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https://www.readbyqxmd.com/read/28505988/intensive-seated-robotic-training-of-the-ankle-in-patients-with-chronic-stroke-differentially-improves-gait
#1
Johanna L Chang, Regina Y Lin, Maira Saul, Philip J Koch, Hermano Igo Krebs, Bruce T Volpe
BACKGROUND: Robotic driven treatment plans targeting isolated joints of the upper limb have improved the sensorimotor condition of patients with stroke. Similar intensive efforts to allay lower limb gait impairment have not been so successful. In patients with stroke, targeted robot assisted training of the ankle joint, in a seated position, has demonstrated significant alterations in ankle stiffness and foot-ankle orientation at foot strike which may provide a new treatment option for gait impairment...
May 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28503532/changes-in-gait-kinematics-and-muscle-activity-in-stroke-patients-wearing-various-arm-slings
#2
Young-In Hwang, Jangwhon Yoon
Stroke patients often use various arm slings, but the effects of different slings on the joint kinematics and muscle activity of the arm in the gait have not been investigated. The effects of joint kinematics and muscle activity in the gait were investigated to provide suggestions for gait training for stroke patients. In all, 10 chronic stroke patients were voluntarily recruited. An eight-camera three-dimensional motion analysis system was used to measure joint kinematics while walking; simultaneously, electromyography data were collected for the anterior and posterior deltoids and latissimus dorsi...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28491477/the-effect-of-diabetic-peripheral-neuropathy-on-ground-reaction-forces-during-straight-walking-in-stroke-survivors
#3
Amirah Mustapa, Maria Justine, Nadia Mohd Mustafah, Haidzir Manaf
Purpose. The aim of this present study was to investigate the ground reaction forces (GRFs) alterations in stroke survivors with diabetic peripheral neuropathy (DPN). Methods. Ten stroke survivors with DPN, 10 stroke survivors without DPN, and 10 healthy controls with matched body weight between groups participated in this case-control cross-sectional study. Three-dimensional GRFs (anterior-posterior, medial-lateral, and vertical) were collected at a comfortable walking speed using the Nexus Vicon motion analysis system and force plate...
2017: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/28488268/electromechanical-assisted-training-for-walking-after-stroke
#4
REVIEW
Jan Mehrholz, Simone Thomas, Cordula Werner, Joachim Kugler, Marcus Pohl, Bernhard Elsner
BACKGROUND: Electromechanical- and robotic-assisted gait-training devices are used in rehabilitation and might help to improve walking after stroke. This is an update of a Cochrane Review first published in 2007. OBJECTIVES: To investigate the effects of automated electromechanical- and robotic-assisted gait-training devices for improving walking after stroke. SEARCH METHODS: We searched the Cochrane Stroke Group Trials Register (last searched 9 August 2016), the Cochrane Central Register of Controlled Trials (CENTRAL) (the Cochrane Library 2016, Issue 8), MEDLINE in Ovid (1950 to 15 August 2016), Embase (1980 to 15 August 2016), CINAHL (1982 to 15 August 2016), AMED (1985 to 15 August 2016), Web of Science (1899 to 16 August 2016), SPORTDiscus (1949 to 15 September 2012), the Physiotherapy Evidence Database (PEDro) (searched 16 August 2016), and the engineering databases COMPENDEX (1972 to 16 November 2012) and Inspec (1969 to 26 August 2016)...
May 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28475196/do-clinical-assessments-steady-state-or-daily-life-gait-characteristics-predict-falls-in-ambulatory-chronic-stroke-survivors
#5
Michiel Punt, Sjoerd M Bruijn, Harriet Wittink, Ingrid G van de Port, Jaap H van Dieën
OBJECTIVE: This exploratory study investigated to what extent gait characteristics and clinical physical therapy assessments predict falls in chronic stroke survivors. DESIGN: Prospective study. SUBJECTS: Chronic fall-prone and non-fall-prone stroke survivors. METHODS: Steady-state gait characteristics were collected from 40 participants while walking on a treadmill with motion capture of spatio-temporal, variability, and stability measures...
