نتایج جستجو برای: gait signal

تعداد نتایج: 443938  

Journal: :The journals of gerontology. Series A, Biological sciences and medical sciences 2011
Manuel Montero-Odasso Susan W Muir Maggie Hall Timothy J Doherty Marita Kloseck Olivier Beauchet Mark Speechley

BACKGROUND The relationship between frailty and gait characteristics other than velocity has received little attention. Gait variability quantifies the automaticity of gait with greater variability usually indicating an irregular and unstable gait. High gait variability reflects the loss of gait regulation and predicts mobility decline and falls, which may reveal systemic vulnerability. Thus, w...

Journal: :Archives of physical medicine and rehabilitation 2004
Virginie G Femery Pierre G Moretto Jean-Michel G Hespel André Thévenon Ghislaine Lensel

OBJECTIVE To develop and test a plantar pressure control device that provides both visual and auditory feedback and is suitable for correcting plantar pressure distribution patterns in persons susceptible to neuropathic foot ulceration. DESIGN Pilot test. SETTING Sports medicine laboratory in a university in France. PARTICIPANT One healthy man in his mid thirties. INTERVENTIONS Not appl...

2016
Won Young Kim Jin Bum Kim Taek Kyun Nam Young Baeg Kim Seung Won Park

Intracranial dural arteriovenous fistula (dAVF) usually results in various problems in the brain. But it can be presented as a myelopathy, which may make early diagnosis and management to be difficult. We recently experienced a case of cervical myelopathy caused by intracranial dAVF. A 60-year-old man presented with a 3-year history of gait disturbance due to a progressive weakness of both legs...

2016
Pavel Milicka Petr Cizek Jan Faigl

In this paper, we address a problem of motion control of a real hexapod walking robot along a trajectory of the prescribed curvature and desired motion gait. The proposed approach is based on a chaotic neural oscillator that is employed as the central pattern generator (CPG). The CPG allows to generate various motion gaits according to the specified period of the chaotic oscillator. The output ...

2013
Peng Yao Alka A. Potdar Partho Sarothi Ray Sandeepa M. Eswarappa Andrew C. Flagg Belinda Willard Paul L. Fox

Cell regulatory circuits integrate diverse, and sometimes conflicting, environmental cues to generate appropriate, condition-dependent responses. Here, we elucidate the components and mechanisms driving a protein-directed RNA switch in the 3'UTR of vascular endothelial growth factor (VEGF)-A. We describe a novel HILDA (hypoxia-inducible hnRNP L-DRBP76-hnRNP A2/B1) complex that coordinates a thr...

2018
Sunghoon I. Lee Bjoern M. Eskofier

Recent advancement in digital technologies is driving a remarkable transformation in sports, health, and medical engineering, aiming to achieve the accurate quantification of performance, well-being, and disease condition, and the optimization of sports, clinical, and therapeutic training and treatment programs. Traditionally, understanding and monitoring of functional performance and capacity ...

2014
Zhiqiang Zhang Charence Wong Benny Lo Guang-Zhong Yang

Accurate estimation of walking distance plays an important role in numerous applications, such as gait analysis, sport training and particularly pedestrian localization in indoor environment [1]. One possible pervasive solution is to make use of motion dynamics contained in the inertial signals such as frequency, maximum/minimum amplitude, to aggregate individual stride. However, the main chall...

2007
Daoliang Tan Shiqi Yu Kaiqi Huang Tieniu Tan

Most of gait recognition algorithms involve walking cycle estimation to accomplish signature matching. However, we may be plagued by two cycle-related issues when developing real-time gait-based walker recognition systems. One is accurate cycle evaluation, which is computation intensive, and the other is the inconvenient acquisition of long continuous sequences of gait patterns, which are essen...

Journal: :Acta of bioengineering and biomechanics 2014
Ewa Szczerbik Maciej Krawczyk Małgorzata Syczewska

Stroke is the third cause of death in contemporary society and causes many disorders. Clinical scales, ground reaction force (GRF) and objective gait analysis are used for assessment of patient's rehabilitation progress during treatment. The goal of this paper is to assess whether signal correlation coefficient matrix applied to GRF can be used for evaluation of the status of post-stroke patien...

Journal: :Prosthetics and orthotics international 2013
Mokhtar Arazpour Monireh Ahmadi Bani Reza Vahab Kashani Farhad Tabatabai Ghomshe Mohammad Ebrahim Mousavi Stephen William Hutchins

BACKGROUND The important purpose of a powered gait orthosis is to provide active joint movement for patients with spinal cord injury. OBJECTIVES The aim of this study was to clarify the effect of a powered gait orthosis on the kinematics and temporal-spatial parameters in paraplegics with spinal cord injury. STUDY DESIGN Quasi-experimental. METHODS Four spinal cord injury individuals expe...

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