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https://www.readbyqxmd.com/read/28641241/influence-of-shoulder-kinematic-estimate-on-joint-and-muscle-mechanics-predicted-by-musculoskeletal-model
#1
Yoann Blache, Mickael Begon
Little information is available in the existing literature regarding the influence of the scapular kinematic estimate method on musculoskeletal analysis. This study aimed to assess the propagation of errors due to the method used for scapular kinematics reconstruction in the workflow of musculoskeletal modeling (joint kinematics, joint torques, muscle force and joint reaction force) in shoulder and upper-limb movements. Two participants performed functional (arm elevation and rotation), daily life (eating and reaching pants pockets) and sports movements (a simulated throwing maneuver)...
June 15, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28641235/computer-aided-training-sensorimotor-cortex-functions-in-humans-before-the-upper-limb-transplantation-using-virtual-reality-and-sensory-feedback
#2
Marek Kurzynski, Anna Jaskolska, Jaroslaw Marusiak, Andrzej Wolczowski, Przemyslaw Bierut, Lukasz Szumowski, Jerzy Witkowski, Katarzyna Kisiel-Sajewicz
One of the biggest problems of upper limb transplantation is lack of certainty as to whether a patient will be able to control voluntary movements of transplanted hands. Based on findings of the recent research on brain cortex plasticity, a premise can be drawn that mental training supported with visual and sensory feedback can cause structural and functional reorganization of the sensorimotor cortex, which leads to recovery of function associated with the control of movements performed by the upper limbs. In this study, authors - based on the above observations - propose the computer-aided training (CAT) system, which generating visual and sensory stimuli, should enhance the effectiveness of mental training applied to humans before upper limb transplantation...
June 15, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28640883/an-artificial-emg-generation-model-based-on-signal-dependent-noise-and-related-application-to-motion-classification
#3
Akira Furui, Hideaki Hayashi, Go Nakamura, Takaaki Chin, Toshio Tsuji
This paper proposes an artificial electromyogram (EMG) signal generation model based on signal-dependent noise, which has been ignored in existing methods, by introducing the stochastic construction of the EMG signals. In the proposed model, an EMG signal variance value is first generated from a probability distribution with a shape determined by a commanded muscle force and signal-dependent noise. Artificial EMG signals are then generated from the associated Gaussian distribution with a zero mean and the generated variance...
2017: PloS One
https://www.readbyqxmd.com/read/28637143/validity-and-reliability-of-an-activity-monitor-to-quantify-arm-movements-and-activity-in-adults-following-distal-radius-fracture
#4
Andrea M Bruder, Jodie A McClelland, Nora Shields, Karen J Dodd, Raphael Hau, Alexander T M van de Water, Nicholas F Taylor
PURPOSE: To examine the validity and reliability of an activity monitor to estimate upper limb activity. METHODS: Thirty-two adults after distal radial fracture were recruited. 15 adults performed five upper limb activities during two testing sessions, one week apart to investigate criterion validity against the criterion reference of three-dimensional motion analysis, convergent validity, and test-retest reliability. 17 adults in two therapy groups wore monitors for three consecutive days at baseline and six weeks post-intervention...
February 23, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28634000/dose-dependent-effects-of-abobotulinumtoxina-dysport%C3%A2-on-spasticity-and-active-movements-in-adults-with-upper-limb-spasticity-secondary-analysis-of-a-phase-3-study
#5
Michael W O'Dell, Allison Brashear, Robert Jech, Thierry Lejeune, Philippe Marque, Djamel Bensmail, Ziyad Ayyoub, David M Simpson, Magali Volteau, Claire Vilain, Philippe Picaut, Jean Michel Gracies
BACKGROUND: AbobotulinumtoxinA has beneficial effects on spasticity and active movements in hemiparetic adults with upper limb spasticity (ULS). However, evidence-based information on optimal dosing for clinical use is limited. OBJECTIVE: To describe joint-specific dose effects of abobotulinumtoxinA in adults with ULS. DESIGN: Secondary analysis of a phase 3 study (NCT01313299). SETTING: Multi-center, international, double-blind, placebo-controlled clinical trial...