May 5, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28452644/self-management-and-yoga-for-older-adults-with-chronic-stroke-a-mixed-methods-study-of-physical-fitness-and-physical-activity
#6
Jennifer Dickman Portz, Emily Waddington, Karen E Atler, Marieke Van Puymbroeck, Arlene A Schmid
OBJECTIVE: This study investigated changes in physical fitness and physical activity among older patients with chronic stroke (stroke ≥ 6 months previous) after participation in a yoga infused self-management intervention. METHODS: A mixed-methods secondary data analysis examined quantitative measures of endurance, strength, and gait speed and qualitative perspectives of intervention participants. RESULTS: Based on Wilcoxon analysis, physical fitness outcome measures including endurance and lower and upper body strength significantly (p < ...
November 1, 2016: Clinical Gerontologist
https://www.readbyqxmd.com/read/28441739/the-use-of-immus-in-a-water-environment-instrument-validation-and-application-of-3d-multi-body-kinematic-analysis-in-medicine-and-sport
#7
Anna Lisa Mangia, Matteo Cortesi, Silvia Fantozzi, Andrea Giovanardi, Davide Borra, Giorgio Gatta
The aims of the present study were the instrumental validation of inertial-magnetic measurements units (IMMUs) in water, and the description of their use in clinical and sports aquatic applications applying customized 3D multi-body models. Firstly, several tests were performed to map the magnetic field in the swimming pool and to identify the best volume for experimental test acquisition with a mean dynamic orientation error lower than 5°. Successively, the gait and the swimming analyses were explored in terms of spatiotemporal and joint kinematics variables...
April 22, 2017: Sensors
https://www.readbyqxmd.com/read/28431452/-treatment-options-for-neurogenic-drop-foot-a-systematic-literature-research
#8
Eike Jakubowitz, Daiwei Yao, Henning Windhagen, Christina Stukenborg-Colsman, Anna Thomann, Kiriakos Daniilidis
Background Neurogenic drop foot may be caused by central or peripheral lesions of the nervous system. Depending on whether the first or second motor neuron is damaged, a flaccid or spastic drop foot develops. Spastic drop foot persists as a residual long-term complication after stroke in about 14 % of patients. Various conservative and surgical treatment options are available. Methods This article is based on a systematic literature review for medical evidence of functional electrical stimulation (FES) with the keywords "functional electrical stimulation AND drop foot" and "functional electrical stimulation AND gait AND stroke" in PubMed and Cochrane databases...
April 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28431220/contribution-of-ankle-foot-orthosis-moment-in-regulating-ankle-and-knee-motions-during-gait-in-individuals-post-stroke
#9
Toshiki Kobayashi, Michael S Orendurff, Madeline L Singer, Fan Gao, K Bo Foreman
BACKGROUND: Ankle-foot orthosis moment resisting plantarflexion has systematic effects on ankle and knee joint motion in individuals post-stroke. However, it is not known how much ankle-foot orthosis moment is generated to regulate their motion. The aim of this study was to quantify the contribution of an articulated ankle-foot orthosis moment to regulate ankle and knee joint motion during gait in individuals post-stroke. METHODS: Gait data were collected from 10 individuals post-stroke using a Bertec split-belt instrumented treadmill and a Vicon 3-dimensional motion analysis system...
June 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28422551/estimation-of-gait-independence-using-a-tri-axial-accelerometer-in-stroke-patients
#10
Yoshifumi Kijima, Ryoji Kiyama, Masaki Sekine, Toshiyo Tamura, Toshiro Fujimoto, Tetsuo Maeda, Tadasu Ohshige
The purpose of this study was to clarify whether a gait analysis using an accelerometer could estimate gait independence. Eighty-six stroke patients and 21 healthy control subjects participated in this study. Stroke patients were identified as dependent or independent based on their gait ability. The acceleration of the trunk and bilateral thigh was measured using three wireless sensors during walking. The root mean square, gait regularity, and symmetry were calculated from the acceleration to estimate gait quality...
