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https://www.readbyqxmd.com/read/28445228/the-relationship-of-core-strength-and-activation-and-performance-on-three-functional-movement-screens
#1
Caleb D Johnson, Paul N Whitehead, Erin R Pletcher, Mallory S Faherty, Mita T Lovaleka, Shawn R Eagle, Karen A Keenan
Current measures of core stability utilized by clinicians and researchers suffer from several shortcomings. Three functional movement screens appear, at face-value, to be dependent on the ability to activate and control core musculature. These three screens may present a viable alternative to current measures of core stability. Thirty-nine subjects completed a deep squat, trunk stability push-up, and rotary stability screen. Scores on the three screens were summed to calculate a composite score (COMP). During the screens, muscle activity was collected to determine the length of time that the bilateral erector spinae, rectus abdominus, external oblique, and gluteus medius muscles were active...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28439685/histological-and-ultrastructural-study-of-myxobolus-mugchelo-parenzan-1966-with-initial-histopathology-survey-of-the-liza-ramada-host-intestine
#2
Mykola Ovcharenko, Bahram Sayyaf Dezfuli, Giuseppe Castaldelli, Mattia Lanzoni, Luisa Giari
This paper provides histological and ultrastructural data on Myxobolus mugchelo (Myxozoa), a parasite of the intestinal wall of thinlip mullet Liza ramada from the Comacchio lagoons (Northern Adriatic Sea, Italy). About 80% of the examined mullets were infected with this myxozoan. In histological sections, the plasmodia appeared rounded to ovoid and spindle shaped, measured 181.61 ± 97 × 122.79 ± 53.16 μm (mean ± standard deviation, SD) in size. Early sporogenic plasmodia were located primarily in the muscle layer where no pronounced inflammatory response was detected...
April 24, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28439636/kinematic-alignment-is-a-possible-alternative-to-mechanical-alignment-in-total-knee-arthroplasty
#3
Yong Seuk Lee, Stephen M Howell, Ye-Yeon Won, O-Sung Lee, Seung Hoon Lee, Hamed Vahedi, Seow Hui Teo
PURPOSE: A systematic review was conducted to answer the following questions: (1) Does kinematically aligned (KA) total knee arthroplasty (TKA) achieve clinical outcomes comparable to those of mechanically aligned (MA) TKA? (2) How do the limb, knee, and component alignments differ between KA and MA TKA? (3) How is joint line orientation angle (JLOA) changed from the native knee in KA TKA compared to that in MA TKA? METHODS: Nine full-text articles in English that reported the clinical and radiological outcomes of KA TKA were included...
April 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28439625/-direct-mpr-a-useful-tool-for-oblique-ct-fluoroscopy-assisted-puncture
#4
Rui Sato, Takeshi Aramaki, Kiichiro Yoza, Kenji Iwai, Michihisa Moriguchi, Koiku Asakura, Masahiro Endo, Takahiro Ito
OBJECTIVE: Conventional multiplanar reconstruction (MPR) imaging can be used as a tool for planning oblique puncture procedures, but it takes a few minutes to reconstruct and is not appropriate for real-time CT fluoroscopy-assisted puncture. Recently, new MPR technology has been used that requires only 8 s and makes it possible to obtain a nearly real-time CT fluoroscopy-assisted oblique puncture. We refer to it as "direct MPR." This is the first clinical report of this technique. METHODS: Since February 2016, we have performed real-time, CT-guided oblique punctures with this new technology, "direct MPR," using an angio-CT system...
