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https://www.readbyqxmd.com/read/28530504/functional-recovery-after-rotator-cuff-repair-the-role-of-biceps-surgery
#1
Bernardo Gialanella, Francesco Grossetti, Marina Mazza, Laura Danna, Laura Comini
CONTEXT: Surgical cuff repair is indicated in full-thickness rotator cuff tear when non-operative treatment fails. Surgical cuff repair can comprehend surgery of long head of the biceps when concomitant biceps pathology is present. However, the studies executed up to now do not have yet clearly defined if additional biceps surgery affects the shoulder functionality in patients who underwent rotator cuff repair. OBJECTIVE: The aim of this study is to verify if the concomitant biceps surgery prejudices the shoulder functionality during the short-term period in rotator cuff repair patients...
May 22, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28530500/sex-specific-links-in-motor-and-sensory-adaptations-to-repetitive-motion-induced-fatigue
#2
Zachary R Weber, Divya Srinivasan, Julie N Côté
The objectives of this study were to assess the sex-specific relationships between motor and sensory adaptations to repetitive arm motion-induced neck/shoulder fatigue, and measure how additional sensory stimulation affected these adaptations. Twenty-three participants performed two sessions of a repetitive pointing task until scoring 8 on the Borg CR10 scale for neck/shoulder exertion or for a maximum of 45min, with and without sensory stimulation (i.e. light touch) applied on the fatiguing shoulder. Just before reaching the task termination criteria, all participants showed changes in mean and variability of arm joint angles and experienced a five-fold increase in anterior deltoid (AD) sensory threshold in the stimulus-present condition...
May 22, 2017: Motor Control
https://www.readbyqxmd.com/read/28530477/reliability-and-validity-of-an-acromion-marker-cluster-for-recording-scapula-posture-at-end-range-clavicle-protraction-retraction-elevation-and-depression
#3
Yaheli Bet-Or, Wolbert van den Hoorn, Venerina Johnston, Shaun P O'Leary
Acromion Marker Cluster (AMC) methods have been shown to accurately track scapula motion during humeral elevation below 90°, however, their accuracy has not been assessed in shoulder girdle motion such as clavicle protraction, retraction, elevation and depression independent of humeral movement. The aim of this study was to examine the reliability and validity of the AMC method to record scapula orientation at end range clavicle protraction, retraction, elevation and depression. The right scapulae of twenty-two female and twenty male asymptomatic volunteers were assessed with an AMC and Scapula Locator (SL) method during end range clavicle protraction, retraction, elevation and depression (without humeral elevation) using an eight-camera 3D movement registration system...
May 22, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28530424/the-collection-of-historical-instruments-at-national-taiwan-university
#4
Lothar Spillmann, Su-Ling Yeh, Chien-Chung Chen, Keng-Cheng Liang, Shojiro Sakurai
This article presents three of the historical instruments from the National Taiwan University collection. The instruments were built between 1894 and 1902. The instruments are (1) Meumann's Largest Time Sense Apparatus, (2) Wundt's Pendulum Tachistoscope, and (3) Schumann's Wheel Tachistoscope. It is hoped that the presentation of these three historical instruments will serve a triple purpose: (a) to enable a greater appreciation of achievements of the scientists on whose shoulders we stand; (b) to illustrate the need for the time-consuming task of designing specialized apparatuses for a given experiment, typical at the time; and (c) to encourage a reflection on the mutual relationship between the instruments available, the questions asked, and the experiments done...
