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https://www.readbyqxmd.com/read/28813942/robotic-assessment-of-the-contribution-of-motor-commands-to-wrist-position-sense
#1
Sara Contu, Francesca Marini, Lorenzo Masia
Assessing joint position sense for rehabilitation after neurological injury provides a prognostic factor in recovery and long-term functional outcomes. A common method for testing joint position sense involves the active replication of a joint configuration presented via a passive movement. However, recent evidence showed how this sense is mediated by the centrally generated signals of motor command, such that movements produced volitionally may be coded differently from passive movements and accuracy may be different when matching targets presented actively...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813902/hybrid-position-and-orientation-tracking-for-a-passive-rehabilitation-table-top-robot
#2
K K Wojewoda, P R Culmer, J F Gallagher, A E Jackson, M C Levesley
This paper presents a real time hybrid 2D position and orientation tracking system developed for an upper limb rehabilitation robot. Designed to work on a table-top, the robot is to enable home-based upper-limb rehabilitative exercise for stroke patients. Estimates of the robot's position are computed by fusing data from two tracking systems, each utilizing a different sensor type: laser optical sensors and a webcam. Two laser optical sensors are mounted on the underside of the robot and track the relative motion of the robot with respect to the surface on which it is placed...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813884/design-parameters-and-torque-profile-modification-of-a-spring-assisted-hand-opening-exoskeleton-module
#3
Nik R Butler, Stephen A Goodwin, Joel C Perry
There is a growing demand for functional rehabilitation orthotics that can effectively assist in patient recovery from motor impairments after stroke. The hand in particular is a complex system that has proven difficult to mimic with current exoskeleton technologies. This paper presents data-driven design parameters to increase the functionality and improve the assistance profile of the ArmAssist-2.0 hand module. Improvements from the previous model include adjustable linkages to fulfill the largest population of users, new joint locations to more accurately represent biomechanics of the hand, and a more impairment-appropriate torque profile to assist in hand opening, adjustable through interchangeable springs...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813870/upper-limb-training-assessment-program-using-passive-force-controllable-rehabilitation-system
#4
Takehito Kikuchi, Chihiro Sato, Kazuki Yamabe, Isao Abe, Tetsuya Ohno, Shintaro Kugimiya, Akio Inoue
Upper limb rehabilitation training for Hemiplegie patients has been conducted mainly by human therapists. Training methods and conditions depend strongly on their experience because of the wide range of individual differences between patients. The force control and sensing functions of rehabilitation robots are expected to be used for the qualitative assessment of next-generation computational rehabilitation. In this study, we developed a simple exercise machine for upper limbs (SEMUL) using an electro-rheological fluid brake, as a safe brake-type robotic rehabilitation system...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28811749/acute-cocoa-flavanols-intake-has-minimal-effects-on-exercise-induced-oxidative-stress-and-nitric-oxide-production-in-healthy-cyclists-a-randomized-controlled-trial
#5
Lieselot Decroix, Cajsa Tonoli, Danusa Dias Soares, Amandine Descat, Marie-José Drittij-Reijnders, Antje R Weseler, Aalt Bast, Wilhelm Stahl, Elsa Heyman, Romain Meeusen
BACKGROUND: Cocoa flavanols (CF) can stimulate vasodilation by improved nitric oxide (NO) synthesis and have antioxidant and anti-inflammatory capacities. This study aimed to examine whether acute CF intake can affect exercise-induced changes in antioxidant capacity, oxidative stress, inflammation and NO production, as well as exercise performance and recovery in well-trained cyclists. METHODS: Twelve well-trained male cyclists (mean ± SD age, VO2max: 30 ± 3 years, 63...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28810683/evaluating-the-physiological-and-perceptual-responses-of-wearing-a-newly-designed-cooling-vest-for-construction-workers
#6
Yijie Zhao, Wen Yi, Albert P C Chan, Francis K W Wong, Michael C H Yam
Construction workers are subjected to heat stress because of the hot environment, physically demanding tasks, and/or personal protective equipment. A tailor-made cooling vest that protects construction workers from heat-related injuries was developed. The purpose of the study is to examine a newly designed cooling vest's effectiveness in alleviating physiological and perceptual strain in a hot and humid environment. Twelve male participants performed two trials, i.e., cooling vest (VEST) and control (CON) in a climatic chamber controlled at 37°C temperature, 60% relative humidity, 0...
August 1, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28790551/bilateral-subcapital-femoral-neck-fracture-in-a-28-year-old-postpartum-woman
#7
Miroslav Kezunovic, Nikola Bulatovic, Vojin Kadic
INTRODUCTION: Subcapital femoral neck fractures are associated with high morbidity and mortality. These fractures mostly occur as a result of a high-force impact from traffic accidents and a fall from a great height, though non-traumatic forms are described in transient osteoporosis during the second half of pregnancy, in convulsions during electric shock, eclampsia, hypocalcemia, osteomalacia, renal osteodystrophy and myeloma. CASE REPORT: In this report we present a bilateral subcapital femoral neck fracture in a woman sustained two days after delivery...
