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https://www.readbyqxmd.com/read/28931998/trunk-function-in-hemiplegic-wheelchair-users-when-using-wheelchair-cushions
#1
Kyohei Kawada
[Purpose] The purpose of this study was to investigate adapting wheelchair cushions to hemiplegic individuals based on trunk function and a single-leg driving motion. [Subjects and Methods] Subjects were 18 hemiplegic adults who were able to use and sit up in a wheelchair. Subjects were grouped into Able and Unable groups according to the Functional Assessment for Control of the Trunk (FACT). The posterior pelvic tilt angle and the driving speed and muscle activity at the long head of the biceps femoris at the start of wheelchair use were measured for three wheelchair cushion conditions, and FACT factors and cushion factors were then analyzed...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28927455/eight-orthopedic-surgeons-achieved-moderate-to-excellent-reliability-measuring-the-preoperative-posterior-tilt-angle-in-50-garden-i-and-garden-ii-femoral-neck-fractures
#2
Filip C Dolatowski, Sigurd Erik Hoelsbrekken
BACKGROUND: Studies of elderly patients with Garden-I and Garden-II femoral neck fractures (FNFs) suggest that a preoperative posterior tilt of the femoral head of at least 20° increases the risk of fixation failure. A recently published treatment algorithm recommended hemiarthroplasty over internal fixation for elderly patients with Garden-I and Garden-II FNFs and a preoperative posterior tilt of at least 20°. However, the reliability of the method used to measure the posterior tilt has not been assessed according to recommended standards for reliability trials...
September 19, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28914956/ischemic-femoral-head-osteonecrosis-in-a-piglet-model-causes-three-dimensional-decrease-in-acetabular-coverage
#3
Vidyadhar V Upasani, Megan E Jeffords, Christine L Farnsworth, David Padilla, Nick Lopreiato, Olumide O Aruwajoye, Harry K W Kim
Legg-Calve-Perthes disease (LCPD) is a childhood form of ischemic osteonecrosis marked by development of severe femoral head deformity and premature osteoarthritis. The pathogenesis of femoral head deformity has been studied extensively using a piglet model of ischemic osteonecrosis, however accompanying acetabular changes have not been investigated. The purpose of this study was to determine if acetabular changes accompany femoral head deformity in a well-established piglet model of LCPD and to define the acetabular changes using 3 dimensional computed tomography (3-D CT) and modeling...
September 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28911945/long-term-follow-up-and-survivorship-of-single-radius-posterior-stabilized-total-knee-arthroplasty
#4
Moon Jong Chang, Sangyeon So, Chan-Deok Park, Jai Gon Seo, Young-Wan Moon
BACKGROUND: We sought to determine the 10-year survivorship of single-radius, posterior-stabilized total knee arthroplasty (TKA) in Asian patients. We also aimed to determine whether the long-term clinical and radiographic results differed between patients with and without patellar resurfacing. METHODS: This retrospective study included 148 (115 patients) consecutive single-radius, posterior-stabilized TKAs. Ten-year survivorship analysis was performed using the Kaplan-Meier method with additional surgery for any reason as the end-point...
September 11, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28876163/concurrent-validity-of-inclinometer-measures-of-scapular-and-clavicular-positions-in-arm-elevation
#5
Paula R Camargo, Vandana Phadke, Gisele G Zanca, Paula M Ludewig
OBJECTIVE: To assess concurrent validity, between and within-day reliability of scapular and clavicular digital inclinometer measures. DESIGN: Test-retest and concurrent validity. SETTING: Laboratory. PARTICIPANTS: Twenty-three participants with and without shoulder symptoms. MAIN OUTCOME MEASURES: Static positions of scapular upward rotation, anterior/posterior tilting and clavicular elevation were measured between days with an inclinometer and compared to a 3-dimensional electromagnetic tracking system in different positions of sagittal plane humeral elevation (neutral, 30°, 60°, 90°, 120°)...
