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https://www.readbyqxmd.com/read/29454289/walking-speed-measurement-with-an-ambient-measurement-system-ams-in-patients-with-multiple-sclerosis-and-walking-impairment
#1
Francois Bethoux, Jonathan S Varsanik, Timothy W Chevalier, Elkan F Halpern, Darlene Stough, Zebadiah M Kimmel
BACKGROUND: Walking speed is an important measure of gait impairment in multiple sclerosis (MS). The clinical assessment of walking speed requires dedicated time, space, and personnel, and may not accurately gauge real-world performance. The term "Ambient Measurement System" (AMS) refers to a new class of device that passively measures walking speed at home, without the need for dedicated space or specialized setup. This study compared an AMS, Echo5D, versus in-clinic standard measures of walking speed on a straight path...
February 8, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29453170/symmetry-of-cortical-planning-for-initiating-stepping-in-sub-acute-stroke
#2
Sue Peters, Tanya D Ivanova, Bimal Lakhani, Lara A Boyd, W Richard Staines, Todd C Handy, S Jayne Garland
OBJECTIVE: This study examined motor planning for stepping when the paretic leg was either stepping or standing (to step with the non-paretic leg), to understand whether difficulty with balance and walking post-stroke could be attributed to poor motor planning. METHODS: Individuals with stroke performed self-initiated stepping. Amplitude and duration of the movement-related cortical potential (MRCP) was measured from Cz. Electromyography (EMG) of biceps femoris (BF) and rectus femoris (RF) were collected...
February 1, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29452781/physical-training-maintains-or-improves-gait-ability-in-long-term-nursing-home-residents-a-systematic-review-of-randomized-controlled-trials
#3
REVIEW
Haritz Arrieta, Chloe Rezola-Pardo, Susana María Gil, Jon Irazusta, Ana Rodriguez-Larrad
Numerous studies have reported the benefits of physical exercise in older adults. However, studies performed in long-term nursing home (LTNH) residents are scarce. A literature search was conducted to identify physical exercise intervention studies that were randomized and controlled and that assessed gait ability in older LTNH residents using both walking speed and timed up-and-go (TUG) tests simultaneously. Together, these tests have been defined under the term "gait ability"; they are widely used to screen for impaired physical function, and can predict accelerated functional decline, difficulty with activities of daily living (ADL), falls, and disability in older adults...
March 2018: Maturitas
https://www.readbyqxmd.com/read/29452778/reproductive-history-and-physical-functioning-in-midlife-the-bogalusa-heart-study
#4
Emily W Harville, Wei Chen, Jack Guralnik, Lydia A Bazzano
OBJECTIVE: To examine the relationship between reproductive history, pregnancy complications, and later physical function. STUDY DESIGN: The Bogalusa Heart Study is a long-running study of cardiovascular health in a semirural community. 761 women were interviewed about their pregnancy history and complications, and underwent tests of physical function. Logistic models for dichotomous outcomes and linear models for continuous outcomes were used, adjusted for covariates...
March 2018: Maturitas
https://www.readbyqxmd.com/read/29451618/the-association-of-vitamin-d-levels-and-the-frailty-phenotype-among-non-geriatric-dialysis-patients-a-cross-sectional-study
#5
Demet Tekdos Demircioglu
OBJECTIVES: The aim of this study was to investigate the frequency of frailty and the association of vitamin D levels and the frailty phenotype among non-geriatric dialysis patients. METHOD: Seventy-four stable, chronic hemodialysis patients from the hemodialysis unit of the hospital were enrolled in the study. The patients' medical histories and laboratory findings were obtained from the medical records of the dialysis unit. Serum parathyroid hormone and 25-hydroxy vitamin D levels were determined using chemiluminometric immunoassays...
2018: Clinics
https://www.readbyqxmd.com/read/29450832/perceptual-modification-of-the-built-environment-to-influence-behavior-associated-with-physical-activity-quasi-experimental-field-studies-of-a-stair-banister-illusion
#6
Rich Masters, Catherine Capio, Jamie Poolton, Liis Uiga
BACKGROUND: Re-engineering the built environment to influence behaviors associated with physical activity potentially provides an opportunity to promote healthier lifestyles at a population level. Here we present evidence from two quasi-experimental field studies in which we tested a novel, yet deceptively simple, intervention designed to alter perception of, and walking behavior associated with, stairs in an urban area. OBJECTIVES: Our objectives were to examine whether adjusting a stair banister has an influence on perceptions of stair steepness or on walking behavior when approaching the stairs...
