, pp.834-841, 2013.

C. Barrey, J. Jund, O. Noseda, and P. Roussouly, Sagittal balance of the pelvis-spine complex and lumbar degenerative diseases. A comparative study about 85 cases, Eur Spine J. sept, vol.16, issue.9, pp.1459-67, 2007.

P. Roussouly, J. L. Pinheiro-franco, A. Faundez, A. Cogniet, G. Racloz et al., Biomechanical analysis of the spino-pelvic organization and adaptation in pathology, Spondylolisthésis dégénératif lombaire. Httpwwwem-Premiumcomdocelecu-Bordeauxfrdatatraitesap15-63645, vol.20, pp.609-627, 2011.

D. Sur,

J. Pierrepont, G. Hawdon, B. P. Miles, B. O. Connor, J. Baré et al., Variation in functional pelvic tilt in patients undergoing total hip arthroplasty, Bone Jt J. févr, issue.2, pp.184-91, 2017.

A. E. Brodsky, Post-laminectomy and post-fusion stenosis of the lumbar spine, Clin Orthop. avr, issue.115, pp.130-139, 1976.

A. E. Brodsky, R. L. Hendricks, M. A. Khalil, B. V. Darden, and T. T. Brotzman, Segmental (« floating ») lumbar spine fusions, Spine. avr, vol.14, issue.4, pp.447-50, 1989.

J. A. Brunet and J. J. Wiley, Acquired spondylolysis after spinal fusion, J Bone Joint Surg Br, vol.66, issue.5, pp.720-724, 1984.

Y. Aota, K. Kumano, and S. Hirabayashi, Postfusion instability at the adjacent segments after rigid pedicle screw fixation for degenerative lumbar spinal disorders, J Spinal Disord. déc, vol.8, issue.6, pp.464-73, 1995.

F. B. Christensen, K. Thomsen, S. P. Eiskjaer, J. Gelinick, and C. E. Bünger, Functional outcome after posterolateral spinal fusion using pedicle screws: comparison between primary and salvage procedure, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc, vol.7, issue.4, pp.321-328, 1998.

A. Herno, O. Airaksinen, T. Saari, and T. Sihvonen, Surgical results of lumbar spinal stenosis. A comparison of patients with or without previous back surgery, Spine. 15 avr, vol.20, issue.8, pp.964-973, 1995.

A. S. Hilibrand and M. Robbins, Adjacent segment degeneration and adjacent segment disease: the consequences of spinal fusion?, Spine J Off J North Am Spine Soc. déc, vol.4, issue.6, pp.190-194, 2004.

F. K. Ruiz, D. D. Bohl, M. L. Webb, G. S. Russo, and J. N. Grauer, Oswestry Disability Index is a better indicator of lumbar motion than the Visual Analogue Scale, Spine J Off J North Am Spine Soc. 1 sept, vol.14, issue.9, pp.1860-1865, 2014.

M. Werneke, D. Hayes, and D. Deutscher, Clinical utility of the Oswestry Disability Index for measuring the function of patients with low back pain, Spine J. avr, vol.18, issue.4, pp.712-715, 2018.

J. C. Fairbank and P. B. Pynsent, The Oswestry Disability Index, Spine, vol.15, issue.22, pp.2940-52, 2000.

J. E. Ware and C. D. Sherbourne, The MOS 36-item short-form health survey (SF-36). I. Conceptual framework and item selection, Med Care. juin, vol.30, issue.6, pp.473-83, 1992.

M. F. Gornet, A. G. Copay, K. M. Sorensen, and F. W. Schranck, Assessment of health-related quality of life in spine treatment: conversion from SF-36 to VR-12, Spine J Off J North Am Spine Soc. juill, vol.18, issue.7, pp.1292-1299, 2018.

B. Gandek, J. E. Ware, N. K. Aaronson, G. Apolone, J. B. Bjorner et al., Crossvalidation of item selection and scoring for the SF-12 Health Survey in nine countries: results from the IQOLA Project. International Quality of Life Assessment, J Clin Epidemiol, vol.51, issue.11, pp.1171-1179, 1998.