April 19, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28407505/a-randomized-controlled-trial-on-providing-ankle-foot-orthoses-in-patients-with-sub-acute-stroke-short-term-kinematic-and-spatiotemporal-effects-and-effects-of-timing
#11
Corien D M Nikamp, Marte S H Hobbelink, Job van der Palen, Hermie J Hermens, Johan S Rietman, Jaap H Buurke
Initial walking function is often limited after stroke, and regaining walking ability is an important goal in rehabilitation. Various compensatory movement strategies to ensure sufficient foot-clearance are reported. Ankle-foot orthoses (AFOs) are often prescribed to improve foot-clearance and may influence these strategies. However, research studying effects of actual AFO-provision early after stroke is limited. We conducted an explorative randomized controlled trial and aimed to study the short-term effects of AFO-provision on kinematic and spatiotemporal parameters in patients early after stroke...
March 30, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28395933/electroacupuncture-improves-neurobehavioral-function-and-brain-injury-in-rat-model-of-intracerebral-hemorrhage
#12
Yan Zhu, Li Deng, Huajun Tang, Xiaoqing Gao, Youhua Wang, Kan Guo, Jiming Kong, Chaoxian Yang
Acupuncture has been widely used as a treatment for stroke in China for a long time. Recently, studies have demonstrated that electroacupuncture (EA) can accelerate intracerebral hemorrhage (ICH)-induced angiogenesis in rats. In the present study, we investigated the effect of EA on neurobehavioral function and brain injury in ICH rats. ICH was induced by stereotactic injection of collagenase type I and heparin into the right caudate putamen. Adult ICH rats were randomly divided into the following three groups: model control group (MC), EA at non-acupoint points group (non-acupoint EA) and EA at Baihui and Dazhui acupoints group (EA)...
April 7, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28363987/progesterone-induced-neuroprotection-in-reperfusion-promoted-mitochondrial-dysfunction-following-focal-cerebral-ischemia-in-rats
#13
Syed Suhail Andrabi, Suhel Parvez, Heena Tabassum
Alterations in mitochondrial permeability transition and organelle damage are key players in the development of cerebral ischemic tissue injury due to associated modifications in ATP turnover and cellular apoptosis/necrosis. Early restoration of blood flow and improvement of mitochondrial function might reverse the situation and help in recovery following an onset of stroke. Mitochondria and related bioenergetics can be effectively used as pharmacological targets. Progesterone (P4), one of the promising neurosteroids, has been found neuroprotective in various models of neurological diseases through a number of mechanisms...
March 31, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28351743/effects-of-treadmill-training-with-load-addition-on-non-paretic-lower-limb-on-gait-parameters-after-stroke-a-randomized-controlled-clinical-trial
#14
Tatiana S Ribeiro, Emília M G S Silva, Isaíra A P Silva, Mayara F P Costa, Fabrícia A C Cavalcanti, Ana R Lindquist
The addition of load on the non-paretic lower limb for the purpose of restraining this limb and stimulating the use of the paretic limb has been suggested to improve hemiparetic gait. However, the results are conflicting and only short-term effects have been observed. This study aims to investigate the effects of adding load on non-paretic lower limb during treadmill gait training as a multisession intervention on kinematic gait parameters after stroke. With this aim, 38 subacute stroke patients (mean time since stroke: 4...
March 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28349208/periventricular-white-matter-lesions-as-a-prognostic-factor-of-swallowing-function-in-older-patients-with-mild-stroke
#15
Hyun Im Moon, Je-Shik Nam, Min Jeong Leem, Kee Hoon Kim
Older patients with stroke have poor functional prognosis compared to younger patients. Patients with stroke who have severe white matter (WM) lesions have been reported to have poor functional prognosis such as cognitive dysfunction, increased propensity for falling, and gait and balance problems. The aim of this study was to determine whether WM lesions exert negative effects on swallowing function in older patients with mild stroke. We conducted a retrospective analysis of 63 patients aged >65 years who had a National Institutes of Health Stroke Scale score ≤5 and who underwent videofluoroscopic swallowing examination after their first stroke...
