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https://www.readbyqxmd.com/read/27917570/handwriting-difficulties-of-children-with-charcot-marie-tooth-disease-type-1a
#1
Daniel Kunovsky, Reinie Cordier, Paula Bray, Joshua Burns
Hand weakness and impaired manual dexterity have been reported in children with Charcot-Marie-Tooth disease type 1A (CMT1A). This early onset of upper limb involvement might explain frequent clinical referrals for assessment and treatment of impaired handwriting performance. The aim of this study was to examine the impact of CMT1A on handwriting speed and legibility, and identify demographic, anthropometric and physical measures that might relate to handwriting performance. Handwriting speed (Handwriting Speed Test), handwriting legibility (Evaluation Tool of Children's Handwriting-Cursive) and hand strength (hand-held dynamometry of tip pinch, lateral pinch and grip) were assessed in 30 children with CMT1A (aged 8-17 years) and 30 age- and sex-matched controls...
December 5, 2016: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/27903951/a-management-algorithm-for-retained-rectal-foreign-bodies
#2
Shamir O Cawich, Dexter A Thomas, Fawwaz Mohammed, Nahmorah J Bobb, Dorothy Williams, Vijay Naraynsingh
Few authors have proposed therapeutic protocols to manage retained rectal foreign bodies (RFBs). All patients with retained RFBs in hospitals across Trinidad and Tobago over 5 years were identified. Hospital records were retrieved and manually reviewed to extract the following data: demographics, history, foreign body retrieved, clinical signs at presentation, management strategy, duration of hospitalization, and morbidity and mortality. There were 10 patients with RFBs over the study period. The annual incidence of this phenomenon was 0...
November 29, 2016: American Journal of Men's Health
https://www.readbyqxmd.com/read/27861302/steerable-robot-assisted-micromanipulation-in-the-middle-ear-preliminary-feasibility-evaluation
#3
Rashid Yasin, Brendan P O'Connell, Haoran Yu, Jacob B Hunter, George B Wanna, Alejandro Rivas, Nabil Simaan
HYPOTHESIS: The use of a robotic manipulator with a dexterously orientable gripper will expand the ability of middle ear surgeons to perform precise tasks and access otherwise challenging anatomic regions. BACKGROUND: Middle ear surgery presents unique challenges because of the constrained operative space and limited access to certain anatomic regions. METHODS: A custom-designed robot with a sideways-reaching gripper was used to evaluate feasibility of manipulation tasks in different middle-ear anatomical zones...
November 17, 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27811155/olfaction-is-related-to-motor-function-in-older-adults
#4
Qu Tian, Susan M Resnick, Stephanie A Studenski
BACKGROUND: Among older adults, both olfaction and motor function predict future cognitive decline and dementia, suggesting potential shared causal pathways. However, it is not known whether olfactory and motor function are independently related in late life. METHODS: We assessed cross-sectional associations of olfaction with motor and cognitive function, using concurrent data on olfactory function, mobility, balance, fine motor function, manual dexterity, and cognition in 163 Baltimore Longitudinal Study of Aging participants aged 60 and older without common neurological diseases (n = 114 with available cognitive data)...
November 3, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/27806698/perceived-ability-to-perform-daily-hand-activities-after-stroke-and-associated-factors-a-cross-sectional-study
#5
Elisabeth Ekstrand, Lars Rylander, Jan Lexell, Christina Brogårdh
BACKGROUND: Despite that disability of the upper extremity is common after stroke, there is limited knowledge how it influences self-perceived ability to perform daily hand activities. The aim of this study was to describe which daily hand activities that persons with mild to moderate impairments of the upper extremity after stroke perceive difficult to perform and to evaluate how several potential factors are associated with the self-perceived performance. METHODS: Seventy-five persons (72 % male) with mild to moderate impairments of the upper extremity after stroke (4 to 116 months) participated...
