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https://www.readbyqxmd.com/read/28926814/one-year-persistence-of-individual-gait-patterns-identified-in-a-follow-up-study-a-call-for-individualised-diagnose-and-therapy
#1
F Horst, M Mildner, W I Schöllhorn
Although a hunch about the individuality of human movements generally exists, differences in gait patterns between individuals are often neglected. To date, only a few studies distinguished individual gait patterns in terms of uniqueness and emphasised the relevance of individualised diagnoses and therapy. However, small sample sizes have been a limitation on identifying subjects based on gait patterns, and little is known about the permanence of subject-specific characteristics over time. The purpose of this study was (1) to prove the uniqueness of individual gait patterns within a larger sample and (2) to prove the long-term permanence of individual gait patterns...
September 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28923661/the-influence-of-the-aquatic-environment-on-the-center-of-pressure-impulses-and-upper-and-lower-trunk-accelerations-during-gait-initiation
#2
Andresa R Marinho-Buzelli, Kei Masani, Hossein Rouhani, Ana M Barela, Gustavo T B Fernandes, Mary C Verrier, Milos R Popovic
Gait initiation is defined as the transition from stationary standing to steady-state walking. Despite the frequent use of therapy pools for training walking in early stages of rehabilitation, none have been reported on the effects of immersion on gait initiation. We aimed to analyze the center of pressure (COP) trajectories, the vertical and anteroposterior impulses and upper and lower trunk accelerations during anticipatory (APA) and execution phases of gait initiation. In the COP trajectory, the execution (EXE) phase was further subdivided in two phases: predominantly mediolateral (EXE1), and predominantly anteroposterior (EXE2)...
September 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28919167/back-off-the-effect-of-emotion-on-backward-step-initiation
#3
Daniëlle Bouman, John F Stins
The distance regulation (DR) hypothesis states that actors are inclined to increase their distance from an unpleasant stimulus. The current study investigated the relation between emotion and its effect on the control of backward step initiation, which constitutes an avoidance-like behavior. Participants stepped backward on a force plate in response to neutral, high-arousing pleasant and high-arousing unpleasant visual emotional stimuli. Gait initiation parameters and the results of an exploratory analysis of postural sway were compared across the emotion categories using significance testing and Bayesian statistics...
September 14, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28910314/the-variability-of-the-steps-preceding-obstacle-avoidance-approach-phase-is-dependent-on-the-height-of-the-obstacle-in-people-with-parkinson-s-disease
#4
Lucas Simieli, Lilian Teresa Bucken Gobbi, Diego Orcioli-Silva, Victor Spiandor Beretta, Paulo Cezar Rocha Santos, André Macari Baptista, Fabio Augusto Barbieri
Gait variability may serve as a sensitive and clinically relevant parameter to quantify adjustments in walking and the changes with aging and neurological disease. Variability of steps preceding obstacle avoidance (approach phase) are important for efficiency in the task, especially in people with Parkinson's disease (PD). However, variability of gait during the approach phase to obstacle avoidance in people with PD has been rarely reported, particularly when ambulating obstacles of different heights. The aim of the present study was to investigate the effects of obstacle height on step-to-step variability (step-to-step variability provides information on the variation between the "equivalent steps" for all trials, and walking variability (indicates the within-step variability of each, providing information about the modulations between the steps performed...