June 17, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28633737/linear-verrucous-hemangioma-of-the-upper-limb-a-rare-case
#6
Thansiha Nargis, Malcolm Pinto, Satish Bhat, Manjunath Shenoy M
Verrucous hemangioma is a rare, congenital vascular malformation of the cutaneous and subcutaneous tissue. It is usually present at birth and gradually increases in size and number with age; occasionally it presents in later adulthood. It has a predilection for the lower extremity and usually presents as warty or hyperkeratotic, bluish and partly confluent papules and plaques. Verrucous hemangioma occurring in a linear pattern is an even more uncommon presentation and very few cases have been reported. We report a boy with verrucous hemangioma localized to the left upper extremity in a linear pattern...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28633618/specialized-consultations-in-a-hospital-based-referral-center-for-patients-suspected-of-having-limb-lymphedema-impact-on-diagnosis
#7
Stéphane Vignes, Florence Vidal, Maria Arrault
Lymphedema, a chronic debilitating disease, is not always easily diagnosed. A total of 254 new patients ((217 women, 37 men), median (Q1-Q3) age 61 (46-72) years) were referred for suspected limb lymphedema to an exclusively lymphedema-dedicated department for a first consultation (January - March 2015) were included; among 118 with upper limb involvement, 100 (84.7%) were diagnosed with post-breast cancer therapy and four with primary lymphedemas; among 136 with lower limb involvement, 31 (22.8%) were diagnosed with primary lymphedemas and 35 (25...
June 1, 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28632524/callosal-motor-impersistence-a-novel-disconnection-syndrome
#8
Hee Jin Kim, Dongyeop Kim, Da-Heen Won, Juhee Chin, Kwang Ho Lee, Sang Won Seo, Kenneth M Heilman, Duk L Na
Motor impersistence, an inability to sustain a certain position or movement, is a motor-intentional disorder, caused more often by right than left hemisphere lesions. Since the right hemisphere is dominant for mediating motor persistence, callosal lesions that disconnect the left hemisphere from the right may induce impersistence of the right upper and lower limbs. After an undiagnosed left callosal infarction, a 65-year-old right-handed man suddenly developed a transient loss of volitional movement of his left leg...
June 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28632467/effects-of-a-single-session-of-transcranial-direct-current-stimulation-on-upper-limb-movements-in-children-with-cerebral-palsy-a-randomized-sham-controlled-study
#9
Renata Calhes Franco Moura, Cibele Santos, Luanda Collange Grecco, Giorgio Albertini, Veronica Cimolin, Manuela Galli, Claudia Oliveira
INTRODUCTION: Motor impairment in children with spastic hemiparetic cerebral palsy (CP) is generally more prominent in the affected upper limb, leading to limitations in hand function stemming from deficiencies in motor coordination and selective motor control as well as muscle weakness, slower execution of movements and deficient integration of sensory-motor information. OBJECTIVE: Determine the effect of a single session of anodal transcranial direct current stimulation (tDCS) combined with functional training on the spatiotemporal variables of upper arm movements in children with spastic hemiparesis...
February 25, 2017: Developmental Neurorehabilitation
https://www.readbyqxmd.com/read/28631958/-anything-that-makes-life-s-journey-better-exploring-the-use-of-digital-technology-by-people-living-with-motor-neurone-disease
#10
Esther V Hobson, Saima Fazal, Pamela J Shaw, Christopher J McDermott
Our aim was to explore the attitudes of those living with motor neuron disease towards digital technology. Postal and online questionnaires surveyed 83 people with MND (pwMND) and 54 friends and family members (fMND). Five pwMND and five fMND underwent semi-structured interviews. 82% of pwMND and 87% of fMND use technology every day with iPads and laptops being the devices most commonly used. pwMND used technology to help them continue to participate in everyday activities such as socialising, entertainment and accessing the internet...
