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https://www.readbyqxmd.com/read/29242803/as-a-definitive-choice-of-treatment-joint-and-defect-spanning-multiplanar-tubular-external-fixation-in-the-management-of-pediatric-open-defective-supracondylar-humerus-fracture-a-case-report
#1
Mehmet Demirel, Onur Tunali, Ismail Turkmen, Yavuz Saglam
Introduction: Although supracondylar fractures of the humerus are common in children, open fractures of are extremely rare injuries. Gustilo- Anderson Type-III fractures in the upper extremity are primarily associated with considerable bone loss resulting from high energy trauma. In this study, a case of open pediatric supracondylar humerus fracture treated by a joint and defect spanning multiplanar tubular external fixation is presented. Case Report: A boy aged 3 years suffered from a Gustilo-Anderson Type-IIIA supracondylar humerus fractures...
September 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29241814/a-new-method-to-locate-the-radial-head-safe-zone-on-computed-tomography-axial-views
#2
Y Zhan, C F Luo, Y J Chen
PURPOSE: Direct location of a "safe zone" on a CT axial view is inadequate because the radial head is circular in shape. Previous "safe zone" location methods are not appropriate if the physician is unable to visualize the actual radial head. This study aims to introduce a new method to locate the "safe zone" on CT. METHODS: CT scans were performed on 20 intact cadaveric upper limbs from 20 different corpses in full pronation and supination. The DICOM-format raw data were then re-sliced and analyzed in Mimics 17...
December 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29234659/accessory-muscle-of-the-flexor-digitorum-superficialis-and-its-clinical-implications
#3
Edie Benedito Caetano, João José Sabongi Neto, Lucas Augusto Ayres Ribas, Edson Vinícius Milanello
Anatomical variations of the flexor digitorum superficialis (FDS) muscle and tendon unit are frequently reported by anatomists and clinicians. Anatomical muscle variations of the FDS and its tendons may include variations of muscle belly, presence of accessory or duplicate tendons, abnormal tendon connections, and absence of muscle or tendon components. Such variations may or may not have clinical implications. This report presents a case not described previously: a unilateral accessory muscle of the flexor digitorum superficialis which was connected by a thick tendon to the flexor digitorum superficialis muscle; it was directed proximally to the insertion of the medial epicondyle of the humerus, next to the superficialis head of the pronator teres muscle...
November 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29231799/the-minimally-invasive-approach-for-distal-radius-fractures-and-malunions
#4
Philippe A Liverneaux
This article reviews the author's currently used minimal invasive approach for volar plating of distal radius fractures. A single longitudinal incision of 1.5 cm is drawn on the lateral aspect of the flexor carpi radialis tendon in order to insert a plate under the pronator quadratus. With the wrist flexed, the plate is applied on the anterior cortex of the radius to reduce the fracture. This approach offers the advantage of preserving ligamentotaxis, which facilitates the reduction, and the small scar improves the cosmetics...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29229548/tongue-protrusions-modify-the-syntax-of-skilled-reaching-for-food-by-the-mouse-evidence-for-flexibility-in-action-selection-and-shared-hand-mouth-central-modulation-of-action
#5
Ian Q Whishaw, Behroo Mirza Agha, Jessica R Kuntz, Qandeel, Jamshid Faraji, Majid H Mohajerani
Skilled reaching for food by the laboratory mouse has the appearance of an action pattern with a distinctive syntax in which ten submovements occur in an orderly sequence. A mouse locates the food by Sniffing, Lifts, Aims, Advances, and Shapes the hand to Pronate it over a food target that it Grasps, Retracts, and Withdraws to Release to its mouth for eating. The structure of the individual actions in the chain are useful for the study of the mouse motor system and contribute to the use of the mouse as a model of human neurological conditions...
