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Thoracic rotation

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https://www.readbyqxmd.com/read/29905581/torticollis-caused-by-nontraumatic-craniovertebral-junction-abnormalities
#1
Sunghoon Park, Ji-Eun Woo, Sanghyun Kim, Shin-Young Yim
Torticollis could be the only symptom and sign of craniovertebral junction (CVJ) abnormality. It could be difficult to identify CVJ abnormality as a cause of torticollis due to their rarity, especially for the subjects with torticollis caused by nontraumatic CVJ abnormalities. There has been no report to focus on nontraumatic CVJ abnormalities as a cause of torticollis. The objective of this study was to report 27 patients of torticollis caused by nontraumatic CVJ abnormalities, with the aim of helping clinicians to identify nontraumatic CVJ abnormalities as a cause of torticollis...
June 13, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29904281/vrtn-is-required-for-the-development-of-thoracic-vertebrae-in-mammals
#2
Yanyu Duan, Hui Zhang, Zhen Zhang, Jun Gao, Jie Yang, Zhongping Wu, Yin Fan, Yuyun Xing, Lin Li, Shijun Xiao, Yong Hou, Jun Ren, Lusheng Huang
Vertnin ( VRTN ) variants are associated with thoracic vertebral number (TVN) in pigs. However, the biological function of VRTN remains poorly understood. Here we first conducted a range of experiments to demonstrate that VRTN is a responsible gene for TVN and two causative variants in the regulatory region of VRTN additively regulate TVN. Then, we show that VRTN is a novel DNA-binding transcription factor as it localizes exclusively in the nucleus, binds to DNA on a genome-wide scale and regulates the transcription of a set of genes that harbor VRTN binding motifs...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29899772/is-it-difficult-to-dominate-the-coronal-and-sagittal-planes-in-convex-rod-rotation-technique-the-effect-of-the-ucar-convex-rod-rotation-technique
#3
Gürkan Gümüşsuyu, Mehmet A Çaçan, Yılmaz Mertsoy, Amjad Alrashdan, Bekir Y Uçar
Study Design: Prospective multicenter study. Objective: To analyze the effect of the Ucar convex rod rotation technique on coronal and sagittal correction in the treatment of Lenke type I adolescent idiopathic scoliosis. Summary of Background Data: Various common curve correction techniques were used in scoliosis. This report describes the efficacy of the global vertebral correction technique with convex rod rotation. Materials and Methods: A total of 28 consecutive patients with Lenke type I adolescent idiopathic scoliosis managed with Ucar convex rod rotation technique between October 2012 and September 2015 were included...
January 2018: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29894394/improving-clinical-proficiency-using-a-3-dimensionally-printed-and-patient-specific-thoracic-spine-model-as-a-haptic-task-trainer
#4
Jeffrey Bortman, Yanick Baribeau, Jelliffe Jeganathan, Yannis Amador, Faraz Mahmood, Marc Shnider, Muneeb Ahmed, Philip Hess, Robina Matyal
BACKGROUND AND OBJECTIVES: Advanced haptic simulators for neuraxial training are expensive, have a finite life, and are not patient specific. We sought to demonstrate the feasibility of developing a custom-made, low-cost, 3-dimensionally printed thoracic spine simulator model from patient computed tomographic scan data. This study assessed the model's practicality, efficiency as a teaching tool, and the transfer of skill set into patient care. METHODS: A high-fidelity, patient-specific thoracic spine model was used for the study...
June 11, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29868624/closure-of-thoracic-wall-defect-using-breast-implant-capsule-tissue-as-a-rotation-flap-a-case-report
#5
Michael Josiassen, Madeline T Kudibal, Christina Gramkow, Stig-Frederik Trojahn Kølle
A 70-year old woman underwent thoracic surgery resulting in rupture of a silicone implant. During re-implantation at a later time an iatrogenic thoracic wall defect was discovered. In order to complete re-implantation the defect was closed using a rotation flap constructed from capsular tissue from the previous silicone implant.
