L. Danneels, G. Vanderstraeten, D. Cambier, E. Witvrouw, D. Cuyper et al., CT imaging of trunk muscles in chronic low back pain patients and healthy control subjects, European Spine Journal, vol.9, issue.4
DOI : 10.1007/s005860000190

A. Delmas, Types rachidiens de statique corporelle Revue de morphologie humaine, pp.27-32, 1951.

J. Descrimes, C. Aubin, W. Skalli, R. Zeller, J. Dansereau et al., Introduction des facettes articulaires dans une modélisation par éléments finis de la colonne vertébrale et du thorax scoliotique : aspects mécaniques, Rachis, vol.7, pp.301-315, 1995.

G. Dumas, M. Poulin, R. B. Gagnon, M. Jovanovic, and M. , Orientation and Moment Arms of Some Trunk Muscles, SPINE, vol.16, issue.3, pp.293-303, 1991.
DOI : 10.1097/00007632-199103000-00007

R. Peshock, Lumbar muscle usage in chronic low back pain. Magnetic resonance image evaluation, Spine, vol.18, pp.582-588, 1993.

W. Frontera, C. Meredith, O. Reilly, K. Knuttgen, H. Evans et al., Strength Conditioning in Older Men, Journal of Cardiopulmonary Rehabilitation, vol.8, issue.6, pp.1038-1082, 1988.
DOI : 10.1097/00008483-198806000-00005

R. Gejo, H. Matsui, Y. Kawaguchi, H. Ishihara, and H. Tsuji, Serial Changes in Trunk Muscle Performance After Posterior Lumbar Surgery, Spine, vol.24, issue.10, pp.1023-1031, 1999.
DOI : 10.1097/00007632-199905150-00017

D. Gelb, L. Lenke, K. Bridwell, K. Blanke, M. Enery et al., An Analysis of Sagittal Spinal Alignment in 100 Asymptomatic Middle and Older Aged Volunteers, Spine, vol.20, issue.12, pp.1351-1359, 1995.
DOI : 10.1097/00007632-199520120-00005

V. Goel, W. Kong, J. Han, J. Weinstein, and L. Gilbertson, A Combined Finite Element and Optimization Investigation of Lumbar Spine Mechanics With and Without Muscles, Spine, vol.18, issue.11, pp.1531-1572, 1993.
DOI : 10.1097/00007632-199318110-00019

S. Gracovetsky, A. Marriott, M. Richards, N. Newman, and S. Asselin, The impact of inefficient clinical diagnosis on the cost of managing low back pain, Journal of Healthcare Risk Management, vol.6, issue.2, pp.21-31, 1997.
DOI : 10.1002/jhrm.5600170305

K. Granata and S. Wilson, Trunk posture and spinal stability, Clinical Biomechanics, vol.16, issue.8, pp.650-659, 2001.
DOI : 10.1016/S0268-0033(01)00064-X

P. Guigui, P. Lambert, B. Lassale, and A. Deburge, Long-term outcome at adjacent levels of lumbar arthrodesis, Rev Chir Orthop Reparatrice Appar Mot, vol.83, pp.685-96, 1997.

A. Keller, R. Gunderson, O. Reikeras, and J. Brox, Reliability of Computed Tomography Measurements of Paraspinal Muscle Cross-Sectional Area and Density in Patients With Chronic Low Back Pain, Spine, vol.28, issue.13, pp.1455-60, 2003.
DOI : 10.1097/01.BRS.0000067094.55003.AD

J. Kent-braun, A. Ng, and K. Young, Skeletal muscle contractile and noncontractile components in young and older women and men, J Appl Physiol, vol.88, pp.662-670, 2000.

H. Kim, S. Chung, S. Kim, H. Shin, J. Lee et al., Influences of trunk muscles on lumbar lordosis and sacral angle, European Spine Journal, vol.76, issue.3, pp.409-423, 2006.
DOI : 10.1007/s00586-005-0976-5

D. Kim, S. Lee, S. Chung, and H. Lee, Comparison of Multifidus Muscle Atrophy and Trunk Extension Muscle Strength, Spine, vol.30, issue.1
DOI : 10.1097/01.brs.0000148999.21492.53

W. Koubaa, T. Defives, M. Pierunek, J. Simonet, W. Skalli et al., Modélisation tridimensionnelle par éléments finis de la jonction thoraco-lombaire, Rachis, vol.7, pp.181-96, 1995.

