Searched for: author%3A%22van+Asseldonk%2C+Edwin%22
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van Mierlo, Michelle (author), Ormiston, Jean A. (author), Vlutters, Mark (author), Van Asseldonk, Edwin H.F. (author), van der Kooij, H. (author)
Increasing knowledge on human balance recovery strategies is important for the development of balance assistance strategies using assistive devices like a powered lower-limb exoskeleton. One of the postures which is relevant for this scenario, but underexposed in research, is staggered stance, a posture with one foot in front. We therefore aimed...
journal article 2023
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Rampeltshammer, Wolfgang (author), Keemink, Arvid (author), Sytsma, Menno (author), van Asseldonk, Edwin (author), van der Kooij, H. (author)
Series elastic actuators (SEA) with their inherent compliance offer a safe torque source for robots that are interacting with various environments, including humans. These applications have high requirements for the SEA torque controllers, both in the torque response as well as interaction behavior with its environment. To differentiate state...
journal article 2023
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van’t Veld, Ronald C. (author), Flux, Eline (author), van Oorschot, Wieneke (author), Schouten, A.C. (author), van der Krogt, Marjolein M. (author), van der Kooij, H. (author), Vos-van der Hulst, Marije (author), Keijsers, Noël L.W. (author), van Asseldonk, Edwin H.F. (author)
Background: Spasticity, i.e. stretch hyperreflexia, increases joint resistance similar to symptoms like hypertonia and contractures. Botulinum neurotoxin-A (BoNT-A) injections are a widely used intervention to reduce spasticity. BoNT-A effects on spasticity are poorly understood, because clinical measures, e.g. modified Ashworth scale (MAS),...
journal article 2023
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Bayón, Cristina (author), Keemink, Arvid Q.L. (author), van Mierlo, Michelle (author), Rampeltshammer, Wolfgang (author), van der Kooij, H. (author), van Asseldonk, Edwin H.F. (author)
BACKGROUND: In the last two decades, lower-limb exoskeletons have been developed to assist human standing and locomotion. One of the ongoing challenges is the cooperation between the exoskeleton balance support and the wearer control. Here we present a cooperative ankle-exoskeleton control strategy to assist in balance recovery after...
journal article 2022
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van der Kooij, H. (author), Fricke, Simone S. (author), Van 't Veld, Ronald C. (author), Prieto, Ander Vallinas (author), Keemink, Arvid Q.L. (author), Schouten, A.C. (author), Van Asseldonk, Edwin H.F. (author)
Knowledge on joint impedance during walking in various conditions is relevant for clinical decision-making and the development of robotic gait trainers, leg prostheses, leg orthotics and wearable exoskeletons. Whereas ankle impedance during walking has been experimentally assessed, knee and hip joint impedance during walking have not been...
journal article 2022
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van 't Veld, Ronald (author), Flux, Eline (author), Schouten, A.C. (author), van der Krogt, Marjolein (author), van der Kooij, H. (author), Van Asseldonk, Edwin H.F. (author)
People with spasticity, i.e., stretch hyperreflexia, have a limited functional independence and mobility. While a broad range of spasticity treatments is available, many treatments are invasive, non-specific, or temporary and might have negative side effects. Operant conditioning of the stretch reflex is a promising non-invasive paradigm with...
journal article 2021
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van ’t Veld, Ronald C. (author), Schouten, A.C. (author), van der Kooij, H. (author), van Asseldonk, Edwin H.F. (author)
Background: People with brain or neural injuries, such as cerebral palsy or spinal cord injury, commonly have joint hyper-resistance. Diagnosis and treatment of joint hyper-resistance is challenging due to a mix of tonic and phasic contributions. The parallel-cascade (PC) system identification technique offers a potential solution to...
journal article 2021
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Beckers, N.W.M. (author), van Asseldonk, Edwin H.F. (author), van der Kooij, H. (author)
Haptic interaction between two humans, for example, a physiotherapist assisting a patient regaining the ability to grasp a cup, likely facilitates motor skill acquisition. Haptic human–human interaction has been shown to enhance individual performance improvement in a tracking task with a visuomotor rotation perturbation. These results are...
journal article 2020
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Fricke, Simone S. (author), Smits, Hilde J.G. (author), Bayón, Cristina (author), Buurke, Jaap H. (author), van der Kooij, H. (author), van Asseldonk, Edwin H.F. (author)
Background: Recently developed controllers for robot-assisted gait training allow for the adjustment of assistance for specific subtasks (i.e. specific joints and intervals of the gait cycle that are related to common impairments after stroke). However, not much is known about possible interactions between subtasks and a better understanding...
journal article 2020
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Wu, Amy R. (author), Simpson, Cole S. (author), van Asseldonk, Edwin H.F. (author), van der Kooij, H. (author), Ijspeert, Auke J. (author)
Human walking speeds can be influenced by multiple factors, from energetic considerations to the time to reach a destination. Neurological deficits or lower-limb injuries can lead to slower walking speeds, and the recovery of able-bodied gait speed and behavior from impaired gait is considered an important rehabilitation goal. Because gait...
journal article 2019
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van 't Veld, R.C. (author), Schouten, A.C. (author), van der Kooij, H. (author), Van Asseldonk, Edwin H.F. (author)
poster 2018
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Van'T Veld, Ronald C. (author), Schouten, A.C. (author), van der Kooij, H. (author), Van Asseldonk, Edwin H.F. (author)
Biofeedback of online system identification estimates of intrinsic and reflexive joint impedance can be used by able-bodied subjects to voluntarily modulate their reflexive impedance independent of the intrinsic contribution. Similar to EMG-based paradigms, this could potentially be used to reduce muscle hyperreflexia in people with...
conference paper 2018
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Kuck, Alexander (author), Stegeman, Dick F. (author), van der Kooij, H. (author), Van Asseldonk, Edwin H.F. (author)
Trans-spinal direct current stimulation (tsDCS) is an electro-modulatory tool with possible application in the rehabilitation of spinal cord injury. TsDCS generates a small electric field, aiming to induce lasting, functional neuromodulation in the targeted neuronal networks. Earlier studies have shown significant modulatory effects after...
journal article 2018
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Wu, Amy R. (author), Dzeladini, Florin (author), Brug, Tycho J.H. (author), Tamburella, Federica (author), Tagliamonte, Nevio L. (author), Van Asseldonk, Edwin H.F. (author), van der Kooij, H. (author), Ijspeert, Auke J. (author)
Versatility is important for a wearable exoskeleton controller to be responsive to both the user and the environment. These characteristics are especially important for subjects with spinal cord injury (SCI), where active recruitment of their own neuromuscular system could promote motor recovery. Here we demonstrate the capability of a novel,...
journal article 2017
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Shirota, Camila (author), van Asseldonk, Edwin (author), Matjacic, Zlatko (author), Vallery, H. (author), Barralon, Pierre (author), Maggioni, Serena (author), Buurke, Jaap H. (author), Veneman, Jan F. (author)
Clinically useful and efficient assessment of balance during standing and walking is especially challenging in patients with neurological disorders. However, rehabilitation robots could facilitate assessment procedures and improve their clinical value. We present a short overview of balance assessment in clinical practice and in posturography....
journal article 2017
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