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postural stability in parkinsons disease

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https://www.readbyqxmd.com/read/28753030/efficacy-of-combined-treatment-with-acupuncture-and-bee-venom-acupuncture-as-an-adjunctive-treatment-for-parkinson-s-disease
#1
Seung-Yeon Cho, Young-Eun Lee, Kyeong-Hee Doo, Ji-Hyun Lee, Woo-Sang Jung, Sang-Kwan Moon, Jung-Mi Park, Chang-Nam Ko, Ho Kim, Hak Young Rhee, Hi-Joon Park, Seong-Uk Park
OBJECTIVE: The aim of this study was to evaluate the efficacy of acupuncture and bee venom acupuncture (BVA) for idiopathic Parkinson's disease (IPD) through a sham-controlled trial. We also investigated whether there is a sustained therapeutic effect by completing follow-up assessments after treatment completion. DESIGN: A single center, double-blind, three-armed randomized controlled trial. SETTINGS/LOCATION: This study was performed at a university hospital in Seoul, Republic of Korea...
July 28, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28749970/effectiveness-of-physical-activity-on-patients-with-depression-and-parkinson-s-disease-a-systematic-review
#2
Pei-Ling Wu, Megan Lee, Tzu-Ting Huang
AIM: In this paper we aimed to systematically review the literature on physical activity's effect on depressive symptoms in Parkinson disease. BACKGROUND: Depression is a common symptom of Parkinson's disease and is associated with increased disability, rapid progression of motor symptoms, mortality, and adverse effects on Quality of Life. DESIGN: A systematic review of primary research was undertaken and conducted according to the Preferred Reporting Items for Systematic Reviews...
2017: PloS One
https://www.readbyqxmd.com/read/28740852/body-posture-postural-stability-and-metabolic-age-in-patients-with-parkinson-s-disease
#3
Jacek Wilczyński, Agnieszka Pedrycz, Dariusz Mucha, Tadeusz Ambroży, Dawid Mucha
BACKGROUND: The study aims to analyze the relationship between body posture and composition, as well as postural stability in Parkinson's disease patients. MATERIAL AND METHODS: 32 people were evaluated. The study was conducted in the Laboratory of Posturology at Jan Kochanowski University in Kielce (Poland). Body posture was examined using the optoelectronic body posture Formetric Diers Method III 4D. Postural stability was evaluated using the Biodex Balance System platform...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28709904/the-effects-of-gaze-stabilization-on-gait-parameters-in-individuals-with-parkinson-s-disease
#4
Rebecca J Reed-Jones, Douglas W Powell
The purpose of this study was to examine the effects of gaze fixation on head stabilization and gait during straight over ground walking in individuals with Parkinson's disease (PD). Eight individuals with PD (Age: 62.3±8.1 years) volunteered for the study. Full body kinematic data were collected at 120Hz using a Vicon motion capture system. Two visual conditions were used to determine the effects of gaze fixation: FREE gaze and FIXED gaze. During FIXED gaze, participants were required to fixate on a still target 13m ahead...
August 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28688367/postural-motor-learning-in-parkinson-s-disease-the-effect-of-practice-on-continuous-compensatory-postural-regulation
#5
Karen Van Ooteghem, James S Frank, Fay B Horak
INTRODUCTION: Although balance training is considered the most effective treatment for balance impairments in Parkinson's disease (PD), few studies have examined if learning for balance control remains intact with PD. This study aimed to determine if learning for automatic postural responses is preserved in people with PD. METHODS: Eleven participants with moderate PD (68±6.4years; H&Y: 2-3) on their usual medication maintained balance on a platform that oscillated forward and backward with variable amplitude and constant frequency...