February 15, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29450566/unicompartmental-knee-arthroplasty-fails-to-completely-restore-normal-gait-patterns-during-level-walking
#7
Myung-Ku Kim, Jung-Ro Yoon, Se-Hyun Yang, Young-Soo Shin
PURPOSE: Gait analysis is a valuable instrument for measuring function objectively after unicompartmental knee arthroplasty (UKA). However, most gait analysis studies have reported conflicting results for functional assessment after UKA. This meta-analysis compared the gait patterns of UKA patients and healthy controls during level walking. METHODS: Studies were included in the meta-analysis if they recorded vertical ground reaction force (GRF), flexion at initial contact, flexion at loading response, extension at mid-stance, flexion at swing, walking speed, cadence, and stride length in UKA patients or healthy controls...
February 15, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29445330/non-neural-muscle-weakness-has-limited-influence-on-complexity-of-motor-control-during-gait
#8
Marije Goudriaan, Benjamin R Shuman, Katherine M Steele, Marleen Van den Hauwe, Nathalie Goemans, Guy Molenaers, Kaat Desloovere
Cerebral palsy (CP) and Duchenne muscular dystrophy (DMD) are neuromuscular disorders characterized by muscle weakness. Weakness in CP has neural and non-neural components, whereas in DMD, weakness can be considered as a predominantly non-neural problem. Despite the different underlying causes, weakness is a constraint for the central nervous system when controlling gait. CP demonstrates decreased complexity of motor control during gait from muscle synergy analysis, which is reflected by a higher total variance accounted for by one synergy (tVAF 1 )...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29445035/comparative-dynamics-of-microglial-and-glioma-cell-motility-at-the-infiltrative-margin-of-brain-tumours
#9
Joseph Juliano, Orlando Gil, Andrea Hawkins-Daarud, Sonal Noticewala, Russell C Rockne, Jill Gallaher, Susan Christine Massey, Peter A Sims, Alexander R A Anderson, Kristin R Swanson, Peter Canoll
Microglia are a major cellular component of gliomas, and abundant in the centre of the tumour and at the infiltrative margins. While glioma is a notoriously infiltrative disease, the dynamics of microglia and glioma migratory patterns have not been well characterized. To investigate the migratory behaviour of microglia and glioma cells at the infiltrative edge, we performed two-colour time-lapse fluorescence microscopy of brain slices generated from a platelet-derived growth factor-B (PDGFB)-driven rat model of glioma, in which glioma cells and microglia were each labelled with one of two different fluorescent markers...
February 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29444172/motor-and-psychosocial-impact-of-robot-assisted-gait-training-in-a-real-world-rehabilitation-setting-a-pilot-study
#10
Cira Fundarò, Anna Giardini, Roberto Maestri, Silvia Traversoni, Michelangelo Bartolo, Roberto Casale
In the last decade robotic devices have been applied in rehabilitation to overcome walking disability in neurologic diseases with promising results. Robot assisted gait training (RAGT) using the Lokomat seems not only to improve gait parameters but also the perception of well-being. Data on the psychosocial patient-robot impact are limited, in particular in the real-world of RAGT, in the rehabilitation setting. During rehabilitation training, the Lokomat can be considered an "assistive device for movement"...
2018: PloS One
https://www.readbyqxmd.com/read/29443024/battery-of-behavioral-tests-assessing-general-locomotion-muscular-strength-and-coordination-in-mice
#11
Karlaina Jl Osmon, Meera Vyas, Evan Woodley, Patrick Thompson, Jagdeep S Walia
Behavioral testing is used in pre-clinical trials to assess the phenotypic effects and outcomes that a particular disease or treatment has on the animal's wellbeing and health. There are numerous behavioral tests that may be applied. We selected a test for general locomotion, the open field test (OFT); a test for muscular strength, the mesh test (MT); and a test for coordination, the rotarod test (RR). Testing can be accomplished on a weekly or monthly basis. As a test for general locomotion, the OFT works by objectively monitoring movement parameters while the mouse is in an open field apparatus...
