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gait variability

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https://www.readbyqxmd.com/read/27924492/progression-of-gait-ataxia-in-patients-with-degenerative-cerebellar-disorders-a-4-year-follow-up-study
#1
Mariano Serrao, Giorgia Chini, Carlo Casali, Carmela Conte, Martina Rinaldi, Alberto Ranavolo, Christian Marcotulli, Luca Leonardi, Gaia Fragiotta, Fabiano Bini, Gianluca Coppola, Francesco Pierelli
In the present study, the progression of gait impairment in a group of patients with primary degenerative cerebellar ataxias was observed over a period of 4 years. A total of 30 patients underwent an initial gait analysis study, and thereafter only 12 were evaluated because they completed the 2- and 4-year follow-up evaluations. Time-distance parameters, trunk and joint range of motion (RoM), and variability parameters (e.g., coefficients of variation) were measured at the baseline and at each follow-up evaluation...
December 6, 2016: Cerebellum
https://www.readbyqxmd.com/read/27919485/the-required-coefficient-of-friction-for-evaluating-gait-alterations-in-people-with-multiple-sclerosis-during-gait
#2
Ilaria Pacifici, Manuela Galli, Ana Francisca Rozin Kleiner, Federica Corona, Giancarlo Coghe, Elisabetta Marongiu, Andrea Loi, Antonio Crisafulli, Eleonora Cocco, Maria Giovanna Marrosu, Massimiliano Pau
BACKGROUND: Required Coefficient of Friction (RCOF) is one of the most critical gait parameters associated to the occurrence of slipping in individuals affected by neurological disorders characterized by balance impairments. This study aims to calculate RCOF in people with Multiple Sclerosis (MS) on the basis of three-dimensional Gait Analysis (GA) data. METHODS: This study enrolls 22 people with MS (pwMS) who were characterized by an Expanded Disability Status Score in the range 1...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27915225/development-of-a-novel-virtual-reality-gait-intervention
#3
Anna E Boone, Matthew H Foreman, Jack R Engsberg
INTRODUCTION: Improving gait speed and kinematics can be a time consuming and tiresome process. We hypothesize that incorporating virtual reality videogame play into variable improvement goals will improve levels of enjoyment and motivation and lead to improved gait performance. PURPOSE: To develop a feasible, engaging, VR gait intervention for improving gait variables. METHODS: Completing this investigation involved four steps: 1) identify gait variables that could be manipulated to improve gait speed and kinematics using the Microsoft Kinect and free software, 2) identify free internet videogames that could successfully manipulate the chosen gait variables, 3) experimentally evaluate the ability of the videogames and software to manipulate the gait variables, and 4) evaluate the enjoyment and motivation from a small sample of persons without disability...
November 14, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27914848/falls-cognitive-impairment-and-gait-performance-results-from-the-good-initiative
#4
Gilles Allali, Cyrille P Launay, Helena M Blumen, Michele L Callisaya, Anne-Marie De Cock, Reto W Kressig, Velandai Srikanth, Jean-Paul Steinmetz, Joe Verghese, Olivier Beauchet
OBJECTIVES: Falls are highly prevalent in individuals with cognitive decline. The complex relationship between falls and cognitive decline (including both subtype and severity of dementia) and the influence of gait disorders have not been studied. This study aimed to examine the association between the subtype (Alzheimer disease [AD] versus non-AD) and the severity (from preclinical to moderate dementia) of cognitive impairment and falls, and to establish an association between falls and gait parameters during the course of dementia...
November 30, 2016: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/27912103/gait-symmetry-in-individuals-with-and-without-developmental-coordination-disorder
#5
K Wilmut, J Gentle, A L Barnett
BACKGROUND: Symmetry between the left and right side of the body during locomotion is key in a coordinated gait cycle and is also thought to be important in terms of efficiency. Although previous studies have identified aspects of the gait cycle which are atypical in children and adults with Developmental Coordination Disorder (DCD), studies have not considered whether this could be explained by asymmetrical gait. METHOD AND PROCEDURE: The current study included 62 participants with and 62 without DCD (aged 7-34 years)...
November 29, 2016: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27909356/effects-of-three-weeks-of-whole-body-vibration-training-on-joint-position-sense-balance-and-gait-in-children-with-cerebral-palsy-a-randomized-controlled-study
#6
Myung-Sook Ko, Yon Ju Sim, Do Hyun Kim, Hye-Seon Jeon
Purpose : To observe the effects of whole-body vibration (WBV) training in conjunction with conventional physical therapy (PT) on joint-position sense (JPS), balance, and gait in children with cerebral palsy (CP). Methods: In this randomized controlled study, 24 children with CP were randomly selected either to continue their conventional PT or to receive WBV in conjunction with their conventional PT programme. Exposure to the intervention was intermittent (3 min WBV, 3 min rest) for 20 minutes, twice weekly for 3 weeks...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27899680/normative-tandem-gait-in-collegiate-student-athletes-implications-for-clinical-concussion-assessment
#7
Jessie R Oldham, Melissa S DiFabio, Thomas W Kaminski, Ryan M DeWolf, Thomas A Buckley
BACKGROUND: Impaired balance is common after concussion. The third edition of the Sport Concussion Assessment Tool (SCAT-3) recommends the Balance Error Scoring System (BESS) and/or tandem gait for postconcussion balance assessment. The limitations of the BESS are well documented; however, tandem gait has received little attention throughout concussion literature. The purpose of this study was to provide normative data for tandem gait in collegiate student-athletes based on sport type, concussion history, and gender...
November 29, 2016: Sports Health
https://www.readbyqxmd.com/read/27898386/mixture-model-clustering-of-pathological-gait-patterns
#8
Elham Dolatabadi, Avril Mansfield, Kara Patterson, Babak Taati, Alex Mihailidis
This study applies mixture-model clustering to spatiotemporal gait parameters in order to characterize the pathological gait pattern and to generate a composite measure indicative of overall gait performance. Gait data from sixty-eight adults with stroke (age: 61.513.6 years) and twenty healthy adults (age: 28.87.1 years) were used in this study. Participants performed 3 passes across a GAITRite mat at different time points following stroke (poststroke adults only). Mixture-model clustering grouped participants' gait patterns based on their spatiotemporal gait features including symmetry, speed, and variability...
November 24, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/27898374/the-effect-of-intracortical-bone-pin-application-on-kinetics-and-tibiocalcaneal-kinematics-of-walking-gait
#9
Christian Maiwald, Anton Arndt, Chris Nester, Richard Jones, Arne Lundberg, Peter Wolf
Bone anchored markers using intracortical bone pins are one of the few available methods for analyzing skeletal motion during human gait in-vivo without errors induced by soft tissue artifacts. However, bone anchored markers require local anesthesia and may alter the motor control and motor output during gait. The purpose of this study was to examine the effect of local anesthesia and the use of bone anchored markers on typical gait analysis variables. Five subjects were analyzed in two different gait analysis sessions...
November 4, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27890145/gait-adaptation-on-surfaces-with-different-degrees-of-slipperiness
#10
Wen-Ruey Chang, Chien-Chi Chang, Mary F Lesch, Simon Matz
Gait adaptation to employ different ways to avoid a potential slip is needed to continue walking safely on a new surface, especially when transitioning to a slippery surface. In this experiment, participants walked back and forth five times (trials) on surfaces with different degrees of slipperiness. The results show that trial 1 was significantly different from other trials for most of the dependent variables, especially for the low and high friction conditions. Kinematics on high and medium friction surfaces were very similar, but more adjustments were needed for low friction surfaces...