2017: PloS One
https://www.readbyqxmd.com/read/28906387/a-nearly-full-recovery-from-avm-hemorrhagic-stroke-17-years-after-insult-using-a-new-integrated-neurodevelopmental-approach-a-case-report
#5
Alberto J Friedmann
RATIONAL: With the prevalence of stroke increasing in the USA and the world along with increased survival and longevity due to medical advancements, it has become increasingly necessary to look at the chronic phase of stroke recovery. Previous paradigms of stroke treatment have proven ineffective when looking at 10, 15, or 20 years of survival post insult. PATIENT CONCERNS: The patient, being a young man just out of high school, was concerned with his overall morbidity...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28903771/novel-spatiotemporal-analysis-of-gait-changes-in-body-weight-supported-treadmill-trained-rats-following-cervical-spinal-cord-injury
#6
Nathan D Neckel
BACKGROUND: Common gait measures such as stride length, cycle time, and step height are not independent variables, but different aspects of the same multidimensional step. This complicates comparisons between experimental groups. Here we present a novel multidimensional gait analysis method and use this method to assess the ability of body weight supported treadmill training (BWSTT) to improve rodent stepping after spinal cord injury (SCI). METHODS: In lieu of reducing a step to a collection of gait measures and comparing the means of several of these, we developed a multidimensional analysis technique that compares the step as a whole...
September 13, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28901824/repeated-split-belt-treadmill-walking-improved-gait-ability-in-individuals-with-chronic-stroke-a-pilot-study
#7
Martina Betschart, Bradford J McFadyen, Sylvie Nadeau
This study investigated the effects of repeated split-belt treadmill (SBT) walking on gait ability in individuals poststroke. Twelve individuals with a first unilateral cerebral stroke (10 males; mean age 53 (SD 8.74); mean time poststroke 25 months (SD 23.5); 9 left-sided stroke) and initial step length (SL) asymmetry (ratio = 1.10-2.05) volunteered for the study. They were trained by physiotherapists from an outpatient rehabilitation center six times over 2-3 weeks using a SBT protocol. After only six sessions of training, all participants reduced their SL asymmetry from an average ratio of 1...
September 13, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28895897/accuracy-of-base-of-support-using-an-inertial-sensor-based-motion-capture-system
#8
Liangjie Guo, Shuping Xiong
The potential of miniature inertial sensors for human balance and gait analysis appears promising. Base of support (BOS), together with its interaction with center of mass, is a critical indicator in above mentioned research fields. This study aims to evaluate the accuracy of Xsens MVN BIOMECH, a commercial widely used inertial sensor-based motion capture system, for measuring static BOS and examine the effect of different task complexity on the accuracy. Eleven young males participated in this study and went through eleven different experimental tasks...
September 12, 2017: Sensors
https://www.readbyqxmd.com/read/28893921/randomized-controlled-trial-of-the-effect-of-dietary-potassium-restriction-on-nerve-function-in-ckd
#9
Ria Arnold, Timothy J Pianta, Bruce A Pussell, Adrienne Kirby, Kate O'Brien, Karen Sullivan, Margaret Holyday, Christine Cormack, Matthew C Kiernan, Arun V Krishnan
BACKGROUND AND OBJECTIVES: Neuromuscular complications are almost universal in CKD by the time that a patient commences dialysis. Recent studies have indicated that chronic hyperkalemia may contribute to the development of neuropathy in CKD. This study was undertaken to determine whether dietary restriction of potassium intake may be a neuroprotective factor in CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: A 24-month prospective, single-blind, randomized, controlled trial was undertaken in 47 consecutively recruited patients with stages 3 and 4 CKD...
September 11, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28892671/kinematic-and-kinetic-gait-deviations-in-males-long-after-anterior-cruciate-ligament-reconstruction
#10
Giovanni Milandri, Mike Posthumus, T J Small, Adam Bothma, Willem van der Merwe, Reshma Kassanjee, Sudesh Sivarasu
BACKGROUND: Biomechanical deviations long (approx. 5years) after anterior cruciate ligament reconstruction have not been quantified in males, despite their distinct risk profile as compared to females. These deviations can indicate altered joint loading during chronic, repetitive motions. METHODS: Cross-sectional study, comparing kinematic and kinetic variables between 15 male anterior cruciate ligament reconstructed patients and 15 healthy controls. During walking and running gait, measurements were taken of impact dynamics, knee and hip sagittal plane angles and moments, and knee varus angles and adduction moments...