February 20, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28631395/a-univariate-approach-to-sex-estimation-for-the-fragmentary-upper-limb
#11
Rosanne Bongiovanni, Carrie B LeGarde
Although there are numerous reliable multivariate models for sex estimation, many scenarios, both forensic and archaeological, result in the recovery of fragmentary remains, which prevents the collection of various standard measurements. The purpose of this research was to establish metric applications for sex estimation from the distal humerus and distal radius of European/American Whites and American Blacks. Data for this research were retrieved from a sample consisting of a larger database from multiple skeletal collections...
June 20, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28630829/are-we-justified-doing-salvage-or-amputation-procedure-based-on-mangled-extremity-severity-score-in-mangled-upper-extremity-injury
#12
R Siva Kumar, Prahalad Kumar Singhi, M Chidambaram
INTRODUCTION: Mangled upper limb injuries are at surge because of industrialization, modernization, and severe motor vehicle accidents. The utility of various scoring systems are meant for decision making in mangled lower limb injuries, and the same have been extrapolated for mangled upper limb injuries to make a decision of salvage or amputation for the lack of separate scoring system. MATERIALS AND METHODS: We applied mangled extremity severity score (MESS) and mangled extremity syndrome index (MESI) scoring systems to 10 cases of mangled upper limb injuries during the period of November 2010 to September 2012 presented at our tertiary trauma care center...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630772/severe-rhabdomyolysis-due-to-presumed-drug-interactions-between-atorvastatin-with-amlodipine-and-ticagrelor
#13
Iouri Banakh, Kavi Haji, Ross Kung, Sachin Gupta, Ravindranath Tiruvoipati
Atorvastatin and ticagrelor combination is a widely accepted therapy for secondary prevention of ischaemic heart disease. However, rhabdomyolysis is a well-known rare side effect of statins which should be considered when treatments are combined with cytochrome P450 3A4 enzyme inhibitors. We report a case of atorvastatin and ticagrelor associated severe rhabdomyolysis that progressed to multiorgan failure requiring renal replacement therapy, inotropes, intubation, and mechanical ventilation. Despite withdrawal of the precipitating cause and the supportive measures including renal replacement therapy, creatinine kinase increased due to ongoing rhabdomyolysis rapidly progressing to upper and lower limbs weakness...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28630233/motor-recovery-prediction-with-clinical-assessment-and-local-diffusion-homogeneity-after-acute-subcortical-infarction
#14
Gang Liu, Shuangquan Tan, Chao Dang, Kangqiang Peng, Chuanmiao Xie, Shihui Xing, Jinsheng Zeng
BACKGROUND AND PURPOSE: Initial clinical assessment or conventional diffusion tensor imaging parameters alone do not reliably predict poststroke recovery of motor function. Recently, local diffusion homogeneity (LDH) has been proposed to represent the local coherence of water molecule diffusion and can serve as a complementary marker for investigating white matter alterations of the brain. We aimed to determine whether a combination of initial clinical assessment and LDH could predict motor recovery after acute subcortical infarction...
June 19, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28630220/beyond-cervical-lipomas-myoclonus-gait-disorder-and-multisystem-involvement-leading-to-mitochondrial-disease
#15
Roberto López-Blanco, Ana Rojo-Sebastián, Maria Henedina Torregrosa-Martínez, Alberto Blazquez
Madelung's disease (benign symmetric lipomatosis) is a rare syndrome in which there are multiple lipomas around the neck, upper limbs and trunk in the context of chronic alcoholism. We report on a female patient with lipomas and slightly progressive myoclonus, neuropathy, myopathy, ataxia and respiratory systemic involvement (labelled in the past as Madelung's disease). Multisystem involvement and family history of lipomas led to the development of mitochondrial genetic tests, which can assess two concurrent mitochondrial mutations: the m...