A. Lamminen, J. Tanttu, R. Sepponen, I. Suramo, and H. Pihko, measurement and chemical shift imaging, The British Journal of Radiology, vol.63, issue.752, pp.591-597, 1990.
DOI : 10.1259/0007-1285-63-752-591

F. Lavaste, W. Skalli, R. S. Roy-camille, R. Mazel, and C. , Three-dimensional geometrical and mechanical modelling of the lumbar spine, Journal of Biomechanics, vol.25, issue.10, pp.1153-64, 1992.
DOI : 10.1016/0021-9290(92)90071-8

J. Legaye, G. Duval-beaupère, J. Hecquet, and C. Marty, Pelvic incidence: a fundamental pelvic parameter for three-dimensional regulation of spinal sagittal curves, European Spine Journal, vol.7, issue.2, pp.99-103, 1998.
DOI : 10.1007/s005860050038

J. Macintosh and N. Bogduk, The Attachments of the Lumbar Erector Spinae, Spine, vol.16, issue.7, pp.783-92, 1991.
DOI : 10.1097/00007632-199107000-00017

W. Marras, K. Davis, S. Ferguson, B. Lucas, and P. Gupta, Spine Loading Characteristics of Patients With Low Back Pain Compared With Asymptomatic Individuals, Spine, vol.26, issue.23
DOI : 10.1097/00007632-200112010-00009

W. Marras and K. Granata, Spine loading during trunk lateral bending motions, Journal of Biomechanics, vol.30, issue.7
DOI : 10.1016/S0021-9290(97)00010-9

T. Zander, A. Rohlmann, J. Calisse, and G. Bergmann, Estimation of muscle forces in the lumbar spine during upper-body inclination, Clinical Biomechanics, vol.16, issue.1, pp.73-80, 2001.
DOI : 10.1016/S0268-0033(00)00108-X

O. Airaksinen, A. Herno, E. Kaukanen, T. Saari, T. Sihvonen et al., Density of lumbar muscles 4 years after decompressive spinal surgery, European Spine Journal, vol.8, issue.3, pp.193-200, 1996.
DOI : 10.1007/BF00395513

K. Barker, D. Shamley, and D. Jackson, Changes in the Cross-Sectional Area of Multifidus and Psoas in Patients With Unilateral Back Pain, Spine, vol.29, issue.22, pp.515-524, 2004.
DOI : 10.1097/01.brs.0000144405.11661.eb

R. Beneke, J. Neuerburg, and K. Bohndorf, Muscle cross-section measurement by magnetic resonance imaging, European Journal of Applied Physiology and Occupational Physiology, vol.14, issue.6, pp.424-433, 1991.
DOI : 10.1007/BF00868073

R. Cooper, S. C. Forbes, W. Jayson, and M. , RADIOGRAPHIC DEMONSTRATION OF PARASPINAL MUSCLE WASTING IN PATIENTS WITH CHRONIC LOW BACK PAIN, Rheumatology, vol.31, issue.6, pp.389-94, 1992.
DOI : 10.1093/rheumatology/31.6.389

T. Dangaria and O. Naesh, Changes in Cross-Sectional Area of Psoas Major Muscle in Unilateral Sciatica Caused by Disc Herniation, Spine, vol.23, issue.8, pp.928-959, 1998.
DOI : 10.1097/00007632-199804150-00016

L. Danneels, G. Vanderstraeten, D. Cambier, E. Witvrouw, D. Cuyper et al., CT imaging of trunk muscles in chronic low back pain patients and healthy control subjects, European Spine Journal, vol.9, issue.4
DOI : 10.1007/s005860000190

C. Engstrom, G. Loeb, J. Reid, W. Forrest, and L. Avruch, Morphometry of the human thigh muscles. A comparison between anatomical sections and computer tomographic and magnetic resonance images, J Anat, vol.176, pp.139-56, 1991.

R. Peshock, Lumbar muscle usage in chronic low back pain. Magnetic resonance image evaluation, Spine, vol.18, pp.582-588, 1993.

