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https://www.readbyqxmd.com/read/28227883/development-and-validation-of-thums-version-5-with-1d-muscle-models-for-active-and-passive-automotive-safety-research
#1
Hideyuki Kimpara, Yuko Nakahira, Masami Iwamoto, Hideyuki Kimpara, Yuko Nakahira, Masami Iwamoto, Hideyuki Kimpara, Masami Iwamoto, Yuko Nakahira
Accurately predicting the occupant kinematics is critical to better understand the injury mechanisms during an automotive crash event. The objectives of this study were to develop and validate a finite element (FE) model of the human body integrated with an active muscle model called Total HUman Model for Safety (THUMS) version 5, which has the body size of the 50th percentile American adult male (AM50). This model is characterized by being able to generate a force owing to muscle tone and to predict the occupant response during an automotive crash event...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28210066/effects-of-interactive-metronome-training-on-postural-stability-and-upper-extremity-function-in-parkinson-s-disease-a-case-study
#2
Arim Kim, Hye-Sun Lee, Chiang-Soon Song
[Purpose] The purpose of this study was to examine the effects of interactive metronome training on the postural stability and upper extremity function of an individual with Parkinson's disease. [Subject and Methods] The participant of this case study was a 75-year-old female with Parkinson's disease diagnosed 7 years prior. This study was a single-subject research with an A-B-A design. She received IM training during the treatment phase (B phase) for 40 minutes per session. She was assessed pretest and posttest using the Berg balance scale and Wolf motor function test, and at baseline and the treatment phase using the measured box-and-block test and a Tetrax system...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28183042/the-effect-of-asymmetrical-body-orientation-during-simulated-forward-falls-on-the-distal-upper-extremity-impact-response-of-healthy-people
#3
Timothy A Burkhart, Evan Brydges, Jennifer Stefanczyk, David M Andrews
The occurrence of distal upper extremity injuries resulting from forward falls (approximately 165,000 per year) has remained relatively constant for over 20years. Previous work has provided valuable insight into fall arrest strategies, but only symmetric falls in body postures that do not represent actual fall scenarios closely have been evaluated. This study quantified the effect of asymmetric loading and body postures on distal upper extremity response to simulated forward falls. Twenty participants were suspended from the Propelled Upper Limb fall ARest Impact System (PULARIS) in different torso and leg postures relative to the ground and to the sagittal plane (0°, 30° and 45°)...
January 27, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28182176/risk-factors-for-upper-extremity-musculoskeletal-disorders-among-office-workers-in-qom-province-iran
#4
Seyedeh Shohreh Alavi, Mahya Abbasi, Ramin Mehrdad
BACKGROUND: The identification of the risk factors for musculoskeletal disorders (MSDs) is the first step in designing effective preventive interventions. OBJECTIVES: To investigate the association between individual, organizational, physical, and psychological factors and upper extremity MSDs (i.e., shoulder, elbow and hand/wrist). MATERIALS AND METHODS: In this cross-sectional study, the study population was comprised of office workers from Qom Province, Iran...
October 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28163079/effect-of-haptic-input-on-standing-balance-among-individuals-with-incomplete-spinal-cord-injury
#5
Tarun Arora, Kristin E Musselman, Joel Lanovaz, Alison Oates
The present study investigated the effect of haptic input via light touch on standing balance of individuals with incomplete spinal cord injury (iSCI). Centre of pressure (COP) measures during standing were assessed in 16 participants with iSCI (13 males; 61.1±19.9years; C1-L4; AIS C and D) and 13 able-bodied (AB) participants (10 males; 59.4±19.7years). The effects of light touch (touch/no touch), vision (eyes open/closed), and group (iSCI/AB) on COP measures were assessed using a two-way mixed design MANOVA...