March 27, 2017: Dysphagia
https://www.readbyqxmd.com/read/28291737/advantages-of-eeg-phase-patterns-for-the-detection-of-gait-intention-in-healthy-and-stroke-subjects
#16
Andreea Ioana Sburlea, Luis Montesano, Javier Minguez
OBJECTIVE: One use of EEG-based brain-computer interfaces (BCIs) in rehabilitation is the detection of movement intention. In this paper we investigate for the first time the instantaneous phase of movement related cortical potential (MRCP) and its application to the detection of gait intention. APPROACH: We demonstrate the utility of MRCP phase in two independent datasets, in which 10 healthy subjects and 9 chronic stroke patients executed a self-initiated gait task in three sessions...
June 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28284572/an-articulated-ankle-foot-orthosis-with-adjustable-plantarflexion-resistance-dorsiflexion-resistance-and-alignment-a-pilot-study-on-mechanical-properties-and-effects-on-stroke-hemiparetic-gait
#17
Toshiki Kobayashi, Michael S Orendurff, Grace Hunt, Lucas S Lincoln, Fan Gao, Nicholas LeCursi, K Bo Foreman
Mechanical properties of an articulated ankle-foot orthosis (AFO) are closely related to gait performance in individuals post-stroke. This paper presents a pilot study on the mechanical properties of a novel articulated AFO with adjustable plantarflexion resistance, dorsiflexion resistance and alignment, and its effect on ankle and knee joint kinematics and kinetics in an individual post-stroke during gait. The mechanical properties of the AFO were quantified. Gait analysis was performed using a 3D motion capture system with a split-belt instrumented treadmill under 12 different settings of the mechanical properties of the AFO [i...
June 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28271220/constraints-on-perception-of-information-from-obstacles-during-foot-clearance-in-people-with-chronic-stroke
#18
Mohsen Shafizadeh, Jonathan Wheat, Keith Davids, Noureddin Nakhostin Ansari, Ali Ali, Samira Garmabi
The aim of this study was to examine effects of different types of task constraints on coupling of perception and action in people with chronic stroke when crossing obstacles during a walking task. Ten participants with hemiplegic chronic stroke volunteered to walk over a static obstacle under two distinct task constraints: simple and dual tasks. Under simple task constraints, without specific instructions, participants walked at their preferred speed and crossed over an obstacle. Under dual task constraints, the same individuals were required to subtract numbers whilst walking...
March 7, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28271039/deep-multi-scale-location-aware-3d-convolutional-neural-networks-for-automated-detection-of-lacunes-of-presumed-vascular-origin
#19
Mohsen Ghafoorian, Nico Karssemeijer, Tom Heskes, Mayra Bergkamp, Joost Wissink, Jiri Obels, Karlijn Keizer, Frank-Erik de Leeuw, Bram van Ginneken, Elena Marchiori, Bram Platel
Lacunes of presumed vascular origin (lacunes) are associated with an increased risk of stroke, gait impairment, and dementia and are a primary imaging feature of the small vessel disease. Quantification of lacunes may be of great importance to elucidate the mechanisms behind neuro-degenerative disorders and is recommended as part of study standards for small vessel disease research. However, due to the different appearance of lacunes in various brain regions and the existence of other similar-looking structures, such as perivascular spaces, manual annotation is a difficult, elaborative and subjective task, which can potentially be greatly improved by reliable and consistent computer-aided detection (CAD) routines...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28268625/detecting-voluntary-gait-intention-of-chronic-stroke-patients-towards-top-down-gait-rehabilitation-using-eeg
#20
Junhyuk Choi, Hyolim Kang, Sang Hun Chung, Yeonghun Kim, Ung Hee Lee, Jong Min Lee, Seung-Jong Kim, Min Ho Chun, Hyungmin Kim
One of the recent trends in gait rehabilitation is to incorporate bio-signals, such as electromyography (EMG) or electroencephalography (EEG), for facilitating neuroplasticity, i.e. top-down approach. In this study, we investigated decoding stroke patients' gait intention through a wireless EEG system. To overcome patient-specific EEG patterns due to impaired cerebral cortices, common spatial patterns (CSP) was employed. We demonstrated that CSP filter can be used to maximize the EEG signal variance-ratio of gait and standing conditions...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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