Spinal cord stimulation for spasticity: historical approaches, current status, and future directions

SJ Nagel, S Wilson, MD Johnson, A Machado… - … : Technology at the …, 2017 - Elsevier
Introduction Millions of people worldwide suffer with spasticity related to irreversible damage
to the brain or spinal cord. Typical antecedent events include stroke, traumatic brain injury …

Alterations in upper limb muscle synergy structure in chronic stroke survivors

J Roh, WZ Rymer, EