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https://www.readbyqxmd.com/read/29185112/prospective-multi-centric-evaluation-of-upper-cervical-and-infra-cervical-sagittal-compensatory-alignment-in-patients-with-adult-cervical-deformity
#1
Subaraman Ramchandran, Themistocles S Protopsaltis, Daniel Sciubba, Justin K Scheer, Cyrus M Jalai, Alan Daniels, Peter G Passias, Virginie Lafage, Han Jo Kim, Gregory Mundis, Eric Klineberg, Robert A Hart, Justin S Smith, Christopher Shaffrey, Christopher P Ames
PURPOSE: Reciprocal mechanisms for standing alignment have been described in thoraco-lumbar deformity but have not been studied in patients with primary cervical deformity (CD). The purpose of this study is to report upper- and infra-cervical sagittal compensatory mechanisms in patients with CD and evaluate their changes post-operatively. METHODS: Global spinal alignment was studied in a prospective database of operative CD patients. Inclusion criteria were any of the following: cervical kyphosis (CK) > 10°, cervical scoliosis > 10°, cSVA (C2-C7 Sagittal vertical axis) > 4 cm or CBVA (Chin Brow Vertical Angle) > 25°...
November 28, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29093788/normal-age-adjusted-sagittal-spinal-alignment-is-achieved-with-surgical-correction-in-adolescent-idiopathic-scoliosis
#2
Subaraman Ramchandran, Norah Foster, Akhila Sure, Thomas J Errico, Aaron J Buckland
Study Design: Retrospective analysis. Purpose: Our hypothesis is that the surgical correction of adolescent idiopathic scoliosis (AIS) maintains normal sagittal alignment as compared to age-matched normative adolescent population. Overview of Literature: Sagittal spino-pelvic alignment in AIS has been reported, however, whether corrective spinal fusion surgery re-establishes normal alignment remains unverified. Methods: Sagittal profiles and spino-pelvic parameters of thirty-eight postsurgical correction AIS patients ≤21 years old without prior fusion from a single institution database were compared to previously published normative age-matched data...
October 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28764702/characterisation-of-the-correlation-between-standing-lordosis-and-degenerative-joint-disease-in-the-lower-lumbar-spine-in-women-and-men-a-radiographic-study
#3
Kelvin J Murray, Michael R Le Grande, Arantxa Ortega de Mues, Michael F Azari
BACKGROUND: Degenerative joint disease (DJD) in the lumbar spine is a common condition that is associated with chronic low back pain. Excessive loading of lumbar joints is a risk factor for DJD. Changes in lumbar lordosis significantly redistribute the forces of weight-bearing on the facet joints and the intervertebral discs. However, the relationship between lumbar lordosis and DJD has not been characterized in men and women. METHODS: We characterised the correlation between standing lumbar lordosis and DJD in standing radiographic images from 301 adult female and male chiropractic patients...
August 1, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28371661/applying-an-active-lumbopelvic-control-strategy-during-lumbar-extension-exercises-effect-on-muscle-recruitment-patterns-of-the-lumbopelvic-region
#4
Jessica Van Oosterwijck, Eline De Ridder, Andry Vleeming, Guy Vanderstraeten, Stijn Schouppe, Lieven Danneels
OBJECTIVE: Examine whether implementing an active lumbopelvic control strategy during high load prone lumbar extension exercises affects posterior extensor chain recruitment and lumbopelvic kinematics. METHODS: Thirteen healthy adults acquired an optimal active lumbopelvic control strategy during guided/home-based training sessions. During the experimental session electromyography was used to evaluate the activity of the posterior extensor chain muscles during high load trunk/bilateral leg extension exercises with/without application of the strategy...
August 2017: Human Movement Science
https://www.readbyqxmd.com/read/27785478/outcome-of-intensive-outpatient-rehabilitation-and-bracing-in-an-adult-patient-with-scheuermann-s-disease-evaluated-by-radiologic-imaging-a-case-report
#5
Hagit Berdishevsky
BACKGROUND: No studies examine the efficacy of intensive specific physical therapy (PT) exercises along with brace for the adult with Scheuermann's kyphosis (SK). The aim of this study was to examine the effects of intensive PT based on the Barcelona Scoliosis Physical Therapy School (BSPTS) and SpinoMed brace on a 76-year-old female with SK. CASE DESCRIPTION: A 76-year-old female, diagnosed with SK as an adolescent, presented in October 2014 with thoracic hyperkyphosis T1 to T12 Cobb angle of 85° and lumbar hyper lordosis L1 to L5 Cobb angle of 70°...