June 28, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28635875/-disturbances-of-gait-and-postural-stability-in-chronic-cerebral-ischemia
#6
N N Vakhnina, V V Zakharov
Disturbances of gait and postural stability are characteristic of the chronic progressive vascular lesion of the brain observed in moderate to severe stages of cerebrovascular disease. Disconnections between the prefrontal cortex, basal ganglia and cerebellum due to the damage of the white matter (vascular leukoencephalopathy) underlie disturbances of gait and postural stability (shorter stride length, wider gait). There are difficulties in starting with possible stoppings during the walking, waiting in front of small barriers as well as difficulties in concentration (e...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28549752/inter-rater-variability-in-motor-function-assessment-in-parkinson-s-disease-between-experts-in-movement-disorders-and-nurses-specialising-in-pd-management
#7
T de Deus Fonticoba, D Santos García, M Macías Arribí
INTRODUCTION AND OBJECTIVE: In clinical practice, assessing patients with Parkinson's disease (PD) is a complex, time-consuming task. Our purpose is to provide a rigorous and objective evaluation of how motor function in PD patients is assessed by neurologists specialising in movement disorders, on the one hand, and by nurses specialising in PD management, on the other. METHODS: We conducted an observational, cross-sectional, single-centre study of 50 patients with PD (52% men; mean age: 64...
May 23, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28544951/clinical-balance-scales-indicate-worse-postural-control-in-people-with-parkinson-s-disease-who-exhibit-freezing-of-gait-compared-to-those-who-do-not-a-meta-analysis
#8
REVIEW
Esther M J Bekkers, Bauke W Dijkstra, Kim Dockx, Elke Heremans, Sabine M P Verschueren, Alice Nieuwboer
Postural instability and freezing of gait (FOG) are key features of Parkinson's disease (PD) that are closely related to falls. Uncovering the postural control differences between individuals with and without FOG contributes to our understanding of the relationship between these phenomena. The objective of this meta-analysis was to investigate whether postural control deficits, as detected by clinical balance scales, were more apparent in FOG+ compared to FOG-. Furthermore, we aimed to identify whether different scales were equally sensitive to detect postural control deficits and whether medication affected postural control differentially in each subgroup...
July 2017: Gait & Posture
https://www.readbyqxmd.com/read/28527232/three-dimensional-evaluation-of%C3%A2-postural%C3%A2-stability-in-parkinson-s-disease-with-mobile-technology
#9
Sarah J Ozinga, Mandy Miller Koop, Susan M Linder, Andre G Machado, Tanujit Dey, Jay L Alberts
BACKGROUND: Postural instability is a hallmark of Parkinson's disease. Objective metrics to characterize postural stability are necessary for the development of treatment algorithms to aid in the clinical setting. OBJECTIVE: The aim of this project was to validate a mobile device platform and resultant three-dimensional balance metric that characterizes postural stability. METHODS: A mobile Application was developed, in which biomechanical data from inertial sensors within a mobile device were processed to characterize movement of center of mass in the medial-lateral, anterior-posterior and trunk rotation directions...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28527231/nordic-walking-improves-trunk-stability-and-gait-spatial-temporal-characteristics-in-people-with-parkinson-disease
#10
Marie-Anne Gougeon, Lei Zhou, Julie Nantel
BACKGROUND: This study aimed to assess the effect of walking with Nordic Walking (NW) poles on postural stability and gait spatial-temporal characteristics in individuals with PD and to determine the cognitive load associated operating the poles. METHODS: Twelve individuals with PD (age: 61.6±11.7) were asked to perform four 90 s walking trials; with/without poles and with/without verbal fluency task (category fluency) after a 6-week independent NW training. We assessed gait spatial-temporal characteristics, and trunk postural stability using the APDM accelerometry system...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28507630/relationship-between-gait-parameters-and-postural-stability-in-early-and-late-parkinson-s-disease-and-visual-feedback-based-balance-training-effects
#11
Mohieldin M Ahmed, Douaa M Mosalem, Aziz K Alfeeli, Ayyoub B Baqer, Doaa Youssry Soliman
BACKGROUND: Gait disorders or postural instability has been done before. However, lack of reviews has addressed the relation between gait and postural stability in Parkinson's disease (PD). AIM: The aim was to evaluate the relation between gait parameters and postural stability in early and late stages of PD. MATERIALS AND METHODS: The forty-one idiopathic PD patients were divided into two groups into a group (A) considered as early PD and group (B) considered as late ambulant PD...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28459950/tremor-stability-index-a-new-tool-for-differential-diagnosis-in-tremor-syndromes
#12
Lazzaro di Biase, John-Stuart Brittain, Syed Ahmar Shah, David J Pedrosa, Hayriye Cagnan, Alexandre Mathy, Chiung Chu Chen, Juan Francisco Martín-Rodríguez, Pablo Mir, Lars Timmerman, Petra Schwingenschuh, Kailash Bhatia, Vincenzo Di Lazzaro, Peter Brown
See Vidailhet et al. (doi:10.1093/brain/awx140) for a scientific commentary on this article.Misdiagnosis among tremor syndromes is common, and can impact on both clinical care and research. To date no validated neurophysiological technique is available that has proven to have good classification performance, and the diagnostic gold standard is the clinical evaluation made by a movement disorders expert. We present a robust new neurophysiological measure, the tremor stability index, which can discriminate Parkinson's disease tremor and essential tremor with high diagnostic accuracy...