2018: Case Reports in Plastic Surgery & Hand Surgery
https://www.readbyqxmd.com/read/29858509/technical-note-freect_icd-an-open-source-implementation-of-a-model-based-iterative-reconstruction-method-using-coordinate-descent-optimization-for-ct-imaging-investigations
#6
John M Hoffman, Frédéric Noo, Stefano Young, Scott S Hsieh, Michael McNitt-Gray
PURPOSE: To facilitate investigations into the impacts of acquisition and reconstruction parameters on quantitative imaging, radiomics and CAD using CT imaging, we previously released an open source implementation of a conventional weighted filtered backprojection reconstruction called FreeCT_wFBP. Our purpose was to extend that work by providing an open-source implementation of a model-based iterative reconstruction method using coordinate descent optimization, called FreeCT_ICD. METHODS: Model-based iterative reconstruction offers the potential for substantial radiation dose reduction, but can impose substantial computational processing and storage requirements...
June 1, 2018: Medical Physics
https://www.readbyqxmd.com/read/29852313/the-rib-cage-stiffens-the-thoracic-spine-in-a-cadaveric-model-with-body-weight-load-under-dynamic-moments
#7
Erin M Mannen, Elizabeth A Friis, Hadley L Sis, Benjamin M Wong, Eileen S Cadel, Dennis E Anderson
The thoracic spine presents a challenge for biomechanical testing. With more segments than the lumbar and cervical regions and the integration with the rib cage, experimental approaches to evaluate the mechanical behavior of cadaveric thoracic spines have varied widely. Some researchers are now including the rib cage intact during testing, and some are incorporating follower load techniques in the thoracic spine. Both of these approaches aim to more closely model physiological conditions. To date, no studies have examined the impact of the rib cage on thoracic spine motion and stiffness in conjunction with follower loads...
May 16, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29809066/lumbar-hyperextension-in-baseball-pitching-a-potential-cause-of-spondylolysis
#8
Hardeep Singh, Mark Lee, Matthew J Solomito, Christian Merrill, Carl Nissen
Symptomatic spondylolysis/spondylolisthesis is thought to be caused by repetitive lumbar extension. 8.9% of baseball pitchers that experience back pain will be diagnosed with spondylolysis. Therefore, this study aims to identify and quantify lumbar extension experienced during baseball pitching. It was hypothesized that young pitchers would exhibit less lumbar extension than older pitchers. 187 healthy, pitchers were divided into 3 age groups: youth, adolescent, and college. Kinematic data were collected at 250Hz using a 3D motion capture system...
May 29, 2018: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/29793122/intra-and-interrater-reliability-of-the-lumbar-locked-thoracic-rotation-test-in-competitive-swimmers-ages-10-through-18-years
#9
Stef Feijen, Kevin Kuppens, Angela Tate, Isabel Baert, Thomas Struyf, Filip Struyf
OBJECTIVES: Measuring thoracic spine mobility can be of interest to competitive swimmers as it has been associated with shoulder girdle function and scapular position in subjects with and without shoulder pain. At present, no reliability data of thoracic spine mobility measurements are available in the swimming population. This study aims to evaluate the within-session intra- and interrater reliability of the "lumbar-locked rotation test" for thoracic spine rotation in competitive swimmers aged 10 to 18 years...
April 17, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29765175/the-impact-of-walking-speed-on-interlimb-coordination-in-individuals-with-parkinson-s-disease
#10
Cheng-Chieh Lin, Robert C Wagenaar
[Purpose] Interlimb coordination can be affected by the symptoms associated with Parkinson's disease and may result in an increased risk of falls. The purpose of the current study was to compare changes in interlimb coordination in individuals with Parkinson's disease to healthy older adults while systematically manipulating walking speed. [Subjects and Methods] Participants walked on a treadmill while systematically increasing and decreasing the walking speed between 0.22 and 1.30 m/s. Kinematic data were collected by means of a three dimensional motion capture system...
