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Hand anatomy

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https://www.readbyqxmd.com/read/28230569/procedure-oriented-torsional-anatomy-of-the-hand-for-spasticity-injection
#1
Joslyn John, John Cianca, Faye Chiou-Tan, Sindhu Pandit, Erin Furr-Stimming, Katherine H Taber
OBJECTIVES: To provide musculoskeletal ultrasound (MSKUS) images of hand anatomy in the position of hemiparetic flexion as a reference for spasticity injections. After a stroke, spasticity can result in anatomic distortion of the hand. Spasticity may require treatment with botulinum toxin or phenol injections. Anatomic distortion may decrease the accuracy of injections. Standard anatomic references are of limited utility because they are not in this spastic hemiparetic position. There presently is no anatomic reference in the literature for these spastic postures...
February 23, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28228582/multi-digit-force-control-during-unconstrained-grasping-in-response-to-object-perturbations
#2
Abdeldjallil Naceri, Alessandro Moscatelli, Robert Haschke, Helge Ritter, Marco Santello, Marc O Ernst
Because of the complex anatomy of the human hand, in the absence of external constraints a large number of postures and force combinations can be used to attain a stable grasp. Motor synergies provide a viable strategy to solve this problem of motor redundancy. In this study, we exploited the technical advantages of an innovative sensorized object to study unconstrained hand grasping within the theoretical framework of motor synergies. Participants were required to grasp, lift, and hold the sensorized object...
February 22, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28224763/the-anatomy-of-helping-hands-why-medical-educators-volunteer
#3
Michael Malley, Marie Monaghan, Joanna K Dykes, Tania Bhaduri, Alison Dykes, Radhika Patel
No abstract text is available yet for this article.
February 22, 2017: Clinical Teacher
https://www.readbyqxmd.com/read/28218565/-total-laparoscopic-hysterectomy-with-the-coagulation-of-the-uterine-arteries-at-their-origin
#4
Rudolf Lampé, Csaba Móré, Ilona Fazekas, Róbert Póka
INTRODUCTION: Hysterectomy is one of the most frequently performed gynecological operations worldwide. Due to patient perceived advantages of technical development laparoscopic hysterectomy has become a widely used method. The attitude of patients, surgeons and service providers to laparoscopic procedures is not uniform, but total laparoscopic hysterectomy has prevailed due to its advantages from other types of laparoscopic hysterectomies. Coagulation of the uterine arteries at their origin during the standardized method of total laparoscopic hysterectomy provides further benefits for this procedure...
February 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28216461/pelvic-retroperitoneal-dissection-a-hands-on-primer
#5
REVIEW
Robert M Rogers, Resad Pasic Paya Pasic
This article is a personal perspective of female surgical pelvic anatomy and recommended surgical dissection techniques.
February 16, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28214463/bridging-the-gap-in-peripheral-nerve-repair
#6
Donato Perretta, Steven Green
Peripheral nerve injuries following trauma present an ongoing challenge to the hand surgeon. This review presents an overview of the topic with a historical perspective. Nerve anatomy and nerve injury classifications are discussed followed by a description of the biology of nerve regeneration. Methods used to bridge gaps in peripheral nerve repair are discussed in detail with a critical appraisal of the most recent literature. Recommendations for surgical treatment are formulated based on evidence-based medicine...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28205472/dynamic-ulnar-drift-of-single-digit-by-an-anomalous-accessory-extensor-tendon
#7
James R A Smith, Rouin Amirfeyz
Descriptions of multiple extensor slips and accessory extensor tendons of the hand are extensively published in the contemporary literature. Despite their varied anatomy, accessory tendons seldom have a functional implication for the patient. We report a case detailing a previously undescribed accessory extensor tendon of the hand, which resulted unusually in an aberration in the mechanics of a single digit. This was explored and corrected surgically, resulting in an excellent outcome for the patient.
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28196434/the-anatomy-of-wassel-type-iv-d-thumb-duplication
#8
B He, G Liu, G Nan
: We describe Wassel type IV-D thumb duplication anatomy after surgery on 11 affected children (12 hands, seven boys (eight hands) and four girls). We studied the structure and course of the flexor pollicis longus tendon and its action at the joint. Four patients had secondary deformity associated with an absent A2 pulley and a tendon that clung to the radial side of a small thumb. In patients with primary deformity, the flexor tendon sheath became membranous in the A2 area and attached to neighbouring sites on the opposite side of the proximal phalanx...