February 3, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28130081/an-exploratory-study-of-the-influence-of-posture-and-hand-task-on-corticomotor-excitability-of-upper-extremity-muscles-after-stroke
#6
Caroline Ie Renner, Sophia Hanna, Ricarda Ludwig, Balazs Lukats, Horst Hummelsheim
OBJECTIVE: To explore the interaction between postural stability and hand task on the corticospinal excitability (CE) of upper extremity muscles and how it is affected by lesion location. DESIGN: Cross-sectional explorative survey. SETTING: inpatient rehabilitation center PARTICIPANTS: Neurologically healthy subjects (volunteer sample, n=36) and patients with stroke (convenience sample, mean time since stroke=45 days), stratified according to lesion location: pure subcortical strokes (n=25), strokes with cortical involvement (n=20)...
January 24, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28063866/chemotherapy-induced-neuropathy-in-cancer-survivors
#7
Christine Miaskowski, Judy Mastick, Steven M Paul, Kimberly Topp, Betty Smoot, Gary Abrams, Lee-May Chen, Kord M Kober, Yvette P Conley, Margaret Chesney, Kay Bolla, Grace Mausisa, Melissa Mazor, Melisa Wong, Mark Schumacher, Jon D Levine
CONTEXT: Evidence suggests that chemotherapy-induced neuropathy (CIN) is a significant problem for cancer survivors. However, a detailed phenotypic characterization of CIN in cancer survivors is not available. OBJECTIVES: To evaluate between group differences in demographic and clinical characteristics, as well as in measures of sensation, function, and postural control, in a sample of cancer survivors who received a platinum and/or a taxane-based CTX regimen and did (n=426) and did not (n=197) develop CIN...
January 4, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/27988251/upper-extremity-deep-vein-thrombosis-in-a-triathlete-again-intense-endurance-exercise-as-a-thrombogenic-risk
#8
Ignacio Sancho-González, María Vicenta Bonilla-Hernández, David Ibañez-Muñoz, Davinia Vicente-Campos, José López Chicharro
Triathlon followers increase each year and long-distance events have seen major growth worldwide. In the cycling phase, athletes must maintain an aerodynamic posture on the bike for long periods of time. We report a case of a 38-year-old triathlete with symptoms of an axillary vein thrombosis 48h after a long triathlon competition. After 3days of hospitalization with a treatment consisted on enoxaparin anticoagulant and acenocumarol, the patient was discharged with instructions to continue treatment under home hospitalization with acetaminophen...
December 13, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27965567/biomechanical-reconstruction-using-the-tacit-learning-system-intuitive-control-of-prosthetic-hand-rotation
#9
Shintaro Oyama, Shingo Shimoda, Fady S K Alnajjar, Katsuyuki Iwatsuki, Minoru Hoshiyama, Hirotaka Tanaka, Hitoshi Hirata
Background: For mechanically reconstructing human biomechanical function, intuitive proportional control, and robustness to unexpected situations are required. Particularly, creating a functional hand prosthesis is a typical challenge in the reconstruction of lost biomechanical function. Nevertheless, currently available control algorithms are in the development phase. The most advanced algorithms for controlling multifunctional prosthesis are machine learning and pattern recognition of myoelectric signals...
2016: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/27942265/correlations-between-changes-in-undercarboxylated-osteocalcin-and-muscle-function-in-hypoparathyroidism
#10
Torben Harslof, Tanja Sikjaer, Leif Mosekilde, Bente L Langdahl, Lars Rejnmark
BACKGROUND: Muscles and bones are interconnected. Recent studies suggest that undercarboxylated osteocalcin from bone may affect muscle mass and strength. There are, however, no prospective human data on this relationship. METHODS: We previously treated patients with hypoparathyroidism with intact Parathyroid Hormone (PTH) or placebo in a six-month randomized, placebo-controlled trial and demonstrated a marked increase in undercarboxylated osteocalcin (ucOC) in the PTH-treated group...