April 2017: Medical Archives
https://www.readbyqxmd.com/read/28780817/-relationship-between-occupational-stress-recovery-experience-and-physiological-health-of-nurses-in-a-municipal-grade-a-tertiary-hospital
#8
L He, C L Zhang, T Yang, Y J Lan
Objective: To examine the relationship between recovery experience, occupational stress, and physiological health of nurses in a municipal grade A tertiary hospital. Methods: A total of 296 in-service nurses from 7 municipal grade A tertiary hospitals were selected from October 2015 to February 2016. Individual characteristics of the subjects were collected using a self-made questionnaire. The recovery experience, occupational stress, and physiological health of the subjects were assessed based on the physiological health dimensions in the Chinese version of Recovery Experience Questionnaire (REQ-C) , Job Content Questionnaire (JCQ) , and Quality of Work Life (QWL7-32) ...
June 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28777244/the-effect-of-a-sprint-interval-and-resistance-concurrent-exercise-training-program-on-aerobic-capacity-of-inactive-adult-women
#9
Lorena Salom Huffman, Shelby J Foote, Hayden Hyatt, James R McDonald, Danielle D Wadsworth, David D Pascoe
The purpose of this investigation was to examine the effects of high-intensity concurrent exercise training (CET) consisting of sprint intervals (SIT) and resistance exercise (RET) protocols on aerobic capacity in recreationally active, adult females. Fifty-three participants were pair-matched according to preliminary maximal aerobic capacity (VO2max) Bruce protocol assessment into level-grade (SIT0) or 6% incline (SIT6) groups. This 12-week intervention consisted of three CET sessions per week. SIT protocol consisted of 2 (weeks 1-6) then 3 (weeks 7-12) sets of three 40s sprints at specific intensities to evoke responses equivalent to 95% of age-predicted maximal heart rate (HR) interspersed with 20s of rest; with 1-minute of passive recovery between sets...
August 2, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28773939/surface-characterization-corrosion-resistance-and-in-vitro-biocompatibility-of-a-new-ti-hf-mo-sn-alloy
#10
Raluca Ion, Silviu Iulian Drob, Muhammad Farzik Ijaz, Cora Vasilescu, Petre Osiceanu, Doina-Margareta Gordin, Anisoara Cimpean, Thierry Gloriant
A new superelastic Ti-23Hf-3Mo-4Sn biomedical alloy displaying a particularly large recovery strain was synthesized and characterized in this study. Its native passive film is very thick (18 nm) and contains very protective TiO2, Ti2O3, HfO2, MoO2, and SnO2 oxides (XPS analysis). This alloy revealed nobler electrochemical behavior, more favorable values of the corrosion parameters and open circuit potentials in simulated body fluid in comparison with commercially pure titanium (CP-Ti) and Ti-6Al-4V alloy taken as reference biomaterials in this study...
October 4, 2016: Materials
https://www.readbyqxmd.com/read/28770512/immediate-intensive-mobilization-compared-with-immediate-conventional-mobilization-for-the-impacted-osteoporotic-conservatively-treated-proximal-humeral-fracture-a-randomized-controlled-trial
#11
S Carbone, C Razzano, P Albino, R Mezzoprete
PURPOSE: To select in a 2-year survey of proximal humerus fractures accessing the emergency department, a population of osteoporotic stable impacted fractures and to randomize them into two groups, one with an immediate intensive mobilization program and the other with an immediate conventional mobilization program. METHODS: In emergency department, patients with clinical signs of shoulder girdle fracture were submitted to standard X-ray examination and CT scan...
August 2, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28767637/osmotic-pressure-alters-time-dependent-recovery-behavior-of-the-intervertebral-disc
#12
Semih E Bezci, Grace D O'Connell
STUDY DESIGN: Disc recovery behavior under hypo- and hyper-osmotic pressure OBJECTIVE.: To evaluate the effect of osmotic pressure on the unloaded recovery response of healthy discs SUMMARY OF BACKGROUND DATA.: The intervertebral disc is a poroviscoelastic material that experiences large fluctuations in water composition throughout a diurnal loading cycle. Fluid flow out of the disc occurs through mechanical loading, while fluid flow into the disc occurs through passive diffusion due to an imbalance of ions between the disc and its surrounding environment...
August 1, 2017: Spine
https://www.readbyqxmd.com/read/28764792/deployment-and-use-of-mobile-phone-technology-for-real-time-reporting-of-fever-cases-and-malaria-treatment-failure-in-areas-of-declining-malaria-transmission-in-muheza-district-north-eastern-tanzania
#13
Filbert Francis, Deus S Ishengoma, Bruno P Mmbando, Acleus S M Rutta, Mwelecele N Malecela, Benjamin Mayala, Martha M Lemnge, Edwin Michael
BACKGROUND: Early detection of febrile illnesses at community level is essential for improved malaria case management and control. Currently, mobile phone-based technology has been commonly used to collect and transfer health information and services in different settings. This study assessed the applicability of mobile phone-based technology in real-time reporting of fever cases and management of malaria by village health workers (VHWs) in north-eastern Tanzania. METHODS: The community mobile phone-based disease surveillance and treatment for malaria (ComDSTM) platform, combined with mobile phones and web applications, was developed and implemented in three villages and one dispensary in Muheza district from November 2013 to October 2014...
