AIMC Topic: Ankle Joint

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Effect of body weight support variation on muscle activities during robot assisted gait: a dynamic simulation study.

Computer methods in biomechanics and biomedical engineering Feb 9, 2017
BACKGROUND AND OBJECTIVES: While body weight support (BWS) intonation is vital during conventional gait training of neurologically challenged subjects, it is important to evaluate its effect during robot assisted gait training. In the present researc...
Humans Computer Simulation Biomechanical Phenomena Body Weight Torque Hip Joint Ankle Joint Orthotic Devices Models, Theoretical Muscle, Skeletal Robotics Knee Joint Gait
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Predictive Behavior of a Computational Foot/Ankle Model through Artificial Neural Networks.

Computational and mathematical methods in medicine Jan 30, 2017
Computational models are useful tools to study the biomechanics of human joints. Their predictive performance is heavily dependent on bony anatomy and soft tissue properties. Imaging data provides anatomical requirements while approximate tissue prop...
Normal Distribution Models, Anatomic Biomechanical Phenomena Neurons Ankle Joint Foot Ligaments Humans Neural Networks, Computer Algorithms Computer Simulation
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Exoskeleton plantarflexion assistance for elderly.

Gait & posture Nov 28, 2016
Elderly are confronted with reduced physical capabilities and increased metabolic energy cost of walking. Exoskeletons that assist walking have the potential to restore walking capacity by reducing the metabolic cost of walking. However, it is unclea...
Humans Range of Motion, Articular Ankle Joint Foot Exoskeleton Device Aging Female Mobility Limitation Shoes Robotics Aged Exercise Test Electromyography Biomechanical Phenomena Reference Values Male
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Delaying Ambulation Mode Transition Decisions Improves Accuracy of a Flexible Control System for Powered Knee-Ankle Prosthesis.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society Sep 22, 2016
Powered lower limb prostheses can assist users in a variety of ambulation modes by providing knee and/or ankle joint power. This study's goal was to develop a flexible control system to allow users to perform a variety of tasks in a natural, accurate...
Male Middle Aged Treatment Outcome Robotics Equipment Design Female Reproducibility of Results Aged Adult Sensitivity and Specificity Ankle Joint Equipment Failure Analysis Gait Disorders, Neurologic Feedback, Physiological Biofeedback, Psychology Knee Joint Amputees Artificial Limbs Psychomotor Performance Humans
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Human-like compliant locomotion: state of the art of robotic implementations.

Bioinspiration & biomimetics Aug 22, 2016
This review paper provides a synthetic yet critical overview of the key biomechanical principles of human bipedal walking and their current implementation in robotic platforms. We describe the functional role of human joints, addressing in particular...
Walking Gait Artificial Limbs Biomimetics Hip Joint Locomotion Ankle Joint Leg Foot Joints Humans Biomechanical Phenomena Pelvic Bones Robotics Knee Joint
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Development and reliability of a measure evaluating dynamic proprioception during walking with a robotized ankle-foot orthosis, and its relation to dynamic postural control.

Gait & posture Jul 15, 2016
BACKGROUND: Proprioception is important for proper motor control. As the central nervous system modulates how sensory information is processed during movement (sensory gating), proprioceptive tests performed at rest do not correlate well with perform...
Sensory Thresholds Ankle Proprioception Foot Orthoses Reproducibility of Results Young Adult Adult Male Humans Robotics Postural Balance Female Exercise Test Walking Gait Ankle Joint
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Movement Performance of Human-Robot Cooperation Control Based on EMG-Driven Hill-Type and Proportional Models for an Ankle Power-Assist Exoskeleton Robot.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society Jun 22, 2016
Although the merits of electromyography (EMG)-based control of powered assistive systems have been certified, the factors that affect the performance of EMG-based human-robot cooperation, which are very important, have received little attention. This...
Exoskeleton Device Man-Machine Systems Electric Power Supplies Neurological Rehabilitation Feedback, Physiological Adult Sensitivity and Specificity Male Torque Muscle, Skeletal Psychomotor Performance Robotics Ankle Joint Isometric Contraction Humans Equipment Design Equipment Failure Analysis Computer Simulation Biofeedback, Psychology Female Artificial Limbs Reproducibility of Results Models, Biological
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Developing a Wearable Ankle Rehabilitation Robotic Device for in-Bed Acute Stroke Rehabilitation.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society Jun 22, 2016
Ankle movement training is important in motor recovery post stroke and early intervention is critical to stroke rehabilitation. However, acute stroke survivors receive motor rehabilitation in only a small fraction of time, partly due to the lack of e...
Therapy, Computer-Assisted Humans Equipment Failure Analysis Reproducibility of Results Exoskeleton Device Biofeedback, Psychology Sensitivity and Specificity Motion Therapy, Continuous Passive Video Games Exercise Therapy Stroke Rehabilitation Robotics Monitoring, Ambulatory Equipment Design Ankle Joint
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Task-specific ankle robotics gait training after stroke: a randomized pilot study.

Journal of neuroengineering and rehabilitation Jun 2, 2016
BACKGROUND: An unsettled question in the use of robotics for post-stroke gait rehabilitation is whether task-specific locomotor training is more effective than targeting individual joint impairments to improve walking function. The paretic ankle is i...
Humans Adult Male Middle Aged Pilot Projects Paresis Robotics Stroke Rehabilitation Stroke Gait Disorders, Neurologic Gait Exercise Therapy Ankle Joint
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Biomechanical effects of body weight support with a novel robotic walker for over-ground gait rehabilitation.

Medical & biological engineering & computing May 18, 2016
Body weight support (BWS) promotes better functional outcomes for neurologically challenged patients. Despite the established effectiveness of BWS in gait rehabilitation, the findings on biomechanical effects of BWS training still remain contradictor...
Body Weight Robotics Hip Joint Humans Electromyography Ankle Joint Knee Joint Adult Orthotic Devices Walking Walkers Biomechanical Phenomena Gait Muscle, Skeletal
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