May 2017: History of Psychology
https://www.readbyqxmd.com/read/28529869/septic-arthritis-of-the-shoulder-with-proximal-humerus-osteomyelitis-treated-by-ilizarov-shoulder-arthrodesis
#5
John Kendall, Martin McNally
Septic arthritis of the shoulder can destroy the glenohumeral joint resulting in significant pain, instability and poor function. Surgical treatment is notoriously difficult with significant risk of complications. Shoulder arthrodesis has been performed using both internal and external fixation but has high complication rates in the presence of infection. We present our experience of managing a patient with significant pain and loss of function as a result of septic arthritis of the shoulder following infected proximal humeral fracture fixation with associated proximal humeral osteomyelitis...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28529867/efficacy-of-antibiotic-suppressive-therapy-in-patients-with-a-prosthetic-joint-infection
#6
Marjan Wouthuyzen-Bakker, Jasperina M Nijman, Greetje A Kampinga, Sander van Assen, Paul C Jutte
Introduction: For chronic prosthetic joint infections (PJI), complete removal of the infected prosthesis is necessary in order to cure the infection. Unfortunately, a subgroup of patients is not able to undergo a revision surgery due to high surgical risk. Alternatively, these patients can be treated with antibiotic suppressive therapy (AST) to suppress the infection. Aim: To evaluate the efficacy and tolerability of AST. Methods: We retrospectively collected data (period 2009-2015) from patients with a PJI (of hip, knee or shoulder) who were treated with AST at the University Medical Center Groningen, the Netherlands...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28529473/complete-locked-in-and-locked-in-patients-command-following-assessment-and-communication-with-vibro-tactile-p300-and-motor-imagery-brain-computer-interface-tools
#7
Christoph Guger, Rossella Spataro, Brendan Z Allison, Alexander Heilinger, Rupert Ortner, Woosang Cho, Vincenzo La Bella
Many patients with locked-in syndrome (LIS) or complete locked-in syndrome (CLIS) also need brain-computer interface (BCI) platforms that do not rely on visual stimuli and are easy to use. We investigate command following and communication functions of mindBEAGLE with 9 LIS, 3 CLIS patients and three healthy controls. This tests were done with vibro-tactile stimulation with 2 or 3 stimulators (VT2 and VT3 mode) and with motor imagery (MI) paradigms. In VT2 the stimulators are fixed on the left and right wrist and the participant has the task to count the stimuli on the target hand in order to elicit a P300 response...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28529010/aneurysmal-bone-cyst-healing-response-with-intramedullary-lengthening-nail
#8
Ahmet Emrah Acan, Onur Basci, Hasan Havitcioglu
We report the treatment process of a pediatric patient with deformity and shortening in the arm after a recurrent aggressive aneurysmal bone cyst (ABC) in the proximal humerus. The patient was treated with curettage of the lesion and lengthening on an intramedullary nail following an osteotomy just distal to the ABC. The period of lengthening was approximately 50 days. At the end of the treatment the lengthening goal was achieved without any neurovascular complication. There was a minimal loss in shoulder hyperabduction due to the deformity of the humeral head...
May 18, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28528627/physical-risk-factors-identification-based-on-body-sensor-network-combined-to-videotaping
#9
Nicolas Vignais, Fabien Bernard, Gérard Touvenot, Jean-Claude Sagot
The aim of this study was to perform an ergonomic analysis of a material handling task by combining a subtask video analysis and a RULA computation, implemented continuously through a motion capture system combining inertial sensors and electrogoniometers. Five workers participated to the experiment. Seven inertial measurement units, placed on the worker's upper body (pelvis, thorax, head, arms, forearms), were implemented through a biomechanical model of the upper body to continuously provide trunk, neck, shoulder and elbow joint angles...
May 18, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28528478/the-diagnosis-and-management-of-a-vertebral-artery-loop-causing-cervical-radiculopathy
#10
L Wood, M Czyz, S Forster, Bronek M Boszczyk
BACKGROUND: Cervical radiculopathies are rarely caused by vertebral artery loop formation, which is estimated to be present in less than 3% of patients. It is uncertain what causes the loop formation: some propose an association with spondylotic changes or trauma, whilst others suggest hypertension and atherosclerosis may be responsible. CASE REPORT 1: A 35-year-old male patient presented with signs and symptoms of cervical radiculopathy that was not improved with anterior cervical discectomy and fusion surgery performed 2 years beforehand...