September 6, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28874968/posterior-only-approach-with-pedicle-screws-for-the-correction-of-scheuermann-s-kyphosis
#6
Adem Cobden, Akif Albayrak, Yalkin Camurcu, Hakan Sofu, Temel Tacal, Mehmet Akif Kaygusuz
STUDY DESIGN: Retrospective study (level of evidence: level 3). PURPOSE: The purpose of this study was to evaluate the clinical and radiological results of the posterior-only approach with pedicle screws for the treatment of Scheuermann's kyphosis (SK). OVERVIEW OF LITERATURE: The correction of SK with instrumentation can be performed using posterior-only or combined anterior-posterior procedures. With the use of all-pedicle screw constructs in spine surgery, the posterior-only approach has become a popular option for the definitive treatment of SK...
August 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28860392/factors-affecting-the-potential-for-posterior-bony-impingement-after-total-hip-arthroplasty
#7
T Shoji, T Yamasaki, S Izumi, H Murakami, K Mifuji, M Sawa, Y Yasunaga, N Adachi, M Ochi
AIMS: Our aim was to evaluate the radiographic characteristics of patients undergoing total hip arthroplasty (THA) for the potential of posterior bony impingement using CT simulations. PATIENTS AND METHODS: Virtual CT data from 112 patients who underwent THA were analysed. There were 40 men and 72 women. Their mean age was 59.1 years (41 to 76). Associations between radiographic characteristics and posterior bony impingement and the range of external rotation of the hip were evaluated...
September 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28859846/the-influence-of-the-hips-position-on-measurements-of-posterior-tilt-in-a-valgus-impacted-femoral-neck-fracture
#8
Sigurd Erik Hoelsbrekken, Filip C Dolatowski
INTRODUCTION: Lateral radiographs are important for the evaluation of Garden I and II femoral neck fractures. These fractures appear undisplaced in the anteroposterior view, but posterior tilt of the femoral head may still be present in the lateral view. The influence of posterior tilt is, however, debated, which could be caused by the use of non-standardized cross-table radiographs in the conflicting reports. The aim of this bone-model study was therefore to evaluate the influence of the hips position on measurements of posterior tilt...
August 26, 2017: Injury
https://www.readbyqxmd.com/read/28840349/sagittal-spino-pelvic-alignment-in-rapidly-destructive-coxarthrosis
#9
Tadatsugu Morimoto, Masaru Kitajima, Masatsugu Tsukamoto, Tomohito Yoshihara, Motoki Sonohata, Masaaki Mawatari
PURPOSE: To investigate the sagittal spino-pelvic alignment (SSPA) in patients with rapidly destructive coxarthrosis (RDC). METHODS: SSPA was investigated in 44 patients with RDC and 70 patients with hip osteoarthritis (HOA). The study included only female patients over the age of 70 years because epidemiological reports indicate that RDC most commonly occurs in this group of patients. The SSPA parameters that were analyzed included lumbar lordosis (LL), lumbar range of motion (ΔLL), sacral slope (SS), pelvic incidence (PI), and pelvic tilt (PT)...
August 24, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28835232/full-fusion-of-proximal-thoracic-curve-helps-to-prevent-postoperative-cervical-tilt-in-lenke-type-2-adolescent-idiopathic-scoliosis-patients-with-right-elevated-shoulder
#10
Jun Jiang, Bang-Ping Qian, Yong Qiu, Bin Wang, Yang Yu, Ze-Zhang Zhu
BACKGROUND: To date, no study had reported the phenomenon of deteriorated postoperative cervical tilt in Lenke type 2 adolescent idiopathic scoliosis patients. The purpose of this study is to evaluate the cervical tilt in Lenke type 2 adolescent idiopathic scoliosis patients with right-elevated shoulder treated by either full fusion or partial/non fusion of the proximal thoracic curve. METHODS: A total of 30 Lenke type 2 AIS patients with preoperative right-elevated shoulder underwent posterior spinal instrumentation from 2009 to 2011 were included in this study...