December 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29224947/functional-outcomes-of-compression-plating-and-bone-grafting-for-operative-treatment-of-nonunions-about-the-forearm
#6
Deirdre K Regan, Alexander M Crespo, Sanjit R Konda, Kenneth A Egol
PURPOSE: To describe one center's experience with nonunion of one or both bones of the forearm and report on the functional recovery of patients treated for a single- or 2-bone forearm nonunion. METHODS: We performed a retrospective analysis of 23 patients who presented to our institution over an 11-year period and underwent surgical repair of a forearm nonunion (radius, ulna, or both bones). The main outcome measurements included time to union, visual analog scale pain scores, range of motion, Short Musculoskeletal Function Assessment scores, and postoperative complications...
December 7, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29219789/oberlin-transfer-compared-with-nerve-grafting-for-improving-early-supination-in-neonatal-brachial-plexus-palsy
#7
Kate W C Chang, Thomas J Wilson, Miriana Popadich, Susan H Brown, Kevin C Chung, Lynda J S Yang
OBJECTIVE The use of nerve transfers versus nerve grafting for neonatal brachial plexus palsy (NBPP) remains controversial. In adult brachial plexus injury, transfer of an ulnar fascicle to the biceps branch of the musculocutaneous nerve (Oberlin transfer) is reportedly superior to nerve grafting for restoration of elbow flexion. In pediatric patients with NBPP, recovery of elbow flexion and forearm supination is an indicator of resolved NBPP. Currently, limited evidence exists of outcomes for flexion and supination when comparing nerve transfer and nerve grafting for NBPP...
December 8, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29218390/gemelli-obturator-complex-in-the-deep-gluteal-space-an-anatomic-and-dynamic-study
#8
Ramon Balius, Antonio Susín, Carles Morros, Montse Pujol, Dolores Pérez-Cuenca, Xavier Sala-Blanch
OBJECTIVE: To investigate the behavior of the sciatic nerve during hip rotation at subgluteal space. MATERIALS AND METHODS: Sonographic examination (high-resolution ultrasound machine at 5.0-14 MHZ) of the gemelli-obturator internus complex following two approaches: (1) a study on cadavers and (2) a study on healthy volunteers. The cadavers were examined in pronation, pelvis-fixed position by forcing internal and external rotations of the hip with the knee in 90° flexion...
December 7, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29216764/quantifying-the-center-of-elbow-rotation-implications-for-medial-collateral-ligament-reconstruction
#9
Kraig S Graham, Sara Golla, Sebastian V Gehrmann, Robert A Kaufmann
BACKGROUND: Medial collateral ligament (MCL) reconstruction of the elbow mandates precise characterization of where the centerline of elbow rotation projects onto the medial epicondyle (ME). A muscle-splitting approach allows the flexor-pronator muscles to remain attached to the ME and facilitates visualization of the MCL remnant, the sublime tubercle, and the ulnohumeral joint line. Knowledge of where the centerline of rotation intersects the ME relative to the ulnohumeral joint line may assist the surgeon during placement of the proximal drill hole...
December 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29213017/topographical-anatomy-of-the-pronator-teres-muscle-and-median-nerve-a-study-using-histological-sections-of-human-fetuses
#10
Shinichi Abe, Naomitsu Tomita, Masahito Yamamoto, Minako Sato, Hiroshi Abe, Gen Murakami, Jose Francisco Rodríguez-Vázquez
The median nerve passes through the humeral and ulnar heads of the pronator teres muscle (PT), although variations such as absence of the ulnar head may exist. We observed histological sections of the upper extremity from 24 embryos and fetuses. In the early stage, the PT extended between the radius and the medial epicondyle of the humerus, but no candidate for the ulnar head was found. In mid-term fetuses, the ulnar margin of the PT was attached to the elbow joint capsule. Moreover, in late-stage fetuses, a small deep part of the PT arose from the thick joint capsule of the humero-ulnar joint near the coronoid process of the ulna...