W. Frontera, C. Meredith, O. Reilly, K. Knuttgen, H. Evans et al., Strength Conditioning in Older Men, Journal of Cardiopulmonary Rehabilitation, vol.8, issue.6, pp.1038-1082, 1988.
DOI : 10.1097/00008483-198806000-00005

T. Fukunaga, R. Roy, F. Shellock, J. Hodgson, M. Day et al., Physiological cross-sectional area of human leg muscles based on magnetic resonance imaging, Journal of Orthopaedic Research, vol.19, issue.6, pp.928-962, 1992.
DOI : 10.1002/jor.1100100623

R. Gejo, H. Matsui, Y. Kawaguchi, H. Ishihara, and H. Tsuji, Serial Changes in Trunk Muscle Performance After Posterior Lumbar Surgery, Spine, vol.24, issue.10, pp.1023-1031, 1999.
DOI : 10.1097/00007632-199905150-00017

Y. Kawaguchi, H. Matsui, and H. Tsuji, Back Muscle Injury After Posterior Lumbar Spine Surgery, Spine, vol.21, issue.8, pp.941-945, 1996.
DOI : 10.1097/00007632-199604150-00007

Y. Kawaguchi, H. Matsui, and H. Tsuji, Back Muscle Injury After Posterior Lumbar Spine Surgery, SPINE, vol.19, issue.Supplement, pp.2598-602, 1994.
DOI : 10.1097/00007632-199411001-00018

H. Taylor, A. Mcgregor, S. Medhi-zadeh, S. Richards, N. Kahn et al., The Impact of Self-Retaining Retractors on the Paraspinal Muscles During Posterior Spinal Surgery, Spine, vol.27, issue.24, pp.2758-62, 2002.
DOI : 10.1097/00007632-200212150-00004

B. Weber, D. Grob, J. Dvorak, and M. Muntener, Posterior Surgical Approach to the Lumbar Spine and Its Effect on the Multifidus Muscle, Spine, vol.22, issue.15, pp.1765-72, 1997.
DOI : 10.1097/00007632-199708010-00017

R. Peshock, Lumbar muscle usage in chronic low back pain. Magnetic resonance image evaluation, Spine, vol.18, pp.582-588, 1993.

R. Gejo, H. Matsui, Y. Kawaguchi, H. Ishihara, and H. Tsuji, Serial Changes in Trunk Muscle Performance After Posterior Lumbar Surgery, Spine, vol.24, issue.10, pp.1023-1031, 1999.
DOI : 10.1097/00007632-199905150-00017

D. Kim, S. Lee, S. Chung, and H. Lee, Comparison of Multifidus Muscle Atrophy and Trunk Extension Muscle Strength, Spine, vol.30, issue.1
DOI : 10.1097/01.brs.0000148999.21492.53

A. Humphrey, A. Nargol, A. Jones, A. Ratcliffe, and C. Greenough, The value of electromyography of the lumbar paraspinal muscles in discriminating between chronic-low-back-pain sufferers and normal subjects, European Spine Journal, vol.20, issue.2, pp.175-84, 2005.
DOI : 10.1007/s00586-004-0792-3

J. Peltonen, S. Taimela, M. Erkintalo, J. Salminen, A. Oksanen et al., Back extensor and psoas muscle cross-sectional area, prior physical training, and trunk muscle strength ? a longitudinal study in adolescent girls, European Journal of Applied Physiology, vol.77, issue.1-2, pp.66-71, 1998.
DOI : 10.1007/s004210050301

G. Hultman, M. Nordin, H. Saraste, and H. Ohlsen, Body composition, endurance, strength, cross-sectional area, and density of MM erector spinae in men with and without low back pain, J Spinal Disord, vol.6, pp.114-137, 1993.

K. Storheim, I. Holm, R. Gunderson, J. Brox, and K. Bo, The Effect of Comprehensive Group Training on Cross-sectional Area, Density, and Strength of Paraspinal Muscles in Patients Sick-Listed for Subacute Low Back Pain, Journal of Spinal Disorders & Techniques, vol.16, issue.3, pp.271-280, 2003.
DOI : 10.1097/00024720-200306000-00008

L. Danneels, G. Vanderstraeten, D. Cambier, E. Witvrouw, D. Cuyper et al., CT imaging of trunk muscles in chronic low back pain patients and healthy control subjects, European Spine Journal, vol.9, issue.4
DOI : 10.1007/s005860000190

A. Keller, R. Gunderson, O. Reikeras, and J. Brox, Reliability of Computed Tomography Measurements of Paraspinal Muscle Cross-Sectional Area and Density in Patients With Chronic Low Back Pain, Spine, vol.28, issue.13, pp.1455-60, 2003.
DOI : 10.1097/01.BRS.0000067094.55003.AD

A. Terry, Comparison of CT scan muscle measurements and isokinetic trunk strength in postoperative patients, Spine, vol.14, pp.33-39, 1989.