November 2, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27793071/self-training-to-improve-ue-function-at-the-chronic-stage-post-stroke-a-pilot-randomized-controlled-trial
#6
Debbie Rand, Harold Weingarden, Ronit Weiss, Anat Yacoby, Shlomit Reif, Rachel Malka, David Andrew Shiller, Gabi Zeilig
BACKGROUND AND PURPOSE: On-going practice and use of the weaker upper extremity (UE) are important for maintaining and improving function in individuals with chronic stroke. The effectiveness of two self-training programs for UE function and daily-use was compared. METHODS: In this pilot, single-blinded clinical trial, individuals with chronic stroke were randomized to video-games or traditional self-training (1-hour/day, 6-times/week, 5 weeks). Assessments were performed pre-intervention (an average of two assessments), post-intervention, and at 4-week follow-up...
October 28, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27766732/kinematic-and-experimental-investigation-of-manual-resection-tools-for-transurethral-bladder-tumor-resection
#7
Nima Sarli, Tracy Marien, Christopher R Mitchell, Giuseppe Del Giudice, Mary S Dietrich, S Duke Herrell, Nabil Simaan
BACKGROUND: Transurethral Resection of Bladder Tumors (TURBT) is a challenging procedure partly due to resectoscope limitations. To date, manual resection performance has not been fully characterized. This work characterizes manual resection performance in the bladder while analyzing the effect of resection location on accuracy. METHODS: Kinematic simulations are used to assess kinematic measures of resection dexterity. An experimental protocol for manual resection accuracy assessment is developed...
October 20, 2016: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/27744268/growing-up-with-down-syndrome-development-from-6-months-to-10-7-years
#8
Jan Pieter Marchal, Heleen Maurice-Stam, Bregje A Houtzager, Susanne L Rutgers van Rozenburg-Marres, Kim J Oostrom, Martha A Grootenhuis, A S Paul van Trotsenburg
BACKGROUND: We analysed developmental outcomes from a clinical trial early in life and its follow-up at 10.7 years in 123 children with Down syndrome. AIMS: To determine 1) strengths and weaknesses in adaptive functioning and motor skills at 10.7 years, and 2) prognostic value of early-life characteristics (early developmental outcomes, parental and child characteristics, and comorbidity) for later intelligence, adaptive functioning and motor skills. METHODS AND PROCEDURES: We used standardized assessments of mental and motor development at ages 6, 12 and 24 months, and of intelligence, adaptive functioning and motor skills at 10...
October 13, 2016: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27743633/cross-cultural-adaptation-and-validation-of-the-japanese-version-of-the-toronto-extremity-salvage-score-tess-for-patients-with-malignant-musculoskeletal-tumors-in-the-upper-extremities
#9
Toru Akiyama, Kosuke Uehara, Koichi Ogura, Yusuke Shinoda, Shintaro Iwata, Kazuo Saita, Yoshikazu Tanzawa, Fumihiko Nakatani, Tsukasa Yonemoto, Hirotaka Kawano, Aileen M Davis, Akira Kawai
BACKGROUND: The Toronto Extremity Salvage Score (TESS) is a widely used disease-specific patient-completed questionnaire for the assessment of physical function in patients with musculoskeletal tumors; however, there had not been the validated Japanese version of the TESS. The aim of this study was to validate the Japanese version of the TESS in patients with musculoskeletal tumors in the upper extremity. METHODS: After developing a Japanese version of the TESS, the questionnaire was administered to 53 patients to examine its reliability and validity in comparison with the Musculoskeletal Tumor Society (MSTS) scoring system and Short Form-36 (SF-36)...
October 12, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27733748/motor-coordination-impairment-in-children-with-autism-spectrum-disorder-a-pilot-study-using-movement-assessment-battery-for-children-2-checklist
#10
Giulia Purpura, Francesca Fulceri, Vittoria Puglisi, Patrizia Masoni, Annarita Contaldo
BACKGROUND: Some research suggests that children with autism spectrum disorder (ASD) experience diverse motor difficulties that appear closely related to the severity of symptomatology, including repetitive behaviors. Therefore, motor assessment in ASD has crucial relevance in order to plan a specific intervention. The aim of this study is to assess and describe the motor functioning in school-aged children with ASD and to evaluate the relationship between their motor profile and clinical features...