July 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28455740/motor-equivalence-and-structure-of-variance-multi-muscle-postural-synergies-in-parkinson-s-disease
#13
Ali Falaki, Xuemei Huang, Mechelle M Lewis, Mark L Latash
We explored posture-stabilizing multi-muscle synergies with two methods of analysis of multi-element, abundant systems: (1) Analysis of inter-cycle variance; and (2) Analysis of motor equivalence, both quantified within the framework of the uncontrolled manifold (UCM) hypothesis. Data collected in two earlier studies of patients with Parkinson's disease (PD) were re-analyzed. One study compared synergies in the space of muscle modes (muscle groups with parallel scaling of activation) during tasks performed by early-stage PD patients and controls...
July 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28268275/reinforcement-learning-for-stabilizing-an-inverted-pendulum-naturally-leads-to-intermittent-feedback-control-as-in-human-quiet-standing
#14
Kenjiro Michimoto, Yasuyuki Suzuki, Ken Kiyono, Yasushi Kobayashi, Pietro Morasso, Taishin Nomura
Intermittent feedback control for stabilizing human upright stance is a promising strategy, alternative to the standard time-continuous stiffness control. Here we show that such an intermittent controller can be established naturally through reinforcement learning. To this end, we used a single inverted pendulum model of the upright posture and a very simple reward function that gives a certain amount of punishments when the inverted pendulum falls or changes its position in the state space. We found that the acquired feedback controller exhibits hallmarks of the intermittent feedback control strategy, namely the action of the feedback controller is switched-off intermittently when the state of the pendulum is located near the stable manifold of the unstable saddle-type upright equilibrium of the inverted pendulum with no active control: this action provides an opportunity to exploit transiently converging dynamics toward the unstable upright position with no help of the active feedback control...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267762/impaired-perception-of-surface-tilt-in-progressive-supranuclear-palsy
#15
Marian L Dale, Fay B Horak, W Geoffrey Wright, Bernadette M Schoneburg, John G Nutt, Martina Mancini
INTRODUCTION: Progressive supranuclear palsy (PSP) is characterized by early postural instability and backward falls. The mechanisms underlying backward postural instability in PSP are not understood. The aim of this study was to test the hypothesis that postural instability in PSP is a result of dysfunction in the perception of postural verticality. METHODS: We gathered posturography data on 12 subjects with PSP to compare with 12 subjects with idiopathic Parkinson's Disease (PD) and 12 healthy subjects...