May 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29747907/does-field-hockey-increase-morphofunctional-asymmetry-a-pilot-study
#11
M Krzykała, P Leszczyński, M Grześkowiak, T Podgórski, M Woźniewicz-Dobrzyńska, A Konarska, R Strzelczyk, J Lewandowski, J M Konarski
Common practice in field hockey requires athletes to adopt a semi-crouched posture, so players have a greater risk of musculoskeletal disorders than non-athletes. The aim of the present study was to assess how field hockey determines asymmetry in morphological and functional characteristics of the body by comparing athletes to control participants. The sample consisted of 15 male field hockey players from the Polish Youth National Team and 14 male university students. Antimeric differences in the chosen variables between body sub-regions were assessed...
March 27, 2018: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/29736103/effectiveness-of-manual-treatment-on-pregnancy-symptoms-usefulness-of-manual-treatment-in-treating-pregnancy-symptoms
#12
Boris Skarica
Objectives: To determine the usefulness of manual treatment in reducing or eliminating pregnancy symptoms during first and second trimester. Methods: Manual treatment of the cervical and thoracic spine was performed in a group of 115 pregnant women who developed pregnancy symptoms during normal pregnancy. A rotational traction of the cervical spine was applied. Patients in whom the treatment was unsuccessful underwent second round of treatment after a pause of a minimum 3 days...
April 2018: Medical Archives
https://www.readbyqxmd.com/read/29735231/comparing-the-efficacy-of-methods-for-immobilizing-the-thoracic-lumbar-spine
#13
Salam Rahmatalla, Jonathan DeShaw, Joshua Stilley, Gerene Denning, Charles Jennissen
OBJECTIVE: The purpose of this study was to compare the relative efficacy of immobilization systems in limiting thoracic-lumbar movements. METHODS: A dynamic simulation system was used to reproduce transport-related shocks and vibration, and involuntary movements of the thoracic-lumbar region were measured using 3 immobilization configurations. RESULTS: The vacuum mattress and the long spine board were generally more effective than the cot alone in reducing thoracic-lumbar rotation and flexion/extension...
May 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29735133/optimal-lowest-instrumented-vertebra-for-thoracic-adolescent-idiopathic-scoliosis
#14
Charla R Fischer, Lawrence G Lenke, Keith H Bridwell, Oheneba Boachie-Adjei, Munish Gupta, Yongjung J Kim
STUDY DESIGN: Retrospective cohort chart review. OBJECTIVE: To determine the optimal lowest instrumented vertebra (LIV) following posterior segmental spinal instrumented fusion (PSSIF) of thoracic adolescent idiopathic scoliosis (AIS) with LIV at L2 or above. SUMMARY OF BACKGROUND DATA: Few studies evaluate the optimal LIV based on rotation or center sacral vertical line (CSVL). METHODS: A radiographic assessment of 544 thoracic major AIS patients (average age 14...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735132/the-lumbar-gap-measurement-in-lenke-1-4c-curves
#15
Hong Zhang, B Stephens Richards, Daniel J Sucato, Chan-Hee Jo, Dong Tran, Linfeng Wang
STUDY DESIGN: Retrospective review. OBJECTIVES: To assess whether the lumbar gap (LG) measurement, which is the distance between the center sacral vertical line and the concave edge of the apical vertebra of the lumbar curve, would be a useful tool to predict the need for lumbar curve fusion in the Lenke 1-4C curves. SUMMARY OF BACKGROUND DATA: The current treatment guidelines of selective thoracic fusion in the Lenke 1-4C curves are not routinely accepted...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735128/the-relationship-between-apical-vertebral-rotation-and-truncal-rotation-in-adolescent-idiopathic-scoliosis-using-3d-reconstructions
#16
Pawel P Jankowski, Burt Yaszay, Krishna R Cidambi, Carrie E Bartley, Tracey P Bastrom, Peter O Newton