October 12, 2016: Minerva Pediatrica
https://www.readbyqxmd.com/read/27733004/microsurgical-training-with-the-three-step-approach
#11
Emilio Trignano, Nefer Fallico, Gino Zingone, Luca Andrea Dessy, Gian Vittorio Campus
Background Microsurgery is very challenging, requiring a high degree of dexterity and manual skills that should be fully trained outside of the operating room. Common microsurgery courses usually follow a stepwise training approach beginning practice on nonliving models and proceeding with live rats. However, training on live rats raises certain issues, including ethical concerns as well as the associated costs. As such, there is an increasing drive toward alternative models. The current article describes a three-step training approach (latex glove-endovascular prosthesis-human placenta), which aims to prepare trainees for the clinical direct application...
October 12, 2016: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/27726751/high-resolution-mr-imaging-and-us-anatomy-of-the-thumb
#12
Udit Rawat, Jennifer L Pierce, Scott Evans, A Bobby Chhabra, Nicholas C Nacey
Despite having many unique anatomic features relative to the other digits, the thumb has received little attention in the radiology literature. The thumb, with its opposable and prehensile abilities, enables fine manual dexterity. However, most radiologists have little familiarity with the structures that allow these dynamic movements, other than their recognition of the role of the ulnar collateral ligament in the setting of gamekeeper injury. High-resolution magnetic resonance (MR) imaging allows optimal assessment of the intricate soft-tissue anatomy of the thumb, which enables thumb flexion, extension, abduction, and adduction...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27699480/regional-cerebellar-volumetric-correlates-of-manual-motor-and-cognitive-function
#13
Vincent Koppelmans, Yoo Young Hoogendam, Sarah Hirsiger, Susan Mérillat, Lutz Jäncke, Rachael D Seidler
Cerebellar volume declines with aging. Few studies have investigated age differences in regional cerebellar volume (RCV) and their association with motor and cognitive function. In 213 healthy older adults, we investigated the association of age with motor skills, cognition and RCV. Subsequently, we studied the association of RCV with motor skills and cognition. RCVs were derived from T1-weighted MRI scans using the automated SUIT segmentation method and clustered using principal component analysis (PCA). Motor skill (manual dexterity, tapping speed, bimanual visuomotor coordination, grip force) and cognition (mental rotation, verbal memory, inhibition, mental flexibility) were assessed...
October 3, 2016: Brain Structure & Function
https://www.readbyqxmd.com/read/27697550/the-cold-driver-cold-stress-while-driving-results-in-dangerous-behavior
#14
Drew M Morris, June J Pilcher
Cool vehicle cabin temperatures can induce short-term non-hypothermic cold stress. The current study created a cold condition to examine the impact of cold stress on driving behavior. Forty-four participants drove a high-fidelity driving simulator during a thermal neutral or local torso cooled condition. Participants performed additional tasks to assess attention, psychomotor vigilance, and manual dexterity. Skin temperature was significantly lower in the cold condition while internal temperature was unaffected...
October 2016: Biological Psychology
https://www.readbyqxmd.com/read/27695044/manual-loading-distribution-during-carrying-behaviors-implications-for-the-evolution-of-the-hominin-hand
#15
Alastair J M Key
The human hand is unparalleled amongst primates in its ability to manipulate objects forcefully and dexterously. Previous research has predominantly sought to explain the evolution of these capabilities through an adaptive relationship between more modern human-like anatomical features in the upper limb and increased stone tool production and use proficiency. To date, however, we know little about the influence that other manipulatively demanding behaviors may have had upon the evolution of the human hand. The present study addresses one aspect of this deficiency by examining the recruitment of the distal phalanges during a range of manual transportation (i...