January 23, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29440881/immediate-synergistic-effect-of-a-trunk-orthosis-with-joints-providing-resistive-force-and-an-ankle-foot-orthosis-on-hemiplegic-gait
#12
Junji Katsuhira, Sumiko Yamamoto, Nodoka Machida, Yuji Ohmura, Masako Fuchi, Mizuho Ohta, Setsuro Ibayashi, Arito Yozu, Ko Matsudaira
Purpose: The synergistic effects of a trunk orthosis and an ankle-foot orthosis (AFO) in stroke patients with a hemiplegic gait are unclear. We previously developed a trunk orthosis with joints providing resistive force (TORF) to modify malalignment of the trunk and pelvis and confirmed its positive effects in stroke patients during level walking without an AFO. The aim of the present study was to determine if this trunk orthosis and an AFO have synergistic effects during level walking in community-dwelling patients with chronic stroke...
2018: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29439362/effects-of-transcranial-direct-current-stimulation-on-walking-ability-after-stroke-a-systematic-review-and-meta-analysis
#13
Yi Li, Jingjing Fan, Jingyi Yang, Chengqi He, Shasha Li
BACKGROUND: As a promising technique, transcranial direct current stimulation (tDCS) has gained so much attention in its potential effects on functional recovery of lower limb following stroke. However, individual studies have yielded inconsistent or conflicting results. OBJECTIVE: To investigate the efficacy and safety of tDCS for the functional recovery of lower limb following stroke reported in the randomized controlled trials by using a meta-analysis. METHODS: MEDLINE, EMBASE, CINAHL, PsycINFO, Web of Science, CENTRAL, and Physiotherapy Evidence Database was comprehensively searched for randomized controlled trials published until April 2017 that investigated the effects of tDCS on lower limb function...
2018: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29436477/combat-related-foot-injuries-impact-on-gait-and-functional-outcome
#14
Loes G M de Kruijff, M Prins, A van der Krans, R Hoencamp, P van der Wurff
INTRODUCTION: Prior to deployment of the Netherlands Army Task Force Urozgan in Afghanistan, the Dutch Military and civilian healthcare systems had limited experience in treating blast injuries and their long-term consequences. This meant that guidelines for treatment and rehabilitation were lacking. The aim of this cohort study was to quantify kinematic and kinetic abnormalities in service members with foot injuries in relation to functional outcome using gait analysis. METHOD: In nine service members with combat-related talus, calcaneus and/or navicular bone (TCN) fractures and nine controls, gait parameters were measured using Gait Real-Time Analysis Interactive Lab system...
February 7, 2018: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/29435642/german-version-of-the-community-balance-and-mobility-scale-translation-and-evaluation-of-measurement-properties
#15
Katharina Gordt, A Stefanie Mikolaizak, Corinna Nerz, Carolin Barz, Thomas Gerhardy, Michaela Weber, Clemens Becker, Michael Schwenk
BACKGROUND: Tools to detect subtle balance deficits in high-functioning community-dwelling older adults are lacking. The Community Balance and Mobility Scale (CBM) is a valuable tool to measure balance deficits in this group; however, it is not yet available in the German language. OBJECTIVE: The aim was 1) to translate and cross-culturally adapt the CBM into the German language and 2) to investigate the measurement properties of the German CBM (G-CBM). MATERIAL AND METHODS: The original CBM was translated into the German language according to established guidelines...
February 12, 2018: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/29434463/initial-outcomes-from-a-multicenter-study-utilizing-the-indego-powered-exoskeleton-in-spinal-cord-injury
#16
Candy Tefertiller, Kaitlin Hays, Janell Jones, Arun Jayaraman, Clare Hartigan, Tamara Bushnik, Gail F Forrest
Objective: To assess safety and mobility outcomes utilizing the Indego powered exoskeleton in indoor and outdoor walking conditions with individuals previously diagnosed with a spinal cord injury (SCI). Methods: We conducted a multicenter prospective observational cohort study in outpatient clinics associated with 5 rehabilitation hospitals. A convenience sample of nonambulatory individuals with SCI (N = 32) completed an 8-week training protocol consisting of walking training 3 times per week utilizing the Indego powered exoskeleton in indoor and outdoor conditions...