April 24, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28437945/experimental-demonstration-of-wideband-multimodule-serial-reflectors
#5
Yeong Hwan Ko, Kyu Jin Lee, Robert Magnusson
We demonstrate unpolarized wideband reflectors fashioned with orthogonal serial resonant reflectors. Unpolarized incident light generates internal TM- and TE-polarized reflections that are made to cooperate to extend the bandwidth of the composite spectral reflectance. The experimental results presented show ~42% band extension by a two-grating module. In addition, good angular tolerance is found because the orthogonal arrangement simultaneously supports classical and fully conic mountings at oblique angles...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437332/ultrasound-assessment-of-the-abdominal-muscles-at-rest-and-during-the-aslr-test-among-adolescents-with-scoliosis
#6
Paweł Linek, Edward Saulicz, Michał Kuszewski, Tomasz Wolny
STUDY DESIGN: Observational study. OBJECTIVE: Are there deviations in the thickness of abdominal muscles at rest in individuals with adolescent idiopathic scoliosis (AIS)? Are there deviations in abdominal muscular activity in people with AIS during the active straight leg raise (ASLR) test? SUMMARY OF BACKGROUND DATA: Ultrasound imaging can be used to assess the lateral abdominal muscle. Some authors suggest that scoliosis develops through a weakness or improper functioning of the abdominal muscles that cannot provide adequate support to the spinal segments...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437331/do-the-position-and-orientation-of-the-crosslink-influence-the-stiffness-of-spinal-instrumentation
#7
Zhuo Wang, Toshihiko Sakakibara, Takamasa Yoshikawa, Tadashi Inaba, Yuichi Kasai
STUDY DESIGN: Biomechanical study of double-level pedicle screw constructs with or without crosslinks (CL) in an unstable model. OBJECTIVES: The purpose of this study is to investigate the optimal position and orientation of the CL. SUMMARY OF BACKGROUND DATA: Several reports have described biomechanical research on such CL, but no definite consensus has been reached regarding the effects. Very few studies have examined the position and orientation of the CL...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28436134/measurement-of-skin-surface-dose-distributions-in-radiation-therapy-using-poly-vinyl-alcohol-cryogel-dosimeters
#8
Molham M Eyadeh, Marcin Wierzbicki, Kevin R Diamond
In external beam radiation therapy (EBRT), skin dose measurement is important to evaluate dose coverage of superficial target volumes. Treatment planning systems (TPSs) are often inaccurate in this region of the patient, so in vivo measurements are necessary for skin surface dose estimation. In this work, superficial dose distributions were measured using radiochromic translucent poly(vinyl alcohol) cryogels. The cryogels simultaneously served as bolus material, providing the necessary buildup to achieve the desired superficial dose...
April 24, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28434011/management-of-coxa-vara-septica-and-pseudoarthrosis-of-the-femoral-neck-a-case-report
#9
Hasime Qorraj Bytyqi, Cen Bytyqi
BACKGROUND Coxa vara and pseudoarthrosis of the femoral neck after septic hip arthritis is a very rare disease. The aim of this study was to present a case with pseudoarthrosis of the femoral neck, with coxa vara after neonatal septic arthritis of the right hip, and treatment of the pseudarthrosis with proximal femoral valgus osteotomy. CASE REPORT A 12-month-old female, who had suffered neonatal septic arthritis with a five-day history of fever and painful right hip now demonstrated painless limping to the right hip, pelvic obliquity, Trendelenburg-Duchenne gait, limitation of hip abduction, lower-extremity length discrepancy with 3...
April 23, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28430736/vertical-lifting-a-new-optimal-thread-lifting-technique-for-asians
#10
Seung Hoon Kang, Eun Jung Byun, Hei Sung Kim
BACKGROUND: With the evolution of facial rejuvenation methods, thread lifts have gained popularity among patients who seek cosmetic improvement. Absorbable wedge-shaped polydioxanone (PDO) sutures are currently available, and they are extremely popular in the aesthetic clinics in Korea. In case of midface and mandibular jowl lift, threads are most often inserted in an oblique manner with vectors of rejuvenation directed toward the temple. However, specific characteristics of skeletal anatomy should be considered when deciding which technique to use in Asians...