August 23, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28827031/measurement-of-scapular-medial-border-and-inferior-angle-prominence-using-a-novel-scapulometer-a-reliability-and-validity%C3%A2-study
#11
Wan-Yu Du, Tsun-Shun Huang, Kai-Chieh Hsu, Jiu-Jenq Lin
BACKGROUND: Previous studies have proposed various ways to assess scapular dyskinesis. In clinic, assessment tools designed to measure the posterior displacement of the inferior angle of the scapula with reference to the posterior thoracic cage are needed. OBJECTIVES: A novel scapulometer was developed to measure scapular medial border and inferior angle prominence. METHODS: A novel scapulometer was designed to measure the distance from the root of the spine (ROS) and the inferior angle (INF) of the scapula to the thorax wall in 29 participants with scapular dyskinesis bilaterally...
August 15, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28822721/postural-assessment-in-class-iii-patients-before-orthognathic-surgery
#12
Fernando Zugno Kulczynski, Fernando de Oliveira Andriola, Pedro Henrique Deon, Denizar Alberto da Silva Melo, Rogério Miranda Pagnoncelli
PURPOSE: To determine the postural characteristics of patients with Class III dentofacial deformities before orthognathic surgery by photogrammetry using SAPO postural assessment software. MATERIALS AND METHODS: This was a cross-sectional study. Eligible participants were adult patients who had an indication for orthognathic surgery to correct skeletal Class III dentofacial deformities and were undergoing orthodontic preparation for surgery. Patients were recruited at the outpatient clinic for dentofacial deformities of the authors' institution from March to November 2015...
July 25, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28821444/circumferential-fusion-a-comparative-analysis-between-anterior-lumbar-interbody-fusion-with-posterior-pedicle-screw-fixation-and-transforaminal-lumbar-interbody-fusion-for-l5-s1-isthmic-spondylolisthesis
#13
Erik Y Tye, Joseph E Tanenbaum, Andrea S Alonso, Roy Xiao, Michael P Steinmetz, Thomas E Mroz, Jason W Savage
BACKGROUND CONTEXT: Transforaminal lumbar interbody fusion (TLIF) or anterior lumbar interbody fusion with percutaneous pedicle screws (ALIFPS) offer significantly higher radiographic fusion rates than other fusion techniques for L5-S1 isthmic spondylolisthesis (IS). As it stands, there is a relative paucity of comparative data of the two techniques. PURPOSE: To define the clinical, radiographic, and financial differences between TLIF and ALIFPS for L5-S1 IS. STUDY DESIGN/SETTING: A retrospective cohort study conducted at a single-tertiary care center...
August 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28821443/the-effect-of-pelvic-motion-on-spino-pelvic-parameters
#14
Andrew M Hayden, Ann M Hayes, Jennifer L Brechbuhler, Heidi Israel, Howard M Place
BACKGROUND CONTEXT: To date, many studies have examined how pelvic position affects the spinal curvature and spino-pelvic parameters. However, these studies focus on a static relationship, comparing pelvis and spine in a relaxed or baseline position only. Indeed, the spino-pelvic connection is dynamic, as a subject can easily be taught to rotate their pelvis anteriorly or posteriorly on the femoral head, all while maintaining an erect posture. Therefore, for a true understanding of pelvic influence on the spinal column, it is necessary to examine spino-pelvic parameters in multiple pelvic positions within the same subject...
August 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28816291/-influence-of-the-interforaminal-arch-form-of-edentulous-mandibles-on-design-of-all-on-4-preliminary-research-based-on-conebeam-computed-tomography
#15
S Y Li, G Li, H L Feng, S X Pan
OBJECTIVE: To classify the interforaminal arch form of edentulous mandibles by measuring the anterior-posterior distance (A-P distance) of implants planned to be inserted in "All-on-4" protocol using conebeam computed tomography (CBCT) data, and to investigate the influence of the arch form on the "All-on-4" distally tilted implants. METHODS: Seventy-four CBCT images of edentulous mandibles were collected, including 35 males and 39 females respectively. "All-on-4"implant supported fixed prostheses were designed for these patients based on the CBCT data...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28801199/repositioning-the-scapula-with-taping-following-distal-radius-fracture-kinematic-analysis-using-3-dimensional-motion-system
#16
Elif Turgut, Cigdem Ayhan, Gul Baltaci
STUDY DESIGN: Cross-sectional and controlled laboratory study using pretest-posttest design. INTRODUCTION: Patients with distal radius fracture (DRfx) report proximal segment problems. Taping is commonly recommended because it provides improved posture and function. PURPOSE OF THE STUDY: This study aimed to investigate the 3-dimensional scapular kinematics and the effect of taping on the kinematics in participants with DRfx. METHODS: Twenty participants with a unilateral history of DRfx and 20 healthy controls participated...