2016: PloS One
https://www.readbyqxmd.com/read/27686512/assessment-of-perioperative-ultrasound-workflow-understanding-a-consensus
#16
Lu Yeh, Mario Montealegre-Gallegos, Feroze Mahmood, Philip E Hess, Marc Shnider, John D Mitchell, Stephanie B Jones, Azad Mashari, Vanessa Wong, Robina Matyal
OBJECTIVES: Understanding of the workflow of perioperative ultrasound (US) examination is an integral component of proficiency. Workflow consists of the practical steps prior to executing an US examination (eg, equipment operation). Whereas other proficiency components (ie, cognitive knowledge and manual dexterity) can be tested, workflow understanding is difficult to define and assess due to its contextual and institution-specific nature. The objective was to define the workflow components of specific perioperative US applications using an iterative process to reach a consensus opinion...
July 9, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/27665413/high-variability-of-individual-longitudinal-motor-performance-over-five-years-in-very-preterm-infants
#17
Anjo J W M Janssen, Rob A B Oostendorp, Reinier P Akkermans, Katerina Steiner, Louis A A Kollée, Maria W G Nijhuis-van der Sanden
AIM: To determine longitudinal motor performance in very preterm (VPT) infants from 6 months to 5 years of age for the entire cohort of infants, according to gender and gestational age and at the individual level. METHOD: Single-center, prospective longitudinal study of 201 VPT infants (106 boys) without severe impairments. OUTCOMES: Motor performance was assessed with the Bayley Scales of Infant Development (BSID-II-MS: 6, 12, 24 months) and the Movement Assessment Battery for Children (MABC-2-NL: 5 years)...
September 22, 2016: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27664867/combined-motor-point-associative-stimulation-mpas-and-transcranial-direct-current-stimulation-tdcs-improves-plateaued-manual-dexterity-performance
#18
Najmeh Hoseini, Felipe Munoz-Rubke, Hsuan-Yu Wan, Hannah J Block
Motor point associative stimulation (MPAS) in hand muscles is known to modify motor cortex excitability and improve learning rate, but not plateau of performance, in manual dexterity tasks. Central stimulation of motor cortex, such as transcranial direct current stimulation (tDCS), can have similar effects if accompanied by motor practice, which can be difficult and tiring for patients. Here we asked whether adding tDCS to MPAS could improve manual dexterity in healthy individuals who are already performing at their plateau, with no motor practice during stimulation...
October 28, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27639500/impaired-communication-between-the-motor-and-somatosensory-homunculus-is-associated-with-poor-manual-dexterity-in-autism-spectrum-disorder
#19
Abigail Thompson, Declan Murphy, Flavio Dell'Acqua, Christine Ecker, Grainne McAlonan, Henrietta Howells, Simon Baron-Cohen, Meng-Chuan Lai, Michael V Lombardo
BACKGROUND: Fine motor skill impairments are common in autism spectrum disorder (ASD), significantly affecting quality of life. Sensory inputs reaching the primary motor cortex (M1) from the somatosensory cortex (S1) are likely involved in fine motor skill and specifically motor learning. However, the role of these connections has not been directly investigated in humans. This study aimed to investigate, for the first time, the role of the S1-M1 connections in healthy subjects in vivo and whether microstructural alterations are associated with motor impairment in ASD...
July 1, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27619658/theta-burst-stimulation-over-premotor-cortex-in-parkinson-s-disease-an-explorative-study-on-manual-dexterity
#20
Tim Vanbellingen, Manuela Wapp, Katharina Stegmayer, Manuel Bertschi, Eugenio Abela, Stefanie Kübel, Thomas Nyffeler, René Müri, Sebastian Walther, Tobias Nef, Mark Hallett, Stephan Bohlhalter
Dorsal pre-motor cortex (PMd) is thought to play a role in fine motor control. The aim of the present study was to investigate whether inhibitory or excitatory stimulation of PMd would have an impact on manual dexterity in Parkinson's disease (PD). Fifteen patients with PD participated in this study. High resolution structural MRI was used for neuro-navigated TBS. Participants were targeted with one train of TBS in three experimental sessions: sham stimulation over vertex, continuous TBS (cTBS) over PMd and intermittent TBS (iTBS) over PMd, respectively...
December 2016: Journal of Neural Transmission
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