May 20, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28528385/instability-of-the-long-head-of-the-biceps-tendon-in-patients-with-rotator-cuff-tear-evaluation-on-magnetic-resonance-arthrography-of-the-shoulder-with-arthroscopic-correlation
#11
Yusuhn Kang, Joon Woo Lee, Joong Mo Ahn, Eugene Lee, Heung Sik Kang
OBJECTIVES: To evaluate the diagnostic value of MR arthrography (MRA) in diagnosing instability of the LHBT in patients with rotator cuff tendon tear. MATERIALS AND METHODS: The MR arthrograms of 101 patients were retrospectively reviewed and correlated with arthroscopic findings as the standard reference. Images were evaluated for (1) the integrity of the LHBT, (2) the position of the LHBT (subluxation/dislocation on axial images, inferior displacement on oblique sagittal image) and (3) the integrity of the biceps pulley (SGHL, supraspinatus and subscapularis tendon adjacent to the rotator interval)...
May 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28528351/the-influence-of-critical-shoulder-angle-on-secondary-rotator-cuff-insufficiency-following-shoulder-arthroplasty
#12
Simone Cerciello, Andrew Paul Monk, Enrico Visonà, Stefano Carbone, Thomas Bradley Edwards, Nicola Maffulli, Gilles Walch
INTRODUCTION: Secondary cuff failure after shoulder replacement is disabling and often requires additional surgery. Increased critical shoulder angle (CSA) has been found in patients with cuff tear compared to normal subjects. The interobserver reliability of the CSA and the relationship between CSA and symptomatic secondary cuff failure after shoulder replacement were investigated. MATERIALS AND METHODS: Nineteen patients with symptomatic cuff failure after anatomic shoulder replacement (mean FU 45 months) were compared to a control group of 29 patients showing no signs of symptomatic cuff failure (mean FU 105...
May 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28528237/skin-deformation-during-shoulder-movements-and-upper-extremity-activities
#13
Weiqing Ge, Alison Sfara, Brittany Hians
BACKGROUND: The necessity of sternal precautions for patients following cardiac surgery with median sternotomy has been questioned by clinicians, researchers, and even patients. The primary purpose was to determine if sternal skin deformation during shoulder movements and upper extremity activities is compressive or distractive and if there are any significant differences between the skin deformation at different positions during shoulder movements and upper extremity activities. The secondary purpose was to determine if sternal skin deformation is correlated with scapular stabilizer muscle strength...
May 12, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28528016/the-influence-of-humeral-neck-shaft-angle-and-glenoid-lateralization-on-range-of-motion-in-reverse-shoulder-arthroplasty
#14
Birgit S Werner, Jean Chaoui, Gilles Walch
BACKGROUND: Recent developments in reverse shoulder arthroplasty (RSA) have focused on changes in several design-related parameters, including humeral component design, to allow for easier convertibility. Alterations in humeral inclination and offset on shoulder kinematics may have a relevant influence on postoperative outcome. This study used a virtual computer simulation to evaluate the influence of humeral neck shaft angle and glenoid lateralization on range of motion in onlay design RSA...
May 17, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28527394/elucidation-of-penetration-enhancement-mechanism-of-emu-oil-using-ftir-microspectroscopy-at-emira-laboratory-of-sesame-synchrotron
#15
Randa S H Mansour, Alsayed A Sallam, Imad I Hamdan, Enam A Khalil, Ibraheem Yousef
It has been proposed that Emu oil possesses skin permeation-enhancing effect. This study aimed to address its possible penetration enhancement mechanism(s) using IR microscopy, in accordance with LPP theory. The penetration of Emu oil through the layers of human skin was accomplished by monitoring oil-IR characteristic feature at 3006cm(-1). The unsaturated components of Emu oil accumulated at about 270μm depth of skin surface. The interaction of Emu oil with lipid and protein constituents of SC was investigated in comparison with a commonly used enhancer, IPM...
