AIMC Topic: Ankle Joint
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Effects of reduced plantar cutaneous sensation on static postural control in individuals with and without chronic ankle instability.
Journal of science and medicine in sport
May 6, 2016
OBJECTIVES: The purpose of this study was to determine how reduced plantar cutaneous sensation influences static postural control in individuals with and without CAI.
Evaluation of the Achilles Ankle Exoskeleton.
IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society
Feb 11, 2016
This paper evaluates the Achilles exoskeleton. The exoskeleton is intended to provide push-off assistance for healthy subjects during walking. The assistance is provided by a series elastic actuator that has been optimized to provide maximal push-off...
Learning to walk with an adaptive gain proportional myoelectric controller for a robotic ankle exoskeleton.
Journal of neuroengineering and rehabilitation
Nov 4, 2015
BACKGROUND: Robotic ankle exoskeletons can provide assistance to users and reduce metabolic power during walking. Our research group has investigated the use of proportional myoelectric control for controlling robotic ankle exoskeletons. Previously, ...
Estimation of ground reaction forces and ankle moment with multiple, low-cost sensors.
Journal of neuroengineering and rehabilitation
Oct 14, 2015
BACKGROUND: Wearable sensor systems can provide data for at-home gait analyses and input to controllers for rehabilitation devices but they often have reduced estimation accuracy compared to laboratory systems. The goal of this study is to evaluate a...
A Robot-Driven Computational Model for Estimating Passive Ankle Torque With Subject-Specific Adaptation.
IEEE transactions on bio-medical engineering
Aug 31, 2015
BACKGROUND: Robot-assisted ankle assessment could potentially be conducted using sensor-based and model-based methods. Existing ankle rehabilitation robots usually use torquemeters and multiaxis load cells for measuring joint dynamics. These measurem...
An experimental comparison of the relative benefits of work and torque assistance in ankle exoskeletons.
Journal of applied physiology (Bethesda, Md. : 1985)
Jul 9, 2015
Techniques proposed for assisting locomotion with exoskeletons have often included a combination of active work input and passive torque support, but the physiological effects of different assistance techniques remain unclear. We performed an experim...
A review on the mechanical design elements of ankle rehabilitation robot.
Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine
May 14, 2015
Ankle rehabilitation robots are developed to enhance ankle strength, flexibility and proprioception after injury and to promote motor learning and ankle plasticity in patients with drop foot. This article reviews the design elements that have been in...
Once-per-step control of ankle-foot prosthesis push-off work reduces effort associated with balance during walking.
Journal of neuroengineering and rehabilitation
May 1, 2015
BACKGROUND: Individuals with below-knee amputation have more difficulty balancing during walking, yet few studies have explored balance enhancement through active prosthesis control. We previously used a dynamical model to show that prosthetic ankle ...
Time-Varying Ankle Mechanical Impedance During Human Locomotion.
IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society
Aug 15, 2014
In human locomotion, we continuously modulate joint mechanical impedance of the lower limb (hip, knee, and ankle) either voluntarily or reflexively to accommodate environmental changes and maintain stable interaction. Ankle mechanical impedance plays...
Passive ankle and hindfoot kinematics within a robot-driven tibial movement envelope.
Journal of biomechanics
Jun 1, 2025
Accurate description of individual bone kinematics is essential for understanding individual foot and ankle joint function and interactions. While invasive and noninvasive techniques, including robotic simulators, have advanced the direct measurement...
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