June 19, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28629975/anatomical-and-functional-properties-of-the-foot-and-leg-representation-in-areas-3b-1-and-2-of-primary-somatosensory-cortex-in-humans-a-7t-fmri-study
#16
Michel Akselrod, Roberto Martuzzi, Andrea Serino, Wietske van der Zwaag, Roger Gassert, Olaf Blanke
Primary somatosensory cortex (S1) processes somatosensory information and is composed of multiple subregions. In particular, tactile information from the skin is encoded in three subregions, namely Brodmann areas (BAs) 3b, 1 and 2, with each area representing a complete map of the contralateral body. Although, much is known about the somatotopic organization of the hand in human S1, less research has been carried out regarding the somatotopic maps of the foot and leg in S1. Moreover, a latero-medial S1 organization along the superior part of the postcentral gyrus has been reported when moving from hip to toes, yet to date there is no study investigating leg/foot maps within the different subregions of S1...
June 16, 2017: NeuroImage
https://www.readbyqxmd.com/read/28629415/kaps-kinematic-assessment-of-passive-stretch-a-tool-to-assess-elbow-flexor-and-extensor-spasticity-after-stroke-using-a-robotic-exoskeleton
#17
Andrew Centen, Catherine R Lowrey, Stephen H Scott, Ting-Ting Yeh, George Mochizuki
BACKGROUND: Spasticity is a common sequela of stroke. Traditional assessment methods include relatively coarse scales that may not capture all characteristics of elevated muscle tone. Thus, the aim of this study was to develop a tool to quantitatively assess post-stroke spasticity in the upper extremity. METHODS: Ninety-six healthy individuals and 46 individuals with stroke participated in this study. The kinematic assessment of passive stretch (KAPS) protocol consisted of passive elbow stretch in flexion and extension across an 80° range in 5 movement durations...
June 19, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28628623/use-of-the-deka-arm-for-amputees-with-brachial-plexus-injury-a-case-series
#18
Linda Resnik, Christopher Fantini, Gail Latlief, Samuel Phillips, Nicole Sasson, Eve Sepulveda
OBJECTIVE: Patients with upper limb amputation and brachial plexus injuries have high rates of prosthesis rejection. Study purpose is to describe experiences of subjects with transhumeral amputation and brachial plexus injury, who were fit with, and trained to use, a DEKA Arm. METHODS: This was a mixed-methods study utilizing qualitative (e.g. interview, survey) and quantitative data (e.g. self-report and performance measures). Subject 1, a current prosthesis user, had a shoulder arthrodesis...
2017: PloS One
https://www.readbyqxmd.com/read/28628157/-biomechanical-analysis-of-the-deep-radioulnar-ligaments-stabilizing-the-distal-radioulnar-joint
#19
(no author information available yet)
OBJECTIVE: To evaluate the role of the deep radioulnar ligament in the stability of the distal radioulnar joint (DRUJ). METHODS: In the study, 14 fresh cadaver upper extremities were randomly divided into two groups. After exposuring the palmar and dorsal deep distal radioulnar ligament, one group was marked as palmar deep radioulnar ligament, and the other group was marked as dorsal deep radioulnar ligament. The pronator teres and the supinator were exposed. A Kirschner wire perpendicular to the bone on Lister tubercle of radius was inserted, then another Kirschner wire on the same level of ulnar inserted when the forearm was in neural position, which was kept parallel to the first Kirschner wire...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28627862/feasibility-and-efficacy-of-wearable-devices-for-upper-limb-rehabilitation-in-patients-with-chronic-stroke-a-randomized-controlled-pilot-study
#20
Li-Fong Lin, Yi-Jia Lin, Zi-Hao Lin, Li-Yun Chuang, Wei-Chun Hsu, Yuan-Hsiang Lin
BACKGROUND: Wearable devices based on inertial measurement units through wireless sensor networks have many applications such as real-time motion monitoring and functional outcome assessment of stroke rehabilitation. However, additional investigations are warranted to validate their clinical value, particularly in detecting the synergy patterns of movements after stroke. AIM: To explore the feasibility and efficacy of wearable devices for upper limb rehabilitation in patients with chronic stroke and to compare the intervention effects (e...
June 19, 2017: European Journal of Physical and Rehabilitation Medicine
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