July 29, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28892572/deconstructing-normal-pressure-hydrocephalus-ventriculomegaly-as-early-sign-of-neurodegeneration
#11
REVIEW
Alberto J Espay, Gustavo A Da Prat, Alok K Dwivedi, Federico Rodriguez-Porcel, Jennifer E Vaughan, Michela Rosso, Johnna L Devoto, Andrew P Duker, Mario Masellis, Charles D Smith, J George T Mandybur, Aristide Merola, Anthony E Lang
Idiopathic normal pressure hydrocephalus (NPH) remains both over-suspected on clinical grounds and under-confirmed when based on immediate and sustained response to cerebrospinal fluid diversion. Poor long-term post-shunt benefits and findings of neurodegenerative pathology in most patients with adequate follow up suggests that hydrocephalic disorders appearing in late adulthood may often result from initially unapparent parenchymal abnormalities. We critically review the NPH literature, highlighting the near universal lack of blinding and controls, the absence of specific clinical, imaging, or pathologic features, and the ongoing dependence for diagnostic confirmation on variable cutoffs of gait response to bedside fluid-drainage testing...
September 11, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28890663/cold-homes-fuel-poverty-and-energy-efficiency-improvements-a-longitudinal-focus-group-approach
#12
Charlotte N B Grey, Tina Schmieder-Gaite, Shiyu Jiang, Christina Nascimento, Wouter Poortinga
Cold homes and fuel poverty have been identified as factors in health and social inequalities that could be alleviated through energy efficiency interventions. Research on fuel poverty and the health impacts of affordable warmth initiatives have to date primarily been conducted using quantitative and statistical methods, limiting the way how fuel poverty is understood. This study took a longitudinal focus group approach that allowed exploration of lived experiences of fuel poverty before and after an energy efficiency intervention...
August 2017: Indoor + Built Environment: the Journal of the International Society of the Built Environment
https://www.readbyqxmd.com/read/28888598/effect-of-hoof-trimmer-intervention-in-moderately-lame-cows-on-lameness-progression-and-milk-yield
#13
A García-Muñoz, N Singh, C Leonardi, N Silva-Del-Río
The objective of this study was to evaluate the effect of hoof trimmer intervention (HTI) in moderately lame cows on lameness progression and milk yield. Two freestall Holstein herds were enrolled. Cows were milked 2 (herd A: 2,374 cows) or 3 (herd B: 2,800 cows) times a day. Within each dairy, moderately lame cows [locomotion score (LS) = 3 on a 5-point scale] were randomly assigned to control group (CON; herd A = 66, herd B = 84) or treatment group (HTI; evaluated and treated by the hoof trimmer under researchers' supervision; herd A = 73; herd B = 75)...
September 6, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28886079/associations-between-lower-limb-muscle-activation-and-knee-flexion-in-post-stroke-individuals-a-study-on-the-stance-to-swing-phases-of-gait
#14
Wei Wang, Ke Li, Shouwei Yue, Cuiping Yin, Na Wei
Reduced knee flexion is a leading feature of post-stroke gait, but the causes have not been well understood. The purpose of this study was to investigate the relationship between the knee flexion and the lower-limb muscle activation within the stance-to-swing phases of gait cycle in the post-stroke hemiplegic patients. Ten stroke patients and 10 age- and gender-matched healthy subjects participated in the experiment. The lower-limb kinematic signals and the surface electromyography (sEMG) signals of the left and right rectus femoris (RF), biceps femoris (BF) and lateral gastrocnemius (GS) were recorded during walking...
2017: PloS One
https://www.readbyqxmd.com/read/28884336/the-effects-of-constraining-vision-and-eye-movements-on-whole-body-coordination-during-standing-turns
#15
Rebecca K Robins, Mark A Hollands
Turning the body towards a new direction is normally achieved via a top-down synergy whereby gaze (eye direction in space) leads the upper body segments, which in turn lead the feet. These anticipatory eye movements are observable even in darkness and constraining the initial eye movements modifies the stereotyped top-down reorientation sequence. Our aim was to elucidate the relative contributions of vision and eye movements to whole-body coordination during large standing turns by observing the effects of separately removing visual information or suppressing eye movements throughout the turn...