August 8, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28794584/changes-in-spinopelvic-indices-after-hip-arthroplasty-and-its-influence-on-acetabular-component-orientation
#17
Siddharth Mahesh Shah, Selin Munir, William Lindsay Walter
OBJECTIVE: To evaluate spinopelvic changes after hip arthroplasty in standing and ready-to-rise positions. METHODS: We compared pelvic tilt, sacral slope, cobb's angle, and hip flexion on pre and postoperative spinopelvic radiographs. RESULTS: Standing: All postoperative indices were similar to preoperative ones except sacral slope (mean difference:1.6°, p = 0.046). Ready-to-rise: All postoperative indices were similar to preoperative ones except pelvic tilt which was significantly greater postoperatively (mean difference: 5...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28791060/outcome-of-single-piece-intraocular-lens-sulcus-implantation-following-posterior-capsular-rupture-during-phacoemulsification
#18
Masomeh Mohebbi, Seyed Ali Bashiri, Seyed Farzad Mohammadi, Behnaz Samet, Fariba Ghassemi, Elham Ashrafi, Fatemeh Bazvand
PURPOSE: To assess the safety and outcome of single-piece posterior chamber intraocular lens (PC-IOL) implantation in the ciliary sulcus following posterior capsular rupture during cataract surgery. METHODS: Patients with posterior capsular rupture during cataract surgery with a single-piece acrylic IOL implanted into the ciliary sulcus were studied. Complete ocular examinations were performed after 6 months postoperatively. RESULTS: Twenty-four eyes were included...
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28782700/effects-of-intertrochanteric-osteotomy-plane-and-pre-operative-femoral-anteversion-on-the-post-operative-morphology-of-the-proximal-femur-in-transtrochanteric-anterior-rotational-osteotomy-3d-ct-based-simulation-study
#19
Kazuhiko Sonoda, Goro Motomura, Satoshi Ikemura, Yusuke Kubo, Takuaki Yamamoto, Yasuharu Nakashima
BACKGROUND: Transtrochanteric anterior rotational osteotomy (ARO) is joint-preserving surgery for patients with osteonecrosis of the femoral head (ONFH).During ARO, femoral neck-shaft varus angulation by changing intertrochanteric osteotomy plane is often designed to obtain a sufficient post-operative intact ratio. However, the effect of intertrochanteric osteotomy plane on post-operative femoral anteversion has not been well examined.Therefore we performed a simulation study of ARO to determinehow intertrochanteric osteotomy plane and pre-operative femoral anteversionaffect both femoral neck-shaft varus angle and post-operative femoral anteversion...
August 3, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28767698/brain-plasticity-and-sensorimotor-deterioration-as-a-function-of-70-days-head-down-tilt-bed-rest
#20
Vincent Koppelmans, Jacob J Bloomberg, Yiri E De Dios, Scott J Wood, Patricia A Reuter-Lorenz, Igor S Kofman, Roy Riascos, Ajitkumar P Mulavara, Rachael D Seidler
BACKGROUND: Adverse effects of spaceflight on sensorimotor function have been linked to altered somatosensory and vestibular inputs in the microgravity environment. Whether these spaceflight sequelae have a central nervous system component is unknown. However, experimental studies have shown spaceflight-induced brain structural changes in rodents' sensorimotor brain regions. Understanding the neural correlates of spaceflight-related motor performance changes is important to ultimately develop tailored countermeasures that ensure mission success and astronauts' health...
2017: PloS One
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