July 2016: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27932534/perceptual-and-motor-performance-of-combat-sport-athletes-differs-according-to-specific-demands-of-the-discipline
#11
Wei-Ying Chen, Sheng K Wu, Tai-Fen Song, Kuei-Ming Chou, Kuei-Yuan Wang, Yao-Ching Chang, Patrick T Goodbourn
The specific demands of a combat-sport discipline may be reflected in the perceptual-motor performance of its athletes. Taekwondo, which emphasizes kicking, might require faster perceptual processing to compensate for longer latencies to initiate lower-limb movements and to give rapid visual feedback for dynamic postural control, while Karate, which emphasizes both striking with the hands and kicking, might require exceptional eye-hand coordination and fast perceptual processing. In samples of 38 Taekwondo athletes (16 females, 22 males; mean age = 19...
December 7, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27893477/an-evaluation-of-agonist-antagonist-strength-ratios-and-posture-among-powerlifters
#12
Paul T Cutrufello, Stephen J Gadomski, Nicholas A Ratamess
Cutrufello, PT, Gadomski, SJ, and Ratamess, NA. An evaluation of agonist:antagonist strength ratios and posture among powerlifters. J Strength Cond Res 31(2): 298-304, 2017-Powerlifters routinely focus on 3 exercises: bench press, squat, and deadlift. This focus may predispose them to the development of muscle imbalances in either the upper or lower extremity which might also influence posture. Therefore, the purpose of the present study was to examine the agonist:antagonist strength ratios and their relationship to postural measures among powerlifters...
February 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27855656/combined-focal-myoclonus-and-dystonia-secondary-to-a-cerebellar-hemorrhage-a-case-report
#13
Guangxun Shen, Guangxian Nan, Chae-Won Shin, Hyeyoung Park, Kwee-Yum Lee, Beomseok Jeon
BACKGROUND: Myoclonus is a clinical sign characterized by sudden, brief jerky, shock-like involuntary movements of a muscle or group of muscles. Dystonia is defined as a syndrome of sustained muscle contractions, frequently causing twisting and repetitive movements or abnormal postures. Cases of myoclonus or dystonia secondary to a structural lesion in the cerebellum have been reported. However, there has never been a reported case of combined myoclonus and dystonia secondary to a cerebellar lesion...
November 17, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27848067/validity-and-reliability-of-the-upper-extremity-work-demands-scale
#14
Nora W Jacobs, Redmar J Berduszek, Pieter U Dijkstra, Corry K van der Sluis
Purpose To evaluate validity and reliability of the upper extremity work demands (UEWD) scale. Methods Participants from different levels of physical work demands, based on the Dictionary of Occupational Titles categories, were included. A historical database of 74 workers was added for factor analysis. Criterion validity was evaluated by comparing observed and self-reported UEWD scores. To assess structural validity, a factor analysis was executed. For reliability, the difference between two self-reported UEWD scores, the smallest detectable change (SDC), test-retest reliability and internal consistency were determined...
November 15, 2016: Journal of Occupational Rehabilitation
https://www.readbyqxmd.com/read/27797806/genome-wide-association-study-in-essential-tremor-identifies-three-new-loci
#15
Stefanie H Müller, Simon L Girard, Franziska Hopfner, Nancy D Merner, Cynthia V Bourassa, Delia Lorenz, Lorraine N Clark, Lukas Tittmann, Alexandra I Soto-Ortolaza, Stephan Klebe, Mark Hallett, Susanne A Schneider, Colin A Hodgkinson, Wolfgang Lieb, Zbigniew K Wszolek, Manuela Pendziwiat, Oswaldo Lorenzo-Betancor, Werner Poewe, Sara Ortega-Cubero, Klaus Seppi, Alex Rajput, Anna Hussl, Ali H Rajput, Daniela Berg, Patrick A Dion, Isabel Wurster, Joshua M Shulman, Karin Srulijes, Dietrich Haubenberger, Pau Pastor, Carles Vilariño-Güell, Ronald B Postuma, Geneviève Bernard, Karl-Heinz Ladwig, Nicolas Dupré, Joseph Jankovic, Konstantin Strauch, Michel Panisset, Juliane Winkelmann, Claudia M Testa, Eva Reischl, Kirsten E Zeuner, Owen A Ross, Thomas Arzberger, Sylvain Chouinard, Günther Deuschl, Elan D Louis, Gregor Kuhlenbäumer, Guy A Rouleau
We conducted a genome-wide association study of essential tremor, a common movement disorder characterized mainly by a postural and kinetic tremor of the upper extremities. Twin and family history studies show a high heritability for essential tremor. The molecular genetic determinants of essential tremor are unknown. We included 2807 patients and 6441 controls of European descent in our two-stage genome-wide association study. The 59 most significantly disease-associated markers of the discovery stage were genotyped in the replication stage...