February 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28196230/association-between-the-probability-of-autism-spectrum-disorder-and-normative-sex-related-phenotypic-diversity-in-brain-structure
#9
Christine Ecker, Derek S Andrews, Christina M Gudbrandsen, Andre F Marquand, Cedric E Ginestet, Eileen M Daly, Clodagh M Murphy, Meng-Chuan Lai, Michael V Lombardo, Amber N V Ruigrok, Edward T Bullmore, John Suckling, Steven C R Williams, Simon Baron-Cohen, Michael C Craig, Declan G M Murphy
Importance: Autism spectrum disorder (ASD) is 2 to 5 times more common in male individuals than in female individuals. While the male preponderant prevalence of ASD might partially be explained by sex differences in clinical symptoms, etiological models suggest that the biological male phenotype carries a higher intrinsic risk for ASD than the female phenotype. To our knowledge, this hypothesis has never been tested directly, and the neurobiological mechanisms that modulate ASD risk in male individuals and female individuals remain elusive...
February 8, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28192130/ielvis-an-open-source-matlab-toolbox-for-localizing-and-visualizing-human-intracranial-electrode-data
#10
David M Groppe, Stephan Bickel, Andrew R Dykstra, Xiuyuan Wang, Pierre Mégevand, Manuel R Mercier, Fred A Lado, Ashesh D Mehta, Christopher J Honey
BACKGROUND: Intracranial electrical recordings (iEEG) and brain stimulation (iEBS) are invaluable human neuroscience methodologies. However, the value of such data is often unrealized as many laboratories lack tools for localizing electrodes relative to anatomy. To remedy this, we have developed a MATLAB toolbox for intracranial electrode localization and visualization, iELVis. NEW METHOD: iELVis uses existing tools (BioImage Suite, FSL, and FreeSurfer) for preimplant magnetic resonance imaging (MRI) segmentation, neuroimaging coregistration, and manual identification of electrodes in postimplant neuroimaging...
February 9, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28187096/a-call-for-new-communication-channels-for-gynecological-oncology-trainees-a-survey-on-social-media-use-and-educational-needs-by-the-european-network-of-young-gynecological-oncologists
#11
Kamil Zalewski, Kristina Lindemann, Michael J Halaska, Ignacio Zapardiel, Rene Laky, Elisabeth Chereau, David Lindquist, Stephan Polterauer, Vladislav Sukhin, Polat Dursun
OBJECTIVE: The aim of the study was to assess patterns in the use of social media (SM) platforms and to identify the training needs among European gynecologic oncology trainees. METHODS: In 2014, a web-based survey was sent to 633 trainees from the European Network of Young Gynaecological Oncologists (ENYGO) database. The 14-item questionnaire (partially using a 1- to 5-point Likert scale) assessed respondents' use of SM and preference for workshop content and organization...
March 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28185123/phalanx-fractures-and-dislocations-in-athletes
#12
REVIEW
Franklin Chen, David M Kalainov
PURPOSE OF REVIEW: Phalangeal fractures, dislocations, and fracture-dislocations in the hand are common injuries. We review the current literature on the diagnosis and treatment of these injuries in the athlete. An understanding of the anatomy and its relationship to the mechanism of injury may help to direct appropriate management. Return to play remains an important concern to the patient-athlete. RECENT FINDINGS: Findings from recently published articles reinforce previously established treatment methods in the management of finger phalangeal fractures, dislocations, and fracture-dislocations...
February 9, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28168520/creating-vascular-models-by-postprocessing-computed-tomography-angiography-images-a-guide-for-anatomical-education
#13
Figen Govsa, Mehmet Asim Ozer, Suzan Sirinturk, Cenk Eraslan, Ahmet Kemal Alagoz
BACKGROUND: A new application of teaching anatomy includes the use of computed tomography angiography (CTA) images to create clinically relevant three-dimensional (3D) printed models. The purpose of this article is to review recent innovations on the process and the application of 3D printed models as a tool for using under and post-graduate medical education. METHODS: Images of aortic arch pattern received by CTA were converted into 3D images using the Google SketchUp free software and were saved in stereolithography format...
February 6, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28160906/thumb-reconstruction-with-thin-proximal-ulnar-perforator-free-flap
#14
REVIEW
Mario Cherubino, Martina Corno, Luigi Valdatta, Roberto Adani
Soft tissue defects of the thumb with exposure of tendons, periosteum, or neurovascular bundles require a complex reconstruction aimed at restoring both skin coverage and the essential function of pinching and manipulation. When large defects are involved, a free tissue transfer is indicated. The proximal ulnar perforator flap represents an interesting solution without the drawbacks of other more widespread free flaps. This report describes the case of a patient with a squamous cell carcinoma of the thumb that required circumferential resection of the soft tissue of the distal phalanx and the interphalangeal joint...