F. Schwab, B. Blondel, E. Chay, J. Demakakos, L. Lenke et al., The comprehensive anatomical spinal osteotomy classification, Neurosurgery. mars, vol.76, 2015.

P. Roussouly and J. L. Pinheiro-franco, Sagittal parameters of the spine: biomechanical approach, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc. sept, vol.20, issue.5, pp.578-85, 2011.

S. D. Glassman, S. Berven, K. Bridwell, W. Horton, and J. R. Dimar, Correlation of radiographic parameters and clinical symptoms in adult scoliosis, Spine. 15 mars, vol.30, issue.6, pp.682-690, 2005.

R. Gao, J. Wu, W. Yuan, C. Yang, F. Pan et al., Modified partial pedicle subtraction osteotomy for the correction of post-traumatic thoracolumbar kyphosis, Spine J Off J North Am Spine Soc. 1 sept, vol.15, issue.9, pp.2009-2024, 2015.

F. J. Schwab, V. A. Smith, M. Biserni, L. Gamez, J. Farcy et al., Adult scoliosis: a quantitative radiographic and clinical analysis, Spine. 15 févr, vol.27, issue.4, pp.387-92, 2002.

G. C. Wiggins, S. L. Ondra, and C. I. Shaffrey, Management of iatrogenic flat-back syndrome, Neurosurg Focus. 15 sept, vol.15, issue.3, p.8, 2003.

H. Hsu, S. S. Yang, and T. Y. Chen, The Correlation Between Restoration of Lumbar Lordosis and Surgical Outcome in the Treatment of Low-grade Lumbar Degenerative Spondylolisthesis With Spinal Fusion, Clin Spine Surg. févr, vol.29, issue.1, pp.16-20, 2016.

C. Rhee, S. Visintini, C. E. Dunning, W. M. Oxner, and R. A. Glennie, Does restoration of focal lumbar lordosis for single level degenerative spondylolisthesis result in better patient-reported clinical outcomes? A systematic literature review, J Clin Neurosci Off J Neurosurg Soc Australas, vol.44, pp.95-100, 2017.

Y. Gussous, A. A. Theologis, J. B. Demb, J. Tangtiphaiboontana, and S. Berven, Correlation Between Lumbopelvic and Sagittal Parameters and Health-Related Quality of Life in Adults With Lumbosacral Spondylolisthesis, Glob Spine J. févr, vol.8, issue.1, pp.17-24, 2018.

P. Park, H. J. Garton, V. C. Gala, J. T. Hoff, and J. E. Mcgillicuddy, Adjacent segment disease after lumbar or lumbosacral fusion: review of the literature, Spine. 1 sept, vol.29, issue.17, pp.1938-1982, 2004.

P. Guigui, P. Lambert, B. Lassale, and A. Deburge,

, Rev Chir Orthop Reparatrice Appar Mot, vol.83, issue.8, pp.685-96, 1997.

K. H. Kim, S. Lee, C. S. Shim, D. Y. Lee, H. S. Park et al., Adjacent segment disease after interbody fusion and pedicle screw fixations for isolated L4-L5 spondylolisthesis: a minimum five-year follow-up, Spine. 15 mars, vol.35, issue.6, pp.625-659, 2010.

D. A. Rothenfluh, D. A. Mueller, E. Rothenfluh, and K. Min, Pelvic incidence-lumbar lordosis mismatch predisposes to adjacent segment disease after lumbar spinal fusion, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc. juin, vol.24, issue.6, pp.1251-1259, 2015.

M. N. Kumar, A. Baklanov, and D. Chopin, Correlation between sagittal plane changes and adjacent segment degeneration following lumbar spine fusion, Eur Spine J Off Publ Eur Spine Soc Eur Spinal Deform Soc Eur Sect Cerv Spine Res Soc. août, vol.10, issue.4, pp.314-323, 2001.