2018: Topics in Spinal Cord Injury Rehabilitation
https://www.readbyqxmd.com/read/29434422/validity-of-the-fitbit-one-for-measuring-activity-in-community-dwelling-stroke-survivors
#17
Jonathan Hui, Richard Heyden, Tim Bao, Nicholas Accettone, Catherine McBay, Julie Richardson, Ada Tang
Purpose: We determined the correlation between the Fitbit One and Actical accelerometer for quantifying the 3-day step count and activity levels in community-dwelling individuals with stroke. Method: Twelve participants with a mean age of 62.6 (SD 9.3) years wore both the Fitbit One and the Actical on the non-paretic ankle for 3 days. Regression analyses were performed to examine concurrent validity between the devices for step counts and sedentary, light, moderate, and vigorous activity. The relative error of the Fitbit One compared with the Actical in measuring step count was calculated...
2018: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/29434037/changes-in-the-flagellar-bundling-time-account-for-variations-in-swimming-behavior-of-flagellated-bacteria-in-viscous-media
#18
Zijie Qu, Fatma Zeynep Temel, Rene Henderikx, Kenneth S Breuer
Although the motility of the flagellated bacteria, Escherichia coli, has been widely studied, the effect of viscosity on swimming speed remains controversial. The swimming mode of wild-type E. coli is often idealized as a run-and-tumble sequence in which periods of swimming at a constant speed are randomly interrupted by a sudden change of direction at a very low speed. Using a tracking microscope, we follow cells for extended periods of time in Newtonian liquids of varying viscosity and find that the swimming behavior of a single cell can exhibit a variety of behaviors, including run and tumble and "slow random walk" in which the cells move at a relatively low speed...
February 6, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29433091/the-influence-of-lower-limb-impairments-on-racerunning-performance-in-athletes-with-hypertonia-ataxia-or-athetosis
#19
Marietta L van der Linden, Sadaf Jahed, Nicola Tennant, Martine H G Verheul
OBJECTIVES: RaceRunning enables athletes with limited or no walking ability to propel themselves independently using a three-wheeled running bike that has a saddle and a chest plate for support but no pedals. For RaceRunning to be included as a Para athletics event, an evidence-based classification system is required. Therefore, the aim of this study was to assess the association between a range of impairment measures and RaceRunning performance. METHODS: The following impairment measures were recorded: lower limb muscle strength assessed using Manual Muscle Testing (MMT), selective voluntary motor control assessed using the Selective Control Assessment of the Lower Extremity (SCALE), spasticity recorded using both the Australian Spasticity Assessment Score (ASAS) and Modified Ashworth Scale (MAS), passive range of motion (ROM) of the lower extremities and the maximum static step length achieved on a stationary bike (MSSL)...
February 5, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29430642/should-structured-exercise-be-promoted-as-a-model-of-care-dissemination-of-the-department-of-veterans-affairs-gerofit-program
#20
Miriam C Morey, Cathy C Lee, Steven Castle, Willy M Valencia, Leslie Katzel, Jamie Giffuni, Teresa Kopp, Heather Cammarata, Michelle McDonald, Kris A Oursler, Timothy Wamsley, Chani Jain, Janet P Bettger, Megan Pearson, Kenneth M Manning, Orna Intrator, Peter Veazie, Richard Sloane, Jiejin Li, Daniel C Parker
Exercise provides a wide range of health-promoting benefits, but support is limited for clinical programs that use exercise as a means of health promotion. This stands in contrast to restorative or rehabilitative exercise, which is considered an essential medical service. We propose that there is a place for ongoing, structured wellness and health promotion programs, with exercise as the primary therapeutic focus. Such programs have long-lasting health benefits, are easily implementable, and are associated with high levels of participant satisfaction...
February 12, 2018: Journal of the American Geriatrics Society
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