April 19, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28427985/ureter-injury-as-a-complication-of-oblique-lumbar-interbody-fusion-a-case-report
#11
Hyeong-Jin Lee, Jin-Sung Kim, Kyeong-Sik Ryu, Choon Keun Park
BACKGROUND: Oblique lumbar interbody fusion is a commonly used surgical method of achieving lumbar interbody fusion. There have been some reports about complications of oblique lumbar interbody fusion at the L2-3 level. But to our knowledge, there have been no reports about ureter injury during oblique lumbar interbody fusion. We report a case of ureter injury during oblique lumbar interbody fusion to share our experience. CASE DESCRIPTION: A 78-year-old male patient presented with a history of lower back pain and neurogenic intermittent claudication...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28425961/rapid-texture-optimization-of-three-dimensional-urban-model-based-on-oblique-images
#12
Weilong Zhang, Ming Li, Bingxuan Guo, Deren Li, Ge Guo
Seamless texture mapping is one of the key technologies for photorealistic 3D texture reconstruction. In this paper, a method of rapid texture optimization of 3D urban reconstruction based on oblique images is proposed aiming at the existence of texture fragments, seams, and inconsistency of color in urban 3D texture mapping based on low-altitude oblique images. First, we explore implementing radiation correction on the experimental images with a radiation procession algorithm. Then, an efficient occlusion detection algorithm based on OpenGL is proposed according to the mapping relation between the terrain triangular mesh surface and the images to implement the occlusion detection of the visible texture on the triangular facets as well as create a list of visible images...
April 20, 2017: Sensors
https://www.readbyqxmd.com/read/28423998/preexisting-lesions-associated-with-complete-diaphyseal-fractures-of-the-third-metacarpal-bone-in-12-thoroughbred-racehorses
#13
Sarah N Gray, Mathieu Spriet, Tanya C Garcia, Francisco A Uzal, Susan M Stover
We characterized features of complete diaphyseal fractures of third metacarpal bones in Thoroughbred racehorses. Given that stress fractures are known to occur in the third metacarpal bone, an additional aim was to determine if complete fractures are associated with signs of a preexisting incomplete stress fracture. Bilateral metacarpi from 12 Thoroughbred racehorses euthanized because of complete unilateral metacarpal diaphyseal fracture were examined visually and radiographically. Open, comminuted, transverse or short oblique fractures occurred in the middle of the diaphysis or supracondylar region...
April 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28422429/development-of-the-headspace-family-and-friends-satisfaction-scale-findings-from-a-pilot-study
#14
Angela Nicholas, Erin Holloway, Nic Telford, Debra Rickwood
AIMS: The primary aim of this pilot study was to determine the psychometric properties of the 18-item headspace Family and Friends Satisfaction Scale (hFAFSS). METHODS: During August 2015, staff from 22 headspace centres approached family members and friends of young people attending headspace to complete the hFAFSS. Principal components analysis with oblique Promin rotation and polychoric correlations were used to assess the factor structure of the hFAFSS. RESULTS: There were 277 usable responses...
April 19, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/28421215/control-of-supramolecular-nanoassemblies-by-tuning-the-interactions-of-bent-shaped-rod-coil-molecules
#15
Shengnan You, Keli Zhong, Long Yi Jin
Rod-coil molecules 1a, 1b and 2a, 2b, consisting of biphenyl and phenyl units connected by an acetylene bond as the rod segment and oligo(ethylene glycol) (OEG) as the coil segment, were synthesized and characterized. Molecules 1a and 1b incorporate a butoxy group at the apex of their bent-shaped rigid building blocks, while both 1b and 2b contain a lateral methyl group between the rod and coil segments. The self-assembling behavior of these molecules was investigated using DSC, SAXS, CD, AFM, and TEM in bulk and aqueous solutions...