2016: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/27448498/effects-of-inter-individual-lumbar-spine-geometry-variation-on-load-sharing-geometrically-personalized-finite-element-study
#6
Sadegh Naserkhaki, Jacob L Jaremko, Marwan El-Rich
There is a large, at times contradictory, body of research relating spinal curvature to Low Back Pain (LBP). Mechanical load is considered as important factor in LBP etiology. Geometry of the spinal structures and sagittal curvature of the lumbar spine govern its mechanical behavior. Thus, understanding how inter-individual geometry particularly sagittal curvature variation affects the spinal load-sharing becomes of high importance in LBP assessment. This study calculated and compared kinematics and load-sharing in three ligamentous lumbosacral spines: one hypo-lordotic (Hypo-L) with low lordosis, one normal-lordotic (Norm-L) with normal lordosis, and one hyper-lordotic (Hyper-L) with high lordosis in flexed and extended postures using 3D nonlinear Finite Element (FE) modeling...
September 6, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/25627068/topping-off-technique-prevents-aggravation-of-degeneration-of-adjacent-segment-fusion-revealed-by-retrospective-and-finite-element-biomechanical-analysis
#7
COMPARATIVE STUDY
Zhenqi Zhu, Chenjun Liu, Kaifeng Wang, Jian Zhou, Jiefu Wang, Yi Zhu, Haiying Liu
AIM: The aim of this study was to evaluate the effect of the Topping-off technique in preventing the aggravation of degeneration caused by adjacent segment fusion. METHODS: Clinical parameters of patients who underwent L5-S1 posterior lumbar interbody fusion + interspinous process at L4-L5 (PLIF + ISP) with the Wallis system (Topping-off group) were compared retrospectively with those of patients who underwent solely PLIF. Pre- and post-operative x-ray measurements, visual analogue scale (VAS) scores, and Japanese Orthopaedic Association (JOA) scores were assessed in all subjects...
2015: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/25328789/measurement-of-lumbosacral-angle-in-normal-radiographs-a-retrospective-study-in-southeast-nigeria
#8
Fo Okpala
BACKGROUND: A retrospective study of lumbosacral angle (LSA) in normal lateral supine lumbosacral radiographs of 274 Nigerians (aged 15-74 years) of Southeast region. A supine lateral lumbar spine radiograph is a very accurate means of measuring lordotic angles. The LSA is one of such angles, and can be used in the investigation, treatment and follow-up of low back disorders. Little is known about what the normal value for our population is and therefore, what constitutes hypo-/hyper-lordosis; most of the data in use in medical practice are based on studies on other races...
September 2014: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/24149169/sagittal-spinal-morphology-in-highly-trained-adolescent-tennis-players
#9
José M Muyor, Estefanía Sánchez-Sánchez, David Sanz-Rivas, Pedro A López-Miñarro
Sports with a predominance of forward-bending and extension postures have been associated with alterations in the sagittal spinal curvatures and greater risk of spinal injury. Because, the tennis players adopt these postures, the aims of this study were: 1) to describe spinal curvatures and pelvic tilt in male and female highly trained adolescent tennis players during relaxed standing posture and with thoracic spine corrected (in prone lying on the floor); and 2) to determine the frequency of thoracic hyperkyphosis and lumbar hypo/hyper lordosis in these postures...
2013: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/24044974/multifunctional-aspects-of-allopregnanolone-in-stress-and-related-disorders
#10
REVIEW
Anjana Bali, Amteshwar Singh Jaggi
Allopregnanolone (3α-hydroxy-5α-pregnan-20-one) is a major cholesterol-derived neurosteroid in the central nervous system and is synthesized from progesterone by steroidogenic enzymes, 5α-reductase (the rate-limiting enzyme) and 3α-hydroxysteroid dehydrogenase. The pathophysiological role of allopregnanolone in neuropsychiatric disorders has been highlighted in several investigations. The changes in neuroactive steroid levels are detected in stress and stress-related disorders including anxiety, panic and depression...