2017: PloS One
https://www.readbyqxmd.com/read/28226432/reinforcement-learning-for-stabilizing-an-inverted-pendulum-naturally-leads-to-intermittent-feedback-control-as-in-human-quiet-standing
#16
Kenjiro Michimoto, Yasuyuki Suzuki, Ken Kiyono, Yasushi Kobayashi, Pietro Morasso, Taishin Nomura, Kenjiro Michimoto, Yasuyuki Suzuki, Ken Kiyono, Yasushi Kobayashi, Pietro Morasso, Taishin Nomura, Ken Kiyono, Pietro Morasso, Kenjiro Michimoto, Yasushi Kobayashi, Yasuyuki Suzuki, Taishin Nomura
Intermittent feedback control for stabilizing human upright stance is a promising strategy, alternative to the standard time-continuous stiffness control. Here we show that such an intermittent controller can be established naturally through reinforcement learning. To this end, we used a single inverted pendulum model of the upright posture and a very simple reward function that gives a certain amount of punishments when the inverted pendulum falls or changes its position in the state space. We found that the acquired feedback controller exhibits hallmarks of the intermittent feedback control strategy, namely the action of the feedback controller is switched-off intermittently when the state of the pendulum is located near the stable manifold of the unstable saddle-type upright equilibrium of the inverted pendulum with no active control: this action provides an opportunity to exploit transiently converging dynamics toward the unstable upright position with no help of the active feedback control...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222562/impaired-scaling-of-preparatory-postural-responses-to-repeated-balance-perturbations-in-parkinsonian-patients-with-comorbid-white-matter-disease
#17
David Cioncoloni, Lodovica Martelli, Deborah Rosignoli, Riccardo Mazzocchio
BACKGROUND: Postural instability may result from altered sequencing of automatic motor programs for anticipatory postural corrections and/or impaired motor learning in Parkinson Disease (PD) patients. Comorbid white matter disease is a major determinant of axial motor impairment, leading to poorer stability than nigrostriatal dopaminergic denervation per se. OBJECTIVE: To assess differences in anticipatory control of postural stability function between subjects affected by PD with comorbid leukoaraiosis (LPD), idiopathic Parkinson disease (IPD) and elderly healthy subjects (EHS) as control group...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28210066/effects-of-interactive-metronome-training-on-postural-stability-and-upper-extremity-function-in-parkinson-s-disease-a-case-study
#18
Arim Kim, Hye-Sun Lee, Chiang-Soon Song
[Purpose] The purpose of this study was to examine the effects of interactive metronome training on the postural stability and upper extremity function of an individual with Parkinson's disease. [Subject and Methods] The participant of this case study was a 75-year-old female with Parkinson's disease diagnosed 7 years prior. This study was a single-subject research with an A-B-A design. She received IM training during the treatment phase (B phase) for 40 minutes per session. She was assessed pretest and posttest using the Berg balance scale and Wolf motor function test, and at baseline and the treatment phase using the measured box-and-block test and a Tetrax system...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28167167/nintendo-wii-fit-for-balance-rehabilitation-in-patients-with-parkinson-s-disease-a-comparative-study
#19
Stefano Negrini, Luciano Bissolotti, Alessandro Ferraris, Fulvia Noro, Mark D Bishop, Jorge Hugo Villafañe
BACKGROUND: Impaired postural stability places individuals with Parkinson's disease (PD) at an increased risk for falls. OBJECTIVE: We evaluated the effectiveness of 10 vs. 15 sessions of Nintendo Wii Fit for balance recovery for outpatients PD. METHODS: Twenty-seven patients, 48.1% female (66 ± 8 years), with PD. Patients with PD were consecutively assigned to one of two groups receiving either 10 or 15 sessions (low dose or high dose group, respectively) with Nintendo Wii Fit in recovering balancing ability...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28110044/dopaminergic-modulation-of-multi-muscle-synergies-in-postural-tasks-performed-by-patients-with-parkinson-s-disease
#20
Ali Falaki, Xuemei Huang, Mechelle M Lewis, Mark L Latash
BACKGROUND: Postural instability is one of most disabling motor symptoms in Parkinson's disease. Indices of multi-muscle synergies are new measurements of postural stability. OBJECTIVES: We explored the effects of dopamine-replacement drugs on multi-muscle synergies stabilizing center of pressure coordinate and their adjustments prior to a self-triggered perturbation in patients with Parkinson's disease. We hypothesized that both synergy indices and synergy adjustments would be improved on dopaminergic drugs...
April 2017: Journal of Electromyography and Kinesiology
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