August 1, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28761702/static-stretching-does-not-enhance-recovery-in-elite-youth-soccer-players
#14
Sam Pooley, Owen Spendiff, Matt Allen, Hannah J Moir
BACKGROUND: Static stretching (SS) is a recovery intervention used for the reduction of muscle soreness postexercise. The effects of SS on elite young footballers have received little attention, and therefore the aim of this study was to assess the effects of SS on muscle recovery following competitive soccer matches in elite young footballers. METHODS: Ten male participants (16±1 years) were recruited from an English Premier League professional soccer academy...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28756144/blood-oxygenation-level-dependent-functional-magnetic-resonance-imaging-in-early-days-correlation-between-passive-activation-and-motor-recovery-after-unilateral-striatocapsular-cerebral-infarction
#15
Long-Jiang Zhou, Wei Wang, Yi Zhao, Chun-Feng Liu, Xin-Jiang Zhang, Zhen-Sheng Liu, Hua-Dong Li
OBJECTIVE: This study aimed to investigate the correlation between the functional magnetic resonance imaging (fMRI) pattern and the motor function recovery of an affected limb during the passive movement of the affected limb at an early stage of the striatocapsular infarction (SCI). METHODS: A total of 17 patients with an acute stage of SCI and 3 healthy volunteers as controls were included in this study. fMRI scans of passive movement were performed on the affected limbs of stroke patients within 1 week of onset...
July 26, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28747930/parental-involvement-and-child-and-adolescent-eating-disorders-perspectives-from-residents-in-psychiatry-pediatrics-and-family-medicine
#16
Tamara Davidson Marcon, Laura Girz, Amanda Stillar, Carole Tessier, Adele Lafrance
OBJECTIVES: Best practice guidelines encourage the involvement of parents in the assessment and treatment of child/adolescent eating disorders (ED). This study investigated medical residents' perspectives regarding parental involvement as well as their expectations for future practice in the assessment and treatment of ED. METHOD: Five hundred and eighty-four medical residents from 17 Canadian residency programs specializing in family medicine, pediatrics, and psychiatry completed a web-based survey...
July 2017: Journal of the Canadian Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28747517/a-soft-robotic-exosuit-improves-walking-in-patients-after-stroke
#17
Louis N Awad, Jaehyun Bae, Kathleen O'Donnell, Stefano M M De Rossi, Kathryn Hendron, Lizeth H Sloot, Pawel Kudzia, Stephen Allen, Kenneth G Holt, Terry D Ellis, Conor J Walsh
Stroke-induced hemiparetic gait is characteristically slow and metabolically expensive. Passive assistive devices such as ankle-foot orthoses are often prescribed to increase function and independence after stroke; however, walking remains highly impaired despite-and perhaps because of-their use. We sought to determine whether a soft wearable robot (exosuit) designed to supplement the paretic limb's residual ability to generate both forward propulsion and ground clearance could facilitate more normal walking after stroke...
July 26, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28746853/ions-modulate-stress-induced-nanotexture-in-supported-fluid-lipid-bilayers
#18
Luca Piantanida, Hannah L Bolt, Neshat Rozatian, Steven L Cobb, Kislon Voïtchovsky
Most plasma membranes comprise a large number of different molecules including lipids and proteins. In the standard fluid mosaic model, the membrane function is effected by proteins whereas lipids are largely passive and serve solely in the membrane cohesion. Here we show, using supported 1,2-dioleoyl-sn-glycero-3-phosphocholine lipid bilayers in different saline solutions, that ions can locally induce ordering of the lipid molecules within the otherwise fluid bilayer when the latter is supported. This nanoordering exhibits a characteristic length scale of ∼20 nm, and manifests itself clearly when mechanical stress is applied to the membrane...
July 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28738910/on-line-processing-of-english-which-questions-by-children-and-adults-a-visual-world-paradigm-study
#19
Carla Contemori, Matthew Carlson, Theodoros Marinis
Previous research has shown that children demonstrate similar sentence processing reflexes to those observed in adults, but they have difficulties revising an erroneous initial interpretation when they process garden-path sentences, passives, and wh-questions. We used the visual-world paradigm to examine children's use of syntactic and non-syntactic information to resolve syntactic ambiguity by extending our understanding of number features as a cue for interpretation to which-subject and which-object questions...
July 25, 2017: Journal of Child Language
https://www.readbyqxmd.com/read/28737677/double-layer-compressive-sensing-based-efficient-doa-estimation-in-wsan-with-block-data-loss
#20
Peng Sun, Liantao Wu, Kai Yu, Huajie Shao, Zhi Wang
Accurate information acquisition is of vital importance for wireless sensor array network (WSAN) direction of arrival (DOA) estimation. However, due to the lossy nature of low-power wireless links, data loss, especially block data loss induced by adopting a large packet size, has a catastrophic effect on DOA estimation performance in WSAN. In this paper, we propose a double-layer compressive sensing (CS) framework to eliminate the hazards of block data loss, to achieve high accuracy and efficient DOA estimation...
July 22, 2017: Sensors
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