STUDY DESIGN: Retrospective review of prospective data. OBJECTIVES: To evaluate the relationship between absolute apical vertebral rotation (AVR) evaluated with upright 3D imaging and angle of trunk rotation (ATR) before and after surgery for thoracic and lumbar curves in adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: New imaging technology allows for improved radiographic assessment of the degree of AVR pre- and postoperatively through 3D spine models created from biplanar, simultaneous spine radiographs...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735127/reliability-of-three-dimensional-spinal-modeling-of-patients-with-idiopathic-scoliosis-using-eos-system
#17
Aria Bagheri, Xue-Cheng Liu, Channing Tassone, John Thometz, Sergey Tarima
STUDY DESIGN: Three-dimensional (3D) spinal models of children with idiopathic scoliosis (IS) were created using the EOS imaging system (EOS) and sterEOS software. OBJECTIVE: To determine the inter- or intraobserver reproducibility of the 3D spinal models in children with IS of different apex locations. SUMMARY OF BACKGROUND DATA: 3D spinal model measurements include the Cobb angle, kyphosis, lordosis, and axial vertebral rotation (AVR). Variation of these measurements between two investigators and two different trials by the same investigator were analyzed by inter- and intraclass correlation coefficients (ICCs)...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29730619/what-is-the-effect-of-prolonged-sitting-and-physical-activity-on-thoracic-spine-mobility-an-observational-study-of-young-adults-in-a-uk-university-setting
#18
Nicola R Heneghan, Gemma Baker, Kimberley Thomas, Deborah Falla, Alison Rushton
OBJECTIVE: Sedentary behaviour has long been associated with neck and low back pain, although relatively little is known about the thoracic spine. Contributing around 33% of functional neck movement, understanding the effect of sedentary behaviour and physical activity on thoracic spinal mobility may guide clinical practice and inform research of novel interventions. DESIGN: An assessor-blinded prospective observational study designed and reported in accordance with Strengthening the Reporting of Observational Studies in Epidemiology...
May 5, 2018: BMJ Open
https://www.readbyqxmd.com/read/29730457/anterior-posterior-length-discrepancy-of-the-spinal-column-in-adolescent-idiopathic-scoliosis-a-3d-ct-study
#19
Rob C Brink, Tom P C Schlösser, Marijn van Stralen, Koen L Vincken, Moyo C Kruyt, Steve C N Hui, Max A Viergever, Winnie C W Chu, Jack C Y Cheng, René M Castelein
BACKGROUND CONTEXT: One of the characteristics of reported observations in adolescent idiopathic scoliosis (AIS) is that the thoracic spine is longer anteriorly than posteriorly, more pronounced around the apex than the transitional zones. This reversal of the normal kyphotic anatomy of the thoracic spine is related to questions of etiopathogenesis of AIS. The changes in the anatomy of the anterior column have been described rather in detail, however, the role of the posterior spinal column and the laminae has so far not been elucidated...
May 3, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29726791/postoperative-changes-in-sagittal-spinopelvic-alignment-in-sitting-position-in-adolescents-with-idiopathic-thoracic-scoliosis-treated-with-posterior-fusion-an-initial-analysis
#20
Weiguo Zhu, Zhen Liu, Shifu Sha, Jing Guo, Hongda Bao, Leilei Xu, Yong Qiu, Zezhang Zhu
OBJECTIVE Previous studies have reported spinal straightening and pelvic retroversion when changing from erect to sitting posture in patients with adolescent idiopathic scoliosis (AIS), which were thought to be related to low-back pain after sitting for long periods. However, the sitting sagittal alignment after posterior spinal fusion has not been evaluated. This study aims to assess the influence of posterior fusion surgery upon sitting sagittal spinopelvic alignment in adolescents with idiopathic thoracic curves (thoracic AIS [T-AIS])...
May 4, 2018: Journal of Neurosurgery. Pediatrics
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