Hospital del Trabajador, Santiago, Chile
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Hospital del Trabajador, Santiago, Chile
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Hospital Roberto del Río, Santiago, Chile
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balance (SB), where the forces exerted are evenly distributed. Sagittal alteration or imbalance (SI) of these curves conditions the requirement of additional forces to counteract this imbalance in order to maintain an upright posture. This can be
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coronal and sagittal balance. The osteotomy sites are shown with black arrows. e) Intra-operative view of an asymmetric T10 pedicle subtraction osteotomy and instrumentation. Spinal cord and osteotomy site are shown with black arrows. SC, spinal cord; PSO
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arthroplasty) is of importance to improve outcomes. Spinal surgeons should be cognizant that a change in the sagittal profile/balance will change the functional component orientation of the pelvis/acetabulum and may lead to instability ( 13 , 14 ). Furthermore
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physiological sagittal profile and muscle balance, and improve the patient’s quality of life. 5 , 6 Alignment is a static concept that refers to the positioning of the skeleton and the different skeletal elements when measured in a fixed image, e.g. as in
South West London Elective Orthopaedic Centre, UK
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estimate the potential sagittal pelvic range of motion (ROM). 6 Definition of an individual’s sagittal balance through the assessment of these spino-pelvic parameters on standing spino-pelvic lateral images is best achieved with the EOS® imaging system
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: lower pelvic incidence, lumbar lordosis adapted to pelvic incidence, no pelvic retroversion, C7 in balance behind sacrum). Consequently, position and length of fusion are linked to global sagittal alignment and its main parameters: pelvic
Orthopaedic Department, University General Hospital of Larissa, Greece
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variability. 8 – 10 During TKA we do not really know whether the native knee balance is a reliable guide for TKA balance and normal contralateral knees are seldom available. One can argue that all the various tissues in an arthritic knee (cartilage
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. Lazennec JY Brusson A Rousseau MA . Hip-spine relations and sagittal balance clinical consequences . Eur Spine J 2011 ; 20 ( suppl 5 ): 686 - 98 . 65. Lazennec JY Brusson A Rousseau MA . Lumbar
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discrepancies in the length of rays, such as a short first ray or relatively longer lesser metatarsal, can result in transfer metatarsalgia to the lesser rays, hence showing the importance of alignment in the sagittal plane. Morton described in several of his
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native human knee, some of the design philosophies in TKA, its effect on kinematics of the knee and clinical outcome. We set out to answer the following questions: Does sagittal femoral radius of curvature affect kinematics and outcome in TKA