April 19, 2017: Soft Matter
https://www.readbyqxmd.com/read/28420893/scoliosis-in-patients-with-severe-cerebral-palsy-three-different-courses-in-adolescents
#16
Yoshiaki Oda, Tomoyuki Takigawa, Yoshihisa Sugimoto, Masato Tanaka, Hirofumi Akazawa, Toshifumi Ozaki
Patients with cerebral palsy (CP) frequently present with scoliosis; however, the pattern of curve progression is difficult to predict. We aimed to clarify the natural course of the progression of scoliosis and to identify scoliosis predictors. This was a retrospective, single-center, observational study. Total of 92 CP patients from Asahikawasou Ryouiku Iryou Center in Okayama, Japan were retrospectively analyzed. Cobb angle, presence of hip dislocation and pelvic obliquity, and Gross Motor Function Classification System (GMFCS) were investigated...
April 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28420353/the-influence-of-fatigue-and-chronic-low-back-pain-on-muscle-recruitment-patterns-following-an-unexpected-external-perturbation
#17
Júlia Jubany, Lieven Danneels, Rosa Angulo-Barroso
BACKGROUND: Chronic low back pain (CLBP) has been associated with altered trunk muscle responses as well as increased muscle fatigability. CLBP patients and fatigued healthy subjects could experience similar neuromuscular strategies to attempt to protect the spine. The current study examined muscle activation differences between healthy and CLBP subjects following a perturbation. In addition, the possible role of muscle fatigue was evaluated by investigating the healthy control subjects in a non-fatigued and a fatigued condition...
April 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28420031/the-ventromedial-hypothalamic-nucleus-in-the-zebra-finch-taeniopygia-guttata-afferent-and-efferent-projections-in-relation-to-the-control-of-reproductive-behaviour
#18
J Martin Wild
Sex-specific mating behaviors occur in a variety of mammals, with the medial preoptic nucleus (POM) and the ventromedial hypothalamic nucleus (VMH) mediating control of male and female sexual behaviour, respectively. In birds, likewise, POM is predominantly involved in the control of male reproductive behaviour, but the degree to which VMH is involved in female reproductive behaviour is unclear. Here, in male and female zebra finches, a combination of aromatase immunohistochemistry and conventional tract tracing facilitated the definition of two separate but adjacent nuclei in the basal hypothalamus: an oblique band of aromatase-positive (AR+) neurons, and ventromedial to this, an ovoid, aromatase-negative (AR-) nucleus...
April 18, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28419208/interhemispheric-synchrony-of-spontaneous-cortical-states-at-the-cortical-column-level
#19
Kazunori O'Hashi, Tomer Fekete, Thomas Deneux, Rina Hildesheim, Cees van Leeuwen, Amiram Grinvald
In cat early visual cortex, neural activity patterns resembling evoked orientation maps emerge spontaneously under anesthesia. To test if such patterns are synchronized between hemispheres, we performed bilateral imaging in anesthetized cats using a new improved voltage-sensitive dye. We observed map-like activity patterns spanning early visual cortex in both hemispheres simultaneously. Patterns virtually identical to maps associated with the cardinal and oblique orientations emerged as leading principal components of the spontaneous fluctuations, and the strength of transient orientation states was correlated with their duration, providing evidence that these maps are transiently attracting states...
April 13, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28416851/-one-of-the-pitfalls-in-the-surgical-treatment-of-maisonneuve-fractures-a-case-report
#20
H Q Ji, F Zhou, Y Tian, Z S Zhang, Y Guo, Y Lv, Z W Yang, G J Hou
There exist controversies in the surgical treatment of maisonneuve injury with regard to reduction and fixation of syndesmosis and management of proximal fibular fracture. It is very important for the orthopaedic surgeons to learn more techniques and avoid pitfalls from clinical practice. We summarized the clinical data of 1 failed case, a 20-year-old girl with big body weight who underwent a primary surgery for the treatment of maisonneuve fracture with minimally invasive reduction and fixation of ankle syndesmosis and posterior malleolus and open reduction and internal fixation of medial malleolus, then a revision surgery for the treatment of iatrogenic syndesmotic malreduction with open reduction and re-stabilization of ankle syndesmosis supplemented with open reduction and internal fixation of proximal fibular facture...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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