May 12, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28527365/variation-in-the-ovine-myf5-gene-and-its-effect-on-carcass-lean-meat-yield-in-new-zealand-romney-sheep
#16
Jiqing Wang, Huitong Zhou, Rachel H J Forrest, Jiang Hu, Xiu Liu, Shaobin Li, Yuzhu Luo, Jon G H Hickford
Myogenic factor 5 (MYF5) plays an important role in regulating skeletal muscle, but to date there have been no reports on whether the gene is variable and whether this variation is associated with meat yield in sheep. In this study, four variants (A to D) of ovine MYF5 containing two Single Nucleotide Polymorphisms (SNPs) and one basepair (bp) insertion/deletion were detected by Polymerase Chain Reaction - Single Stranded Conformational Polymorphism (PCR-SSCP) analysis. Breed differences in variant frequencies were observed...
May 11, 2017: Meat Science
https://www.readbyqxmd.com/read/28526423/pseudoparalysis-a-systematic-review-of-term-definitions-treatment-approaches-and-outcomes-of-management-techniques
#17
REVIEW
John M Tokish, Thomas C Alexander, Michael J Kissenberth, Richard J Hawkins
BACKGROUND: Pseudoparalysis remains one of the most challenging conditions in shoulder surgery. Long thought of as an unsolvable problem, recent advances in surgical techniques offer potential return of overhead motion in the setting of massive irreparable rotator cuff tears. This article summarizes the available literature including existing definitions and the results of different treatment approaches regarding range of motion, outcome scores, and reversal. METHODS: In accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic review of the MEDLINE database, Cochrane database, Physiotherapy Evidence Database, and Google Scholar database was performed for studies that defined a preoperative shoulder group as having pseudoparalysis...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28526422/temporary-ipsilateral-stiff-shoulder-after-operative-fixation-of-distal-radial-fractures
#18
Soo Min Cha, Hyun Dae Shin, Sung Jin Hwang
BACKGROUND: This study was conducted to identify variables affecting the development of temporary stiff shoulder after operative fixation for distal radial fractures (DRF). MATERIALS AND METHODS: The study retrospectively analyzed 167 patients who had undergone internal fixation using volar locking plate for DRF between 2010 and 2013. Group 1 was denoted as the "normal group," and group 2 was denoted as the "stiff shoulder group." Basic demographic factors evaluated included age, sex, bone mineral density (BMD), and the dominancy...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28526421/delayed-repair-of-distal-biceps-tendon-ruptures-is-successful-a-case-control-study
#19
John Haverstock, Ruby Grewal, Graham J W King, George S Athwal
BACKGROUND: The literature has shown an increased complication rate with a delay to surgical repair of acute distal biceps tendon ruptures; however, little has been documented regarding the outcome of delayed repairs. This case-control study compared a study cohort of delayed (>21 days) distal biceps tendon repairs with a control cohort repaired acutely (<21 days). METHODS: Sixteen delayed repair cases were reviewed and matched with acute controls (1:3) based on repair technique, age, and workers' compensation status...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28526267/neurological-heterotopic-ossification-current-understanding-and-future-directions
#20
Rhys D Brady, Sandy R Shultz, Stuart J McDonald, Terence J O'Brien
Neurological heterotopic ossification (NHO) involves the formation of bone in soft tissue following a neurological condition, of which the most common are brain and spinal cord injuries. NHO often forms around the hip, knee and shoulder joints, causing severe pain and joint deformation which is associated with significant morbidity and reduced quality of life. The cellular and molecular events that initiate NHO have been the focus of an increasing number of human and animal studies over the past decade, with this work largely driven by the need to unearth potential therapeutic interventions to prevent the formation of NHO...
May 16, 2017: Bone
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