March 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/27885229/the-effects-of-the-employment-of-physical-therapists-and-occupational-therapists-on-the-gait-function-of-adult-day-service-users-after-1-year
#11
Yuta Hayashi, Shinnosuke Hato, Tatsuyuki Imada, Osamu Kobayashi, Tsutomu Abe, Takeshi Oonuma, Hiroyuki Shimada
OBJECTIVE: The present study aimed to investigate the effects of the presence or absence of physical therapists (PTs) and occupational therapists (OTs) in an adult day service on the users' gait function, and to generalize the format of an effective service aimed at the preventing the exacerbation of the gait function and at promoting self-reliance in activities and participation. METHODS: The study population included 830 elderly day service users (mean age, 83...
2016: Nihon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics
https://www.readbyqxmd.com/read/27883986/a-model-of-free-living-gait-a-factor-analysis-in-parkinson-s-disease
#12
Rosie Morris, Aodhán Hickey, Silvia Del Din, Alan Godfrey, Sue Lord, Lynn Rochester
INTRODUCTION: Gait is a marker of global health, cognition and falls risk. Gait is complex, comprised of multiple characteristics sensitive to survival, age and pathology. Due to covariance amongst characteristics, conceptual gait models have been established to reduce redundancy and aid interpretation. Previous models have been derived from laboratory gait assessments which are costly in equipment and time. Body-worn monitors (BWM) allow for free-living, low-cost and continuous gait measurement and produce similar covariant gait characteristics...
November 16, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27883044/predicting-the-location-of-the-hip-joint-centres-impact-of-age-group-and-sex
#13
Reiko Hara, Jennifer McGinley, Chris Briggs, Richard Baker, Morgan Sangeux
Clinical gait analysis incorporating three-dimensional motion analysis plays a key role in planning surgical treatments in people with gait disability. The position of the Hip Joint Centre (HJC) within the pelvis is thus critical to ensure accurate data interpretation. The position of the HJC is determined from regression equations based on anthropometric measurements derived from relatively small datasets. Current equations do not take sex or age into account, even though pelvis shape is known to differ between sex, and gait analysis is performed in populations with wide range of age...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27882360/static-and-dynamic-predictors-of-foot-progression-angle-in-individuals-with-and-without-diabetes-mellitus-and-peripheral-neuropathy
#14
Ericka N Merriwether, Mary K Hastings, Michael J Mueller, Kathryn L Bohnert, Michael J Strube, Darrah R Snozek, David R Sinacore
INTRODUCTION: Foot progression angle (FPA) is a predictor of elevated regional plantar stresses and loads, which are indicators of dermal injury risk in individuals with diabetes mellitus and peripheral neuropathy (DMPN). FPA accounts for 15-45% of the variance in plantar stresses and loads in adults with DMPN. However, the biomechanical factors underlying an "out-toeing" gait pattern in this clinical population have not been examined. The primary purpose of this study was to identify static and dynamic predictors of foot progression angle magnitude in adults with and without DMPN...
2016: Annals of Gerontology and Geriatric Research
https://www.readbyqxmd.com/read/27879960/effectiveness-of-music-based-interventions-on-motricity-or-cognitive-functioning-in-neurological-populations-a-systematic-review
#15
Lousin Moumdjian, Teppo Sarkamo, Carmela Leone, Marc Leman, Peter Feys
INTRODUCTION: Motor and cognitive symptoms are frequent in persons with neurological disorders and often require extensive long-term rehabilitation. Recently, a variety of musicbased interventions have been introduced into neurological rehabilitation as training tools. AIM: This review aims to a) describe and define music-based intervention modalities and content which are applied in experimental studies, and b) describe the effects of these interventions on motor and/or cognitive symptoms in the neurological population...