January 3, 2014: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/23392418/development-of-the-lumbar-lordotic-curvature-in-children-from-age-2-to-20-years
#11
Sara Shefi, Michalle Soudack, Eli Konen, Ella Been
STUDY DESIGN: Cross-sectional retrospective study. OBJECTIVE: The purpose of this study was to provide data for the normal values of the lumbar lordotic curvature and segmental angles throughout childhood and to explore the relative contribution of the vertebral bodies and intervertebral discs to the developing lordosis during childhood. SUMMARY OF BACKGROUND DATA: Although early detection of spinal abnormalities such as hyper lordosis or scoliosis is important for preventative intervention, published data regarding normal lordosis development is sparse...
May 1, 2013: Spine
https://www.readbyqxmd.com/read/22678557/sagittal-balance-correction-of-idiopathic-scoliosis-using-the-in-situ-contouring-technique
#12
Yann Philippe Charles, Julia Bouchaïb, Axel Walter, Sébastien Schuller, Erik André Sauleau, Jean-Paul Steib
PURPOSE: Idiopathic scoliosis can lead to sagittal imbalance. The relationship between thoracic hyper- and hypo-kyphotic segments, vertebral rotation and coronal curve was determined. The effect of segmental sagittal correction by in situ contouring was analyzed. METHODS: Pre- and post-operative radiographs of 54 scoliosis patients (Lenke 1 and 3) were analyzed at 8 years follow-up. Cobb angles and vertebral rotation were determined. Sagittal measurements were: kyphosis T4-T12, T4-T8 and T9-T12, lordosis L1-S1, T12-L2 and L3-S1, pelvic incidence, pelvic tilt, sacral slope, T1 and T9 tilt...
October 2012: European Spine Journal
https://www.readbyqxmd.com/read/22085713/the-effect-of-first-ballet-classes-in-the-community-on-various-postural-parameters-in-young-girls
#13
RANDOMIZED CONTROLLED TRIAL
Anna Moller, Youssef Masharawi
OBJECTIVE: To examine the effect of first season ballet classes in the community on the thoracic kyphosis (TK), lumbar lordosis (LL), hip external rotation (ER) and joint flexibility in young girls. DESIGN: Longitudinal single blinded cohort control study. SETTING: Institutional. PARTICIPANTS: 30 girls aged 6-9, recruited from the same primary school were divided equally into 2 groups: a group bi-weekly community ballet class and a sedentary control group...
November 2011: Physical Therapy in Sport
https://www.readbyqxmd.com/read/21879413/classification-of-three-dimensional-thoracic-deformities-in-adolescent-idiopathic-scoliosis-from-a-multivariate-analysis
#14
Samuel Kadoury, Hubert Labelle
PURPOSE: Understanding how to classify and quantify three-dimensional (3D) spinal deformities remains an open question in adolescent idiopathic scoliosis. The objective of this study was to perform a 3D manifold characterization of scoliotic spines demonstrating thoracic deformations using a novel geometric and intuitive statistical tool to determine patterns in pathological cases. METHODS: Personalized 3D reconstructions of thoracic (T)/lumbar (L) spines from a cohort of 170 Lenke Type-1 patients were analyzed with a non-linear manifold embedding algorithm in order to reduce the high-dimensionality of the data, using statistical properties of neighbouring spine models...
January 2012: European Spine Journal
https://www.readbyqxmd.com/read/21143296/spectrum-of-skeletal-abnormalities-in-a-complex-malformation-syndrome-with-cutis-tricolor-ruggieri-happle-syndrome
#15
Martino Ruggieri, Mario Roggini, Ingo Kennerknecht, Agata Polizzi, Angela Distefano, Vito Pavone
BACKGROUND: The term cutis tricolor describes the combination of congenital hyper- and hypopigmented skin lesions in close proximity to each other in a background of normal complexion. This phenomenon has been reported: (i) as a purely cutaneous trait; (ii) as a part of a complex malformation syndrome (Ruggieri-Happle syndrome - RHS); (iii) as a distinct type [cutis tricolor parvimaculata]; (iv) in association with other (e.g. vascular) skin disturbances. OBJECTIVES: To delineate the spectrum of skeletal defects in cutis tricolor...
