ArticleJournal of neurophysiology2013
Locomotor adaptation to a soleus EMG-controlled antagonistic exoskeleton.
Article in Journal of neurophysiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Effects of robotic assistance on muscle activation and fatigue during overground walking in non-disabled individuals: an exploratory study.Journal of neuroengineering and rehabilitation · 2026Article
- Efficacy and biomechanical effects of the powered lower-limbs exoskeletons Keeogo in adults with neuromuscular diseases.Journal of neuroengineering and rehabilitation · 2026Article
- Article
- Decoding the brain-machine interaction for upper limb assistive technologies: advances and challenges.Frontiers in human neuroscience · 2025Review
- Development of a neural efficiency metric to assess human-exoskeleton adaptations.Frontiers in robotics and AI · 2025Article
- Lower Limb Exoskeleton Sensors: State-of-the-Art.Sensors (Basel, Switzerland) · 2022Review
- General variability leads to specific adaptation toward optimal movement policies.Current biology : CB · 2022Article
- Ankle resistance with a unilateral soft exosuit increases plantarflexor effort during pushoff in unimpaired individuals.Journal of neuroengineering and rehabilitation · 2021Article
- Design and Preliminary Assessment of a Passive Elastic Leg Exoskeleton for Resistive Gait Rehabilitation.IEEE transactions on bio-medical engineering · 2021Article
- Neuromechanics and Energetics of Walking With an Ankle Exoskeleton Using Neuromuscular-Model Based Control: A Parameter Study.Frontiers in bioengineering and biotechnology · 2021Article
- A simple, clinically applicable motor learning protocol to increase push-off during gait: A proof-of-concept.PloS one · 2021Article
- Robust Torque Predictions From Electromyography Across Multiple Levels of Active Exoskeleton Assistance Despite Non-linear Reorganization of Locomotor Output.Frontiers in neurorobotics · 2021Article
- Challenges and solutions for application and wider adoption of wearable robots.Wearable technologies · 2021Review
- Critical Issues and Imminent Challenges in the Use of sEMG in Return-To-Work Rehabilitation of Patients Affected by Neurological Disorders in the Epoch of Human-Robot Collaborative Technologies.Frontiers in neurology · 2020Article
- Taking advantage of external mechanical work to reduce metabolic cost: the mechanics and energetics of split-belt treadmill walking.The Journal of physiology · 2019Article
- Latent Factors Limiting the Performance of sEMG-Interfaces.Sensors (Basel, Switzerland) · 2018Article
- A Biomechanical Comparison of Proportional Electromyography Control to Biological Torque Control Using a Powered Hip Exoskeleton.Frontiers in bioengineering and biotechnology · 2017Article
- Learning to walk with an adaptive gain proportional myoelectric controller for a robotic ankle exoskeleton.Journal of neuroengineering and rehabilitation · 2015Article
- An upper-limb power-assist exoskeleton using proportional myoelectric control.Sensors (Basel, Switzerland) · 2014Article
- Control of Leg Movements Driven by EMG Activity of Shoulder Muscles.Frontiers in human neuroscience · 2014Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Locomotor adaptation in humans is not well understood. To provide insight into the neural reorganization that occurs following a significant disruption to one's learned neuromuscular map relating a given motor command to its resulting muscular action, we tied the mechanical action of a robotic exoskeleton to the electromyography (EMG) profile of the soleus muscle during walking. The powered exoskeleton produced an ankle dorsiflexion torque proportional to soleus muscle recruitment thus limiting the soleus' plantar flexion torque capability. We hypothesized that neurologically intact subjects would alter muscle activation patterns in response to the antagonistic exoskeleton by decreasing soleus recruitment. Subjects practiced walking with the exoskeleton for two 30-min sessions. The initial response to the perturbation was to "fight" the resistive exoskeleton by increasing soleus activation. By the end of training, subjects had significantly reduced soleus recruitment resulting in a gait pattern with almost no ankle push-off. In addition, there was a trend for subjects to reduce gastrocnemius recruitment in proportion to the soleus even though only the soleus EMG was used to control the exoskeleton. The results from this study demonstrate the ability of the nervous system to recalibrate locomotor output in response to substantial changes in the mechanical output of the soleus muscle and associated sensory feedback. This study provides further evidence that the human locomotor system of intact individuals is highly flexible and able to adapt to achieve effective locomotion in response to a broad range of neuromuscular perturbations.
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