2017: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/29209833/fine-motor-ability-and-psychiatric-disorders-in-youth
#11
Lorenna Sena Teixeira Mendes, Gisele Gus Manfro, Ary Gadelha, Pedro Mario Pan, Rodrigo Affonseca Bressan, Luis Augusto Rohde, Giovanni Abrahão Salum
Impaired fine motor ability has been linked to several domains of psychopathology. However, studies validating the specificity of this association among several categorical psychiatric disorders are still needed. The aim of this study was to assess differences in fine motor ability performance among four non-overlapping groups of psychiatric disorders and a group of typical developing comparisons (TDC). Our sample consisted of 2035 subjects aged 6-14-year-old. Diagnoses of psychiatric disorders were performed with the Development and Well-Being Assessment (DAWBA)...
December 5, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/29204437/reference-values-of-flexion-and-supination-in-the-elbow-joint-of-a-cohort-without-shoulder-pathologies
#12
Mehmet F Güleçyüz, Matthias F Pietschmann, Stefan Michalski, Ferdinand M Eberhard, Alexander Crispin, Christian Schröder, Maximilian J Mittermüller, Peter E Müller
Background: After surgery of the long head of the biceps tendon, the examination of the biceps brachii muscle function and strength is common clinical practice. The muscle strength is usually compared with the uninjured contralateral side or with a matched pair group assuming that the uninjured side can be used as an appropriate reference. Hypothesis/Purpose: The purpose of this study was to define reference values of the supination and flexion strength in the elbow joint and to investigate the influence of the arm positions and various anthropometric factors...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29200642/the-effects-of-calcaneal-posture-on-thoracolumbar-alignment-in-a-standing-position
#13
Seon-Chil Kim, Jae-Hoon Yi, Sang-Woo Jung, Dong-Kwon Seo
[Purpose] Severe calcaneus misalignment is correlated with low back pain, and affects pelvic alignment. However, little has been published with regard to the influence of pronation and supination on trunk alignment. Therefore, the present study aimed to investigate the influence of calcaneal inversion on pelvic and trunk alignment. [Subjects and Methods] A 3-dimensional motion analysis system was used to assess pelvic and trunk alignment in 10 healthy male subjects with unilateral and bilateral calcaneus inversion...
November 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29196821/the-predictive-value-of-mri-in-the-syndesmotic-instability-of-ankle-fracture
#14
Young Hwan Park, Min A Yoon, Won Seok Choi, Gi Won Choi, Suk Joo Hong, Hak Jun Kim
OBJECTIVE: Although many types of ankle fracture can be combined with syndesmosis injury, preoperative imaging studies rarely reveal instability of the syndesmosis. This study assessed the use of magnetic resonance imaging (MRI) for syndesmotic instability in patients with unstable ankle fracture. METHODS: A total of 74 patients who were treated for Lauge-Hansen supination external rotation/Weber B type fracture or pronation external rotation/Weber C type fracture and who underwent MRI for preoperative assessment were enrolled...
December 1, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29194431/characteristics-of-plantar-loads-during-walking-in-patients-with-knee-osteoarthritis
#15
Zhiwang Zhang, Lin Wang, Kaijun Hu, Yu Liu
BACKGROUND Knee osteoarthritis (KOA) is a common disease that can change the load on lower limbs during walking. Plantar loads in patients with KOA may provide a basis for clinical decisions regarding footwear and foot orthoses. This study aimed to compare plantar loads in females with and without KOA during gait. MATERIAL AND METHODS Plantar pressure during walking was recorded in 23 females with KOA and 23 females without KOA. Maximum force (MF), contact area (CA), and peak pressure (PP) were measured at 7 different regions underneath the foot, named heel (M1), midfoot (M2), first metatarsophalangeal joint (MPJ) (M3), second MPJ (M4), third to fifth MPJ (M5), hallux (M6), and lesser toes (M7)...