January 2011: Acta Paediatrica
https://www.readbyqxmd.com/read/20833070/the-role-of-lumbopelvic-posture-in-pelvic-floor-muscle-activation-in-continent-women
#16
Angela Christine Capson, Joseph Nashed, Linda Mclean
This study was undertaken to determine the effect of changing standing lumbopelvic posture on pelvic floor muscle (PFM) activation amplitude and timing and the resultant vaginal manometry values recorded during static and dynamic tasks. Sixteen nulliparous, continent women between the ages of 22 and 41 years performed five tasks (quiet standing, maximal effort cough, Valsalva manoeuvre, maximum voluntary contraction (MVC) of the PFMs, and a load-catching task) in three different standing postures (normal lumbopelvic posture, hyperlordosis and hypolordosis)...
February 2011: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/19763639/surgical-treatment-of-post-traumatic-kyphosis-in-the-thoracolumbar-spine-indications-and-technical-aspects
#17
REVIEW
Everard Munting
Indications for correction of post-traumatic kyphotic deformity of the spine and technical aspects of the surgical procedure are reviewed. Surgical correction of post-traumatic deformity of the spine should be considered in patients presenting a local excess of kyphosis in the fractured area superior to 20 degrees with poor functional tolerance. Severe pain, explained by objective factors such as canal or neuroforamen compromise with or without peripheral symptoms, angular deformity, non-union, focal instability, adjacent painful compensatory deformity such as lumbar hyper-lordosis or thoracic hypo-kyphosis or lordosis is a further argument for surgery...
March 2010: European Spine Journal
https://www.readbyqxmd.com/read/19241872/-morpho-functional-characteristic-of-the-lumbar-area-of-the-human-vertebral-column-in-the-individuals-with-various-degrees-of-lumbar-lordosis-on-the-basis-of-three-dimensional-computer-modeling
#18
V G Koveshnikov, V V Mavrich, E S Bolgova
This investigation was aimed at the evaluation of the borders of individual variability of the human lumbar spine lordosis. 224 nuclear magnetic tomograms of persons of mature age were analyzed using morphometric, statistical methods, method of three-dimensional (3D) computer modeling and finite-element analysis. During the investigation, a hardware-software complex for morphometric research was created together with the new method of development of 3D computer models of the lumbar spine. The application of 3D modeling allowed to extend the knowledge of human spine biomechanics...
2008: Morfologi︠a︡
https://www.readbyqxmd.com/read/18810035/prediction-of-the-t2-t12-kyphosis-in-adolescent-idiopathic-scoliosis-using-a-multivariate-regression-model
#19
S Kadoury, F Cheriet, H Labelle
The paper presents a nonlinear regression model built on the coronal thoracic curvature, the lumbar lordosis and the slope of the first lumbar vertebra in order to estimate the thoracic kyphosis measure between T2 and T12. To train the proposed model, a large database containing scoliotic spines demonstrating several types of scoliotic deformities was used to train the proposed system by a cross-validation method. Validation was performed on patients exhibiting three different types of sagittal thoracic profiles: normal, hypo-kyphotic, and hyper-kyphotic...
2008: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/16352502/sagittal-counter-forces-scf-in-the-treatment-of-idiopathic-scoliosis-a-preliminary-report
#20
COMPARATIVE STUDY
H-R Weiss, R Dallmayer, D Gallo
BACKGROUND: In patients with idiopathic scoliosis (IS), reduced thoracic kyphosis and reduced lumbar lordosis frequently occur in correlation with the lateral spinal curvature. Normalization of the sagittal profile and hyper-correction of the deviation in frontal and coronal plane are the main issues of the latest concept of bracing. The purpose of this study was to investigate the influence of of sagittal counter forces (SCF) on the scoliotic deformity. STUDY DESIGN: A case series of four patients with IS treated with two braces designed to improve the sagittal profile (Rigo-System-Chêneau-brace and with a sagittal counter force brace, SCF-brace)...
January 2006: Pediatric Rehabilitation
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