February 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28154915/prolapse-symptoms-are-associated-with-abnormal-functional-anatomy-of-the-pelvic-floor
#15
Zeelha Abdool, Hans Peter Dietz, Barend Gerhardus Lindeque
INTRODUCTION AND HYPOTHESIS: The etiology of pelvic organ prolapse (POP) likely includes over-distension or tears (avulsion) of the levator ani muscle. However, there is a lack of studies evaluating the association between symptoms of POP and these factors. This study was designed to determine the association between POP symptoms and clinical prolapse stage on the one hand, and pelvic floor functional anatomy on the other hand. METHODS: This prospective observational study included 258 patients seen at a tertiary urogynecological unit with symptoms of POP as defined by pertinent ICIQ questions...
February 2, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28149207/intraneural-median-nerve-anatomy-and-implications-for-treating-mixed-median-nerve-injury-in-the-hand
#16
Michael J Franco, Dennis C Nguyen, Benjamin Z Phillips, Susan E Mackinnon
Background: Nerve transfers have resulted in increased interest in the microanatomy of peripheral nerves. Herein, we expand our understanding of the internal anatomy of the digital nerve to the ulnar index and long fingers, the radial long and ring fingers, and the nerves to the second and third web spaces. Methods: The median nerve was dissected from the digital nerves to the antecubital fossa in 14 fresh upper extremities. The distance of proximal internal neurolysis of the fascicles to the second and third web space and proper digital nerves was measured relative to the radial styloid...
December 2016: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28137437/pronation-and-supination-of-the-hand-anatomy-and-biomechanics
#17
M Soubeyrand, B Assabah, M Bégin, E Laemmel, A Dos Santos, M Crézé
Proper functioning of the hand relies on its capacity to rotate and point the palm upward (i.e. supination) or downward (i.e. pronation) when standing up with the elbow in 90° flexion. Hand rotation is possible because of forearm rotation and also rotation of the whole upper limb at the shoulder. Two distinct mechanisms contribute to hand rotation: one in which the ulna is immobile and another in which the ulna is mobile. In this review, we first summarize how evolution of the human species has led to the progressive development of specific forearm anatomy that allows for pronation and supination...
February 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28127792/learner-improvement-from-a-simulation-enhanced-ultrasonography-curriculum-for-first-year-medical-students
#18
Geoffrey T Miller, Mark W Scerbo, Samantha Zybak, Donald V Byars, Craig W Goodmurphy, Frank A Lattanzio, Barry J Knapp, Felicia Toreno, Alex Levitov, Sarah Shaves, Alfred Abuhamad
OBJECTIVES: We describe a simulation-enhanced ultrasonography (US) curriculum for first-year medical students as part of a comprehensive curricular integration of US skills. Our goal was to assess student knowledge and performance of US and determine their satisfaction with the integrated curriculum. METHODS: A committee of basic science, clinical, and interinstitutional faculty developed 7 educational US modules integrated into existing anatomy and physiology courses...
January 27, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28120632/learning-methods-and-strategies-of-anatomy-among-medical-students-in-two-different-institutions-in-riyadh-saudi-arabia
#19
Omar A Al-Mohrej, Noura K Al-Ayedh, Emad M Masuadi, Nader S Al-Kenani
BACKGROUND: Anatomy instructors adopt individual teaching methods and strategies to convey anatomical information to medical students for learning. Students also exhibit their own individual learning preferences. Instructional methods preferences vary between both instructors and students across different institutions. AIMS: In attempt to bridge the gap between teaching methods and the students' learning preferences, this study aimed to identify students' learning methods and different strategies of studying anatomy in two different Saudi medical schools in Riyadh...
January 25, 2017: Medical Teacher
https://www.readbyqxmd.com/read/28116269/mutilated-hand-due-to-sugarcane-machine-challenge-to-an-orthopaedician-case-series-of-three-patients
#20
Avijit Mahajan, Ravinder Kumar Khajuria
INTRODUCTION: Volumes have been written and practiced in relation to the crush injuries involving hands, over the decades. Mutilated hand and its treatment demands a thorough knowledge of rehabilitative techniques, and an in depth knowledge about the anatomy of hand, in order to achieve successful outcomes in its treatment. CASE PRESENTATION: We present three cases of mutilated hand due to being crushed in a sugarcane machine. All three patients were males, with the age of 14yrs, 30yrs and 34yrs respectively...
July 2016: Journal of Orthopaedic Case Reports
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