September 7, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28881514/-phenotypic-and-genotypic-features-of-twenty-children-with-classic-pantothenate-kinase-associated-neurodegeneration
#16
J Zhou, J He, L P Kou, H C Feng, Y H Deng, Z B Zhang, L Zhou, J M Wang, Y W Jiang, Y Wu
Objective: To explore the phenotypic and genotypic characteristics in Chinese children with classic pantothenate kinase-associated neurodegeneration (PKAN). Method: The clinical, radiographic and genetic data of all PKAN patients diagnosed at pediatric department of Peking University First Hospital from November 2006 to December 2016 were retrospectively collected and analyzed. Result: Twenty patients with classic PKAN were included in the study. The median age at onset was 3.5 years (ranging from 1.0 to 10...
September 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28869901/transtibial-prosthetic-socket-shape-in-a-developing-country-a-study-to-compare-initial-outcomes-in-pressure-cast-hydrostatic-and-patella-tendon-bearing-designs
#17
Sheridan Laing, Noel Lythgo, Jim Lavranos, Peter Vee Sin Lee
This study compared the physical function and comfort level of patients with unilateral transtibial amputation after being fitted with a hand-cast Patella Tendon Bearing (PTB) socket and a pressure-cast (PCAST) hydrocast socket. The latter technique aims to reduce the skill dependency currently required for socket manufacture and fit. The study was conducted at the Vietnamese Training Centre for Orthopaedic Technologies and involved seventeen Vietnamese participants with unilateral transtibial amputation, all of whom were long term users of prosthetics...
August 18, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28869185/gait-variability-and-motor-control-in-patients-with-knee-osteoarthritis-as-measured-by-the-uncontrolled-manifold-technique
#18
Gwenllian Fflur Tawy, Philip Rowe, Leela Biant
Knee osteoarthritis (OA) causes pain, reduced muscular strength and stiffness of the affected joint. In response, the motor control mechanism is altered, potentially compromising stability during acts of daily living. Reduced walking stability can be quantified in terms of gait variability. This study therefore aimed to identify and quantify the effects of knee arthritis on gait variability. Fifty adults (25 males/25 females) with end-stage OA of the knee sufficiently symptomatic to require joint replacement, walked on a self-paced treadmill for 2min...
August 18, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28869091/potential-functional-benefit-from-light-intensity-physical-activity-in-knee-osteoarthritis
#19
Daniel K White, Jungwha Lee, Jing Song, Rowland W Chang, Dorothy Dunlop
INTRODUCTION: Knee pain may preclude participation in higher intensity physical activity in people with knee osteoarthritis and benefits of light activity are unclear. The effect of replacing sedentary time with light intensity activity on incident functional limitation 2 years later was investigated. METHODS: Included were people with or at high risk of knee osteoarthritis without baseline functional limitation using data from the Osteoarthritis Initiative collected between August 2008 and July 2010...
August 28, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28867667/long-term-effects-of-orthoses-use-on-the-changes-of-foot-and-ankle-joint-motions-of-spastic-cp-children
#20
Xue-Cheng Liu, David Embrey, Channing Tassone, Kim Zvara, Brenna Brandsma, Roger Lyon, Karin Goodfriend, Sergey Tarima, John Thometz
BACKGROUND: Orthoses are commonly prescribed to children with cerebral palsy (CP) in order to provide foot correction and to improve ambulatory function. Immediate effects of ankle foot orthosis (AFOs) have been investigated, but long term kinematic effects are lacking clinical evidence. OBJECTIVE: To determine changes in pediatric patients with Cerebral Palsy's 3D ankle and foot segment motion between initial, and follow up visits (18 month average time differences) in both barefoot gait and gait with their ankle foot orthotic (AFO)...
August 31, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
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