K. Barker, D. Shamley, and D. Jackson, Changes in the Cross-Sectional Area of Multifidus and Psoas in Patients With Unilateral Back Pain, Spine, vol.29, issue.22, pp.515-524, 2004.
DOI : 10.1097/01.brs.0000144405.11661.eb

R. Parkkola, U. Rytokoski, and M. Kormano, Magnetic Resonance Imaging of the Discs and Trunk Muscles in patients with Chronic Low Back Pain and Healthy Control Subjects, Spine, vol.18, issue.7
DOI : 10.1097/00007632-199306000-00004

T. Dangaria and O. Naesh, Changes in Cross-Sectional Area of Psoas Major Muscle in Unilateral Sciatica Caused by Disc Herniation, Spine, vol.23, issue.8, pp.928-959, 1998.
DOI : 10.1097/00007632-199804150-00016

R. Savage, R. Millerchip, G. Whitehouse, and R. Edwards, Lumbar muscularity and its relationship with age, occupation and low back pain, European Journal of Applied Physiology and Occupational Physiology, vol.15, issue.3-4, pp.265-273, 1991.
DOI : 10.1007/BF00233859

O. Airaksinen, A. Herno, E. Kaukanen, T. Saari, T. Sihvonen et al., Density of lumbar muscles 4 years after decompressive spinal surgery, European Spine Journal, vol.8, issue.3, pp.193-200, 1996.
DOI : 10.1007/BF00395513

J. Salminen, M. Erkintalo-tertti, and H. Paajanen, Magnetic Resonance Imaging Findings of Lumbar Spine in the Young, Journal of Spinal Disorders, vol.6, issue.5, pp.386-91, 1993.
DOI : 10.1097/00002517-199306050-00003

A. Holmback, K. Askaner, S. Holtas, D. Downham, and J. Lexell, Assessment of contractile and noncontractile components in human skeletal muscle by magnetic resonance imaging, Muscle & Nerve, vol.86, issue.2, pp.251-259, 2002.
DOI : 10.1002/mus.10031

J. Kent-braun, A. Ng, and K. Young, Skeletal muscle contractile and noncontractile components in young and older women and men, J Appl Physiol, vol.88, pp.662-670, 2000.

O. Gille, I. Obeid, C. Degrise, P. Guerin, W. Skalli et al., The Use of Curare During Anesthesia to Prevent Iatrogenic Muscle Damage Caused by Lumbar Spinal Surgery Through a Posterior Approach, Spine, vol.32, issue.4
DOI : 10.1097/01.brs.0000255077.54766.59

M. Laxenaire, Neuromuscular blocking drugs and allergic risk, Canadian Journal of Anesthesia/Journal canadien d'anesth??sie, vol.45, issue.1, pp.429-462, 2003.
DOI : 10.1007/BF03021051

C. F. Swinhoe, J. E. Peacock, and C. Reilly, S.-Evaluation of the predictive performance of target-controlled infusion system for the administration of propofol, Br. J . Anaesth, pp.74-276, 1995.

P. Loan, L. Paxton, R. Mirakhur, F. Connolly, and E. Mccoy, The TOF-Guard neuromuscular transmission monitor. A comparison with the Myograph, 2000.

V. Billard and I. Constant, Analyse automatique de l????lectroenc??phalogramme??: quel int??r??t en l??an 2000 dans le monitorage de la profondeur de l??anesth??sie???, Annales Fran??aises d'Anesth??sie et de R??animation, vol.20, issue.9, pp.763-85, 2001.
DOI : 10.1016/S0750-7658(01)00484-1

G. Paturet, Treaty of Human Anatomy. Tome 1. Osteology, arthrology and myology

Y. Kawaguchi, H. Matsui, and H. Tsuji, Back Muscle Injury After Posterior Lumbar Spine Surgery, SPINE, vol.19, issue.Supplement, pp.2590-2597, 1994.
DOI : 10.1097/00007632-199411001-00017

K. Ogata and L. Whiteside, Effects of External Compression on Blood Flow to Muscle and Skin, Clinical Orthopaedics and Related Research, vol.&NA;, issue.168, pp.105-112, 1982.
DOI : 10.1097/00003086-198208000-00020