December 1, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29193820/osteology-and-radiological-anatomy-of-the-thoracic-limbs-of-temminck-s-ground-pangolin-smutsia-temminckii
#16
Christine Steyn, John T Soley, Martina R Crole
Temminck's ground pangolin is the only pangolin present in South Africa. It is a myrmecophagous mammal with a bipedal gait. The thoracic limbs are used to break open ant nests, dig for food and expand previously occupied burrows. This study describes the osteology and radiological anatomy of the thoracic limbs of this threatened species. Thoracic limbs from four Temminck's ground pangolins, which succumbed from electrocution or natural causes, were digitally radiographed in situ. The individual bones were then cleaned, described and digitally radiographed...
November 28, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29188140/forelimb-muscle-and-joint-actions-in-archosauria-insights-from-crocodylus-johnstoni-pseudosuchia-and-mussaurus-patagonicus-sauropodomorpha
#17
Alejandro Otero, Vivian Allen, Diego Pol, John R Hutchinson
Many of the major locomotor transitions during the evolution of Archosauria, the lineage including crocodiles and birds as well as extinct Dinosauria, were shifts from quadrupedalism to bipedalism (and vice versa). Those occurred within a continuum between more sprawling and erect modes of locomotion and involved drastic changes of limb anatomy and function in several lineages, including sauropodomorph dinosaurs. We present biomechanical computer models of two locomotor extremes within Archosauria in an analysis of joint ranges of motion and the moment arms of the major forelimb muscles in order to quantify biomechanical differences between more sprawling, pseudosuchian (represented the crocodile Crocodylus johnstoni) and more erect, dinosaurian (represented by the sauropodomorph Mussaurus patagonicus) modes of forelimb function...
2017: PeerJ
https://www.readbyqxmd.com/read/29182957/ankle-fracture-correlation-of-lauge-hansen-classification-and-patient-reported-fracture-mechanism
#18
Andrzej Boszczyk, Marcin Fudalej, Sławomir Kwapisz, Urszula Klimek, Marta Maksymowicz, Bartłomiej Kordasiewicz, Stefan Rammelt
INTRODUCTION: The genetic Lauge-Hansen classification is used for reconstruction of the mechanism of ankle injury. In this study, we addressed the question of agreement between the mechanism of the fracture as postulated by the Lauge-Hansen classification and mechanism reported by the patient in rotational ankle fractures. MATERIAL AND METHODS: Radiographs of 78 patients with acute malleolar fractures were analyzed and compared with fracture mechanisms reported by these patients...
November 21, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29179065/reaction-profiling-of-a-set-of-acrylamide-based-human-tissue-transglutaminase-inhibitors
#19
Mahmood H Jasim, Daniel L Rathbone
The major function of the enzyme human tissue transglutaminase (TG2) is the crosslinking of proteins via a transamidation between the γ-carboxamide of a glutamine and the ε-amino group of a lysine. Overexpression of TG2 can lead to undesirable outcomes and has been linked to conditions such as fibrosis, celiac disease and neurodegenerative diseases. Accordingly, TG2 is a tempting drug target. The most effective TG2 inhibitors to date are small-molecule peptidomimetics featuring electrophilic warheads that irreversibly modify the active site catalytic cysteine (CYS277)...
November 22, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/29177173/functional-outcome-of-resection-versus-reconstruction-in-mason-ii-iii-radial-head-fractures-a-short-term-prospective-study
#20
Pradeep Kumar Meena, Sahil Gaba, Sandesh Bobade, Rajendra Verma, Amrut Borade, Jayesh Sonaje, Ankit Chouhan
Objective: To compare the short-term functional outcome between resection and reconstruction in Mason Type II and Type III radial head fractures using Broberg and Morrey score. Methods: A prospective cohort study was conducted in the Department of Orthopedic Surgery of SMS Medical College and attached Hospitals. A total of 29 patients (15 in resection group, 14 in reconstruction group) between the age group of 20-60 years with Mason Type II and Type III fresh closed radial head fractures were included in the study...
October 2017: Bulletin of Emergency and Trauma
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