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Effects of early and intensive neuro-rehabilitative treatment on muscle synergies in acute post-stroke patients: a pilot study
Conclusions: The results support the hypothesis that muscle synergies reflect the injury of the cerebrovascular accident and could document the effects of the functional recovery due to a suitable and customized treatment. Therefore, they open up new possibilities for the development of more effective neuro-rehabilitation protocols.
Source: Journal of NeuroEngineering and Rehabilitation - October 5, 2013 Category: Rehabilitation Authors: Peppino TropeaVito MonacoMartina CosciaFederico PosteraroSilvestro Micera Source Type: research

Adaptive training algorithm for robot-assisted upper-arm rehabilitation, applicable to individualised and therapeutic human-robot interaction
Conclusions: The GENTLE/A system was able to adapt so that the duration required to execute point-to-point movement was according to the leading or lagging performance of the user with respect to the robot. This adaptability could be useful in the clinical settings when stroke subjects interact with the system and could also serve as an assessment parameter across various interaction sessions. As the system adapts to user input, and as the task becomes easier through practice, the robot would auto-tune for more demanding and challenging interactions. The improvement in performance of the participants in an embedded environ...
Source: Journal of NeuroEngineering and Rehabilitation - September 28, 2013 Category: Rehabilitation Authors: Radhika ChemuturiFarshid AmirabdollahianKerstin Dautenhahn Source Type: research

Relationship between clinical and instrumental balance assessments in chronic post-stroke hemiparesis subjects
Background: Stroke is often associated with balance deficits that increase the risk of falls and may lead to severe mobility disfunctions or death. The purpose of this study is to establish the relation between the outcome of instrumented posturography and of the most commonly used clinical balance tests, and investigate their role for obtaining reliable feedback on stroke patients' balance impairment. Methods: Romberg test was performed on 20 subjects, 10 hemiplegic post-stroke subjects (SS, 69.4 +/- 8.2 years old) and 10 control subjects (CS, 61.6 +/- 8.6 years old), with 1 Bertec force plate. The following parameters we...
Source: Journal of NeuroEngineering and Rehabilitation - August 13, 2013 Category: Rehabilitation Authors: Zimi SawachaElena CarraroPaola ContessaAnnamaria GuiottoStefano MasieroClaudio Cobelli Source Type: research

Chronic muscle stimulation improves muscle function and reverts the abnormal surface EMG pattern in Myotonic Dystrophy: a pilot study
Conclusions: NMES determined a clear-cut improvement of both the muscular weakness and the sarcolemmal excitability alteration in our small group of DM1 patients. Therefore this rehabilitative approach, if confirmed by further extensive studies, could be considered early in the management of muscular impairment in these patients. An attractive hypothesis to explain our encouraging result could be represented by a functional inhibition of SK3 channels expressed in muscle of DM1 subjects.
Source: Journal of NeuroEngineering and Rehabilitation - August 12, 2013 Category: Rehabilitation Authors: Carmelo ChisariFederica BertolucciStefania DaliseBruno Rossi Source Type: research

Monitoring motor capacity changes of children during rehabilitation using body-worn sensors
Background: Rehabilitation services use outcome measures to track motor performance of their patients over time.State-of-the-art approaches use mainly patients' feedback and experts' observations for this purpose.We aim at continuously monitoring children in daily life and assessing normal activities to close thegap between movements done as instructed by caregivers and natural movements during daily life. Toinvestigate the applicability of body-worn sensors for motor assessment in children, we investigatedchanges in movement capacity during defined motor tasks longitudinally. Methods: We performed a longitudinal study ove...
Source: Journal of NeuroEngineering and Rehabilitation - July 30, 2013 Category: Rehabilitation Authors: Christina StrohrmannRob LabruyèreCorinna GerberHubertus van HedelBert ArnrichGerhard Tröster Source Type: research

Altered steering strategies for goal-directed locomotion in stroke
Conclusions: The findings highlight the fine coordination between rotational and translational steering mechanisms in presence of targets and FOE shifts. The altered performance of stroke participants in walking but not in the seated steering task suggests that an altered perceptuo-motor processing of optic flow is not a main contributing factor and that other stroke-related sensorimotor deficits are involved.
Source: Journal of NeuroEngineering and Rehabilitation - July 22, 2013 Category: Rehabilitation Authors: Ala¿ AburubAnouk Lamontagne Source Type: research

Effects of robotic guidance on the coordination of locomotion
Conclusion: In neurologically intact subjects robotic-guided walking at various force guidance and speed levels does not alter the basic locomotor control and timing. This allows the design of robotic-aided rehabilitation strategies aimed at the modulation of motor modules, which are altered in stroke.
Source: Journal of NeuroEngineering and Rehabilitation - July 19, 2013 Category: Rehabilitation Authors: Juan MorenoFilipe BarrosoDario FarinaLeonardo GizziCristina SantosMarco MolinariJosé Pons Source Type: research