O. Airaksinen, A. Herno, E. Kaukanen, T. Saari, T. Sihvonen et al., Density of lumbar muscles 4 years after decompressive spinal surgery, European Spine Journal, vol.8, issue.3, pp.193-200, 1996.
DOI : 10.1007/BF00395513

K. Barker, D. Shamley, and D. Jackson, Changes in the Cross-Sectional Area of Multifidus and Psoas in Patients With Unilateral Back Pain, Spine, vol.29, issue.22, pp.515-524, 2004.
DOI : 10.1097/01.brs.0000144405.11661.eb

G. Hultman, M. Nordin, H. Saraste, and H. Ohlsen, Body composition, endurance, strength, cross-sectional area, and density of MM erector spinae in men with and without low back pain, J Spinal Disord, vol.6, pp.114-137, 1993.

R. Parkkola, U. Rytokoski, and M. Kormano, Magnetic Resonance Imaging of the Discs and Trunk Muscles in patients with Chronic Low Back Pain and Healthy Control Subjects, Spine, vol.18, issue.7
DOI : 10.1097/00007632-199306000-00004

J. Salminen, M. Erkintalo-tertti, and H. Paajanen, Magnetic Resonance Imaging Findings of Lumbar Spine in the Young, Journal of Spinal Disorders, vol.6, issue.5, pp.386-91, 1993.
DOI : 10.1097/00002517-199306050-00003

R. Gejo, H. Matsui, Y. Kawaguchi, H. Ishihara, and H. Tsuji, Serial Changes in Trunk Muscle Performance After Posterior Lumbar Surgery, Spine, vol.24, issue.10, pp.1023-1031, 1999.
DOI : 10.1097/00007632-199905150-00017

T. Mayer, H. Vanharanta, R. Gatchel, V. Mooney, D. Barnes et al., Comparison of CT Scan Muscle Measurements and Isokinetic Trunk Strength in Postoperative Patients, Spine, vol.14, issue.1, pp.33-39, 1989.
DOI : 10.1097/00007632-198901000-00006

Y. Kawaguchi, H. Matsui, and H. Tsuji, Back Muscle Injury After Posterior Lumbar Spine Surgery, Spine, vol.21, issue.8, pp.941-945, 1996.
DOI : 10.1097/00007632-199604150-00007

Y. Kawaguchi, H. Matsui, and H. Tsuji, Back Muscle Injury After Posterior Lumbar Spine Surgery, SPINE, vol.19, issue.Supplement, pp.2590-2597, 1994.
DOI : 10.1097/00007632-199411001-00017

Y. Kawaguchi, H. Matsui, and H. Tsuji, Back Muscle Injury After Posterior Lumbar Spine Surgery, SPINE, vol.19, issue.Supplement, pp.2598-602, 1994.
DOI : 10.1097/00007632-199411001-00018

H. Taylor, A. Mcgregor, S. Medhi-zadeh, S. Richards, N. Kahn et al., The Impact of Self-Retaining Retractors on the Paraspinal Muscles During Posterior Spinal Surgery, Spine, vol.27, issue.24, pp.2758-62, 2002.
DOI : 10.1097/00007632-200212150-00004

B. Weber, D. Grob, J. Dvorak, and M. Muntener, Posterior Surgical Approach to the Lumbar Spine and Its Effect on the Multifidus Muscle, Spine, vol.22, issue.15, pp.1765-72, 1997.
DOI : 10.1097/00007632-199708010-00017

D. Kim, S. Lee, S. Chung, and H. Lee, Comparison of Multifidus Muscle Atrophy and Trunk Extension Muscle Strength, Spine, vol.30, issue.1
DOI : 10.1097/01.brs.0000148999.21492.53

J. Styf and J. Willen, The Effects of External Compression by Three Different Retractors on Pressure in the Erector Spine Muscles During and After Posterior Lumbar Spine Surgery in Humans, Spine, vol.23, issue.3, pp.354-362, 1998.
DOI : 10.1097/00007632-199802010-00014

Y. Kawaguchi, S. Yabuki, J. Styf, K. Olmarker, B. Rydevik et al., Back Muscle Injury After Posterior Lumbar Spine Surgery, Spine, vol.21, issue.22, pp.2683-2691, 1996.
DOI : 10.1097/00007632-199611150-00019

M. Laxenaire, Neuromuscular blocking drugs and allergic risk, Canadian Journal of Anesthesia/Journal canadien d'anesth??sie, vol.45, issue.1, pp.429-462, 2003.
DOI : 10.1007/BF03021051

C. F. Swinhoe, J. E. Peacock, and C. Reilly, S.-Evaluation of the predictive performance of target-controlled infusion system for the administration of propofol, Br. J . Anaesth, pp.74-276, 1995.