November 23, 2016: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27878949/dialytic-hemodynamics-are-associated-with-changes-in-gait-speed
#16
Dawn F Wolfgram, Zubin Lathara, Aniko Szabo, Jeff Whittle
Introduction Functional impairment and reduced mobility are prevalent in patients on chronic hemodialysis (HD). The impact of HD on physical performance and mobility needs evaluation. Methods We measured gait speed in a cohort of chronic HD patients both pre and post an HD session. We collected demographic and laboratory data and dialytic hemodynamic parameters for the HD session. Participants completed the Falls Efficacy Scale International (FES-I) survey to assess concern for falling. We used linear regression analysis to tests for associations between our predictor variables of intra-dialytic hemodynamic change and change in gait speed from pre to post HD (primary outcome) and FES-I score (secondary outcome)...
November 22, 2016: Hemodialysis International
https://www.readbyqxmd.com/read/27878442/clinical-and-neurophysiological-risk-factors-for-falls-in-patients-with-bilateral-vestibulopathy
#17
Roman Schniepp, Cornelia Schlick, Fabian Schenkel, Cauchy Pradhan, Klaus Jahn, Thomas Brandt, Max Wuehr
Patients with bilateral vestibular failure (BVF) exhibit imbalance when standing and walking that is linked to a higher fall risk. The purpose of this study was to identify risk factors for falls in BVF. We therefore systematically investigated the interrelationship of clinical and demographic characteristics, gait impairments, and the fall frequency of these patients. Clinical and demographic characteristics as well as quantitative measures of gait performance on a pressure-sensitive gait carpet were collected from 55 patients with different etiologies of BVF...
November 22, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27877137/an-extreme-mountain-ultra-marathon-decreases-the-cost-of-uphill-walking-and-running
#18
Gianluca Vernillo, Aldo Savoldelli, Spyros Skafidas, Andrea Zignoli, Antonio La Torre, Barbara Pellegrini, Guido Giardini, Pietro Trabucchi, Grégoire P Millet, Federico Schena
Purpose: To examine the effects of the world's most challenging mountain ultramarathon (MUM, 330 km, cumulative elevation gain of +24,000 m) on the energy cost and kinematics of different uphill gaits. Methods: Before (PRE) and immediately after (POST) the competition, 19 male athletes performed three submaximal 5-min treadmill exercise trials in a randomized order: walking at 5 km·h(-1), +20%; running at 6 km·h(-1), +15%; and running at 8 km·h(-1), +10%. During the three trials, energy cost was assessed using an indirect calorimetry system and spatiotemporal gait parameters were acquired with a floor-level high-density photoelectric cells system...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27877123/mobility-and-upright-posture-are-associated-with-different-aspects-of-cognition-in-older-adults
#19
Rajal G Cohen, Anita N Vasavada, Michelle M Wiest, Maureen Schmitter-Edgecombe
Objectives: Aging is associated with cognitive decline, including visuomotor and memory concerns, and with motor system changes, including gait slowing and stooped posture. We investigated the associations of visuomotor performance and episodic memory with motor system characteristics in healthy older adults. Methods: Neurologically healthy older adults (N = 160, aged 50-89) completed a battery of cognitive and motor tasks. Cognitive variables were grouped by principal components analysis (PCA) into two components: visuomotor performance and verbal episodic memory...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27876063/early-and-delayed-assessments-of-quantitative-gait-measures-to-improve-the-tap-test-as-a-predictor-of-shunt-effectiveness-in-idiopathic-normal-pressure-hydrocephalus
#20
Masatsune Ishikawa, Shigeki Yamada, Kazuo Yamamoto
BACKGROUND: To improve the diagnostic performance of the cerebrospinal fluid (CSF) tap test (TT), early and delayed assessments of gait were performed after the removal of 30 ml of CSF in patients with probable idiopathic normal pressure hydrocephalus. Assessments of gait included the 3-m timed up and go test (TUG), and the 10-m walk in time (10Ti) and in step (10St) tests. METHODS: Quantitative data for the TUG, the 10Ti, and the 10St were obtained before CSF removal and on days 1 and 4 after removal of 30 ml CSF...
November 22, 2016: Fluids and Barriers of the CNS
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