EMG-based pattern recognition approach in post stroke robot-aided rehabilitation: a feasibility study
Conclusions: The experimental findings herein reported show that the use of EMG patterns recognition approach might not be practical to decode movement intention in subjects with neurological injury such as stroke. Rather than estimate motion from EMGs, future scenarios should encourage the utilization of these signals to detect and interpret the normal and abnormal muscle patterns and provide feedback on their correct recruitment.
Source: Journal of NeuroEngineering and Rehabilitation - July 15, 2013 Category: Rehabilitation Authors: Benedetta CesquiPeppino TropeaSilvestro MiceraHermano Igo Krebs Source Type: research

A pilot study of sensory feedback by transcutaneous electrical nerve stimulation to improve manipulation deficit caused by severe sensory loss after stroke
Conclusions: We conclude that the proposed system would be useful in the rehabilitation of patients with sensory loss.
Source: Journal of NeuroEngineering and Rehabilitation - June 13, 2013 Category: Rehabilitation Authors: Kahori KitaYohei OtakaKotaro TakedaSachiko SakataJunichi UshibaKunitsugu KondoMeigen LiuRieko Osu Source Type: research

Spatio-temporal parameters and intralimb coordination patterns describing hemiparetic locomotion at controlled speed
Conclusion: Comparisons between hemiparetic and healthy gait should be carried out when all participants are asked to seek the same suitable dynamic equilibrium led by the same external (i.e., the speed) and internal (i.e., severity of the pathology) conditions. In this respect, biomechanical adaptations reflecting the pathology can be better highlighted by coordinative patterns of coupled segments within each limb than by the spatio-temporal parameters. Accordingly, a deep analysis of the intralimb coordination may be helpful for clinicians while designing therapeutic treatments.
Source: Journal of NeuroEngineering and Rehabilitation - June 12, 2013 Category: Rehabilitation Authors: Lucio RinaldiVito Monaco Source Type: research

Myoelectrically controlled wrist robot for stroke rehabilitation
Conclusions: These results indicate that robot-aided therapy with voluntary participation of patient's paretic motor system using myoelectric control might have positive effect on upper limb motor recovery.
Source: Journal of NeuroEngineering and Rehabilitation - June 10, 2013 Category: Rehabilitation Authors: Rong SongKai-yu TongXiaoling HuWei Zhou Source Type: research

Early exercise improves cerebral blood flow through increased angiogenesis in experimental stroke rat model
Conclusions: Our results indicated that early exercise after MCAO improved the CBF in ischemic region, reduced infarct volume and promoted the functional outcomes, the underlying mechanism was correlated with angiogenesis in the ischemic cortex.
Source: Journal of NeuroEngineering and Rehabilitation - April 26, 2013 Category: Rehabilitation Authors: Pengyue ZhangHuixian YuNaiyun ZhouJie ZhangYi WuYuling ZhangYulong BaiJie JiaQi ZhangShan TianJunfa WuYongshan Hu Source Type: research

The Resonating Arm Exerciser: design and pilot testing of a mechanically passive rehabilitation device that mimics robotic active assistance
Conclusions: These results demonstrate that a simple mechanical device that snaps onto a manual wheelchair can use resonance to assist arm training, and that such training shows potential for safely increasing arm movement ability for people with severe chronic hemiparetic stroke.
Source: Journal of NeuroEngineering and Rehabilitation - April 18, 2013 Category: Rehabilitation Authors: Daniel ZondervanLorena PalafoxJorge HernandezDavid Reinkensmeyer Source Type: research

Unilateral versus bilateral robot-assisted rehabilitation on arm-trunk control and functions post stroke: a randomized controlled trial
This study compared the effects of URT vs. BRT on upper extremity (UE) control, trunk compensation, and function in patients with chronic stroke.
Source: Journal of NeuroEngineering and Rehabilitation - April 12, 2013 Category: Rehabilitation Authors: Ching-yi WuChieh-ling YangMing-de ChenKeh-chung LinLi-ling Wu Source Type: research

Modulation of event-related desynchronization in robot-assisted hand performance: brain oscillatory changes in active, passive and imagined movements
Conclusions: This study suggests new perspectives for the assessment of patients with neurological disease. The findings may be relevant for defining a baseline for future studies investigating the neural correlates of behavioral changes after robot-assisted training in stroke patients.
Source: Journal of NeuroEngineering and Rehabilitation - February 26, 2013 Category: Rehabilitation Authors: Emanuela FormaggioSilvia StortiIlaria Boscolo GalazzoMarialuisa GandolfiChristian GeroinNicola SmaniaLaura SpeziaAndreas WaldnerAntonio FiaschiPaolo Manganotti Source Type: research

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