P. Loan, L. Paxton, R. Mirakhur, F. Connolly, and E. Mccoy, The TOF-Guard neuromuscular transmission monitor. A comparison with the Myograph, 2000.

V. Billard and I. Constant, Analyse automatique de l????lectroenc??phalogramme??: quel int??r??t en l??an 2000 dans le monitorage de la profondeur de l??anesth??sie???, Annales Fran??aises d'Anesth??sie et de R??animation, vol.20, issue.9, pp.763-85, 2001.
DOI : 10.1016/S0750-7658(01)00484-1

A. Mcgregor and S. Hughes, Back pain and disability after lumbar laminectomy: is there a relationship to muscle retraction?, Neurosurgery, vol.54, issue.1420, pp.1413-1433, 2004.

S. Tsung, Creatine kinase isoenzyme patterns in human tissue obtained at surgery

Y. Kawaguchi, H. Matsui, and H. Tsuji, Changes in Serum Creatine Phosphokinase MM Isoenzyme After Lumbar Spine Surgery, Spine, vol.22, issue.9, pp.1018-1041, 1997.
DOI : 10.1097/00007632-199705010-00015

K. Ogata and L. Whiteside, Effects of External Compression on Blood Flow to Muscle and Skin, Clinical Orthopaedics and Related Research, vol.&NA;, issue.168, pp.105-112, 1982.
DOI : 10.1097/00003086-198208000-00020

Y. Kawaguchi, H. Matsui, R. Gejo, and H. Tsuji, Preventive Measures of Back Muscle Injury After Posterior Lumbar Spine Surgery in Rats, Spine, vol.23, issue.21, pp.2282-2289, 1998.
DOI : 10.1097/00007632-199811010-00006

P. Stagnara, Les déformations du rachis, 1984.

C. Boulay, C. Tardieu, J. Hecquet, C. Benaim, B. Mouilleseaux et al., Sagittal alignment of spine and pelvis regulated by pelvic incidence: standard values and prediction of lordosis, European Spine Journal, vol.44, issue.A, pp.415-437, 2006.
DOI : 10.1007/s00586-005-0984-5

J. Legaye, G. Duval-beaupère, J. Hecquet, and C. Marty, Pelvic incidence: a fundamental pelvic parameter for three-dimensional regulation of spinal sagittal curves, European Spine Journal, vol.7, issue.2, pp.99-103, 1998.
DOI : 10.1007/s005860050038

P. Roussouly, S. Gollogly, E. Berthonnaud, and J. Dimnet, Classification of the Normal Variation in the Sagittal Alignment of the Human Lumbar Spine and Pelvis in the Standing Position, Spine, vol.30, issue.3, pp.346-53, 2005.
DOI : 10.1097/01.brs.0000152379.54463.65

M. Jorgensen, W. Marras, and P. Gupta, Cross-sectional area of the lumbar back muscles as a function of torso flexion, Clinical Biomechanics, vol.18, issue.4, pp.280-286, 2003.
DOI : 10.1016/S0268-0033(03)00027-5

W. Marras, M. Jorgensen, K. Granata, and B. Wiand, Female and male trunk geometry: size and prediction of the spine loading trunk muscles derived from MRI, Clinical Biomechanics, vol.16, issue.1, pp.38-46, 2001.
DOI : 10.1016/S0268-0033(00)00046-2

H. Kim, S. Chung, S. Kim, H. Shin, J. Lee et al., Influences of trunk muscles on lumbar lordosis and sacral angle, European Spine Journal, vol.76, issue.3, pp.409-423, 2006.
DOI : 10.1007/s00586-005-0976-5

S. Champain, K. Benchikh, A. Nogier, C. Mazel, J. Guise et al., Validation of new clinical quantitative analysis software applicable in spine orthopaedic studies, European Spine Journal, vol.210, issue.1, pp.982-91, 2006.
DOI : 10.1007/s00586-005-0927-1