December 2016: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27761689/limitations-to-work-related-functioning-of-people-with-persistent-medically-unexplained-physical-symptoms-a-modified-delphi-study-among-physicians
#16
K H N Weerdesteijn, F G Schaafsma, A J van der Beek, J R Anema
Purpose The purpose of this study was to obtain consensus among physicians of several medical specialties on the level of limitations to work-related functioning of people with persistent "medically unexplained" physical symptoms (PPS). Methods A modified Delphi study was conducted with 15 physicians of five different medical specialties. The study involved two email rounds and one meeting. In each round, the physicians prioritized the level of limitations in 78 work-related functioning items for four different PPS cases...
October 19, 2016: Journal of Occupational Rehabilitation
https://www.readbyqxmd.com/read/27708983/overuse-cervical-dystonia-a-case-report-and-literature-review
#17
Elliot Hogg, Michele Tagliati
BACKGROUND: Overuse or task-specific dystonia has been described in a number of professions characterized by repetitive actions, typically affecting the upper extremities. Cervical dystonia (CD), however, has rarely been associated with overuse. CASE REPORT: We present a case report of typical CD that developed in the context of chronic repetitive movements associated with the patient's professional occupation as an office manager who spent many hours per day holding a phone to his ear...
2016: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/27635262/effects-of-seated-postural-stability-and-trunk-and-upper-extremity-strength-on-performance-during-manual-wheelchair-propulsion-tests-in-individuals-with-spinal-cord-injury-an-exploratory-study
#18
Dany H Gagnon, Audrey Roy, Sharon Gabison, Cyril Duclos, Molly C Verrier, Sylvie Nadeau
Objectives. To quantify the association between performance-based manual wheelchair propulsion tests (20 m propulsion test, slalom test, and 6 min propulsion test), trunk and upper extremity (U/E) strength, and seated reaching capability and to establish which ones of these variables best predict performance at these tests. Methods. 15 individuals with a spinal cord injury (SCI) performed the three wheelchair propulsion tests prior to discharge from inpatient SCI rehabilitation. Trunk and U/E strength and seated reaching capability with unilateral hand support were also measured...
2016: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/27633493/the-revised-strain-index-an-improved-upper-extremity-exposure-assessment-model
#19
Arun Garg, J Steven Moore, Jay M Kapellusch
The Revised Strain Index (RSI) is a distal upper extremity (DUE) physical exposure assessment model based on: intensity of exertion, frequency of exertion, duration per exertion, hand/wrist posture and duration of task per day. The RSI improves upon the 1995 Strain Index (SI) by using continuous rather than categorical multipliers, and replacing duty cycle with duration per exertion. In a simulation of 13,944 tasks, the RSI and 1995 SI showed good agreement in risk predictions for 1995 SI scores ≤3 (safe) and >13...
October 14, 2016: Ergonomics
https://www.readbyqxmd.com/read/27479191/elbow-kinematics-during-gait-improve-with-age-in-children-with-hemiplegic-cerebral-palsy
#20
Benjamin L Gordon, Aviva L Wolff, Aaron Daluiski
BACKGROUND: Children with hemiplegic cerebral palsy (hCP) exhibit a typical posture of elbow flexion during gait. However, the change in elbow kinematics and symmetry during gait across age span in both hCP and typically developing (TD) children is not well described. The aim of this study was to quantify the change in elbow kinematics and symmetry across age span in hCP children compared with TD children. METHODS: Upper extremity kinematic data were extracted and analyzed from a database for gait studies performed between 2009 and 2015...
July 29, 2016: Journal of Pediatric Orthopedics
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