K. Barker, D. Shamley, and D. Jackson, Changes in the Cross-Sectional Area of Multifidus and Psoas in Patients With Unilateral Back Pain, Spine, vol.29, issue.22, pp.515-524, 2004.
DOI : 10.1097/01.brs.0000144405.11661.eb

T. Dangaria and O. Naesh, Changes in Cross-Sectional Area of Psoas Major Muscle in Unilateral Sciatica Caused by Disc Herniation, Spine, vol.23, issue.8, pp.928-959, 1998.
DOI : 10.1097/00007632-199804150-00016

D. Kim, S. Lee, S. Chung, and H. Lee, Comparison of Multifidus Muscle Atrophy and Trunk Extension Muscle Strength, Spine, vol.30, issue.1
DOI : 10.1097/01.brs.0000148999.21492.53

R. Parkkola, U. Rytokoski, and M. Kormano, Magnetic Resonance Imaging of the Discs and Trunk Muscles in patients with Chronic Low Back Pain and Healthy Control Subjects, Spine, vol.18, issue.7
DOI : 10.1097/00007632-199306000-00004

J. Peltonen, S. Taimela, M. Erkintalo, J. Salminen, A. Oksanen et al., Back extensor and psoas muscle cross-sectional area, prior physical training, and trunk muscle strength ? a longitudinal study in adolescent girls, European Journal of Applied Physiology, vol.77, issue.1-2, pp.66-71, 1998.
DOI : 10.1007/s004210050301

R. Savage, R. Millerchip, G. Whitehouse, and R. Edwards, Lumbar muscularity and its relationship with age, occupation and low back pain, European Journal of Applied Physiology and Occupational Physiology, vol.15, issue.3-4, pp.265-273, 1991.
DOI : 10.1007/BF00233859

R. Gejo, H. Matsui, Y. Kawaguchi, H. Ishihara, and H. Tsuji, Serial Changes in Trunk Muscle Performance After Posterior Lumbar Surgery, Spine, vol.24, issue.10, pp.1023-1031, 1999.
DOI : 10.1097/00007632-199905150-00017

R. Peshock, Lumbar muscle usage in chronic low back pain. Magnetic resonance image evaluation, Spine, vol.18, pp.582-588, 1993.

J. Salminen, M. Erkintalo-tertti, and H. Paajanen, Magnetic Resonance Imaging Findings of Lumbar Spine in the Young, Journal of Spinal Disorders, vol.6, issue.5, pp.386-91, 1993.
DOI : 10.1097/00002517-199306050-00003

A. Keller, R. Gunderson, O. Reikeras, and J. Brox, Reliability of Computed Tomography Measurements of Paraspinal Muscle Cross-Sectional Area and Density in Patients With Chronic Low Back Pain, Spine, vol.28, issue.13, pp.1455-60, 2003.
DOI : 10.1097/01.BRS.0000067094.55003.AD

O. Airaksinen, A. Herno, E. Kaukanen, T. Saari, T. Sihvonen et al., Density of lumbar muscles 4 years after decompressive spinal surgery, European Spine Journal, vol.8, issue.3, pp.193-200, 1996.
DOI : 10.1007/BF00395513

A. Keller, J. Johansen, J. Hellesnes, and J. Brox, Predictors of Isokinetic Back Muscle Strength in Patients With Low Back Pain, Spine, vol.24, issue.3, pp.275-80, 1999.
DOI : 10.1097/00007632-199902010-00016

A. Holmback, K. Askaner, S. Holtas, D. Downham, and J. Lexell, Assessment of contractile and noncontractile components in human skeletal muscle by magnetic resonance imaging, Muscle & Nerve, vol.86, issue.2, pp.251-259, 2002.
DOI : 10.1002/mus.10031

J. Kent-braun, A. Ng, and K. Young, Skeletal muscle contractile and noncontractile components in young and older women and men, J Appl Physiol, vol.88, pp.662-670, 2000.

A. Keller, J. Brox, R. Gunderson, I. Holm, A. Friis et al., Trunk Muscle Strength, Cross-sectional Area, and Density in Patients With Chronic Low Back Pain Randomized to Lumbar Fusion or Cognitive Intervention and Exercises, Spine, vol.29, issue.1, pp.3-8, 2003.
DOI : 10.1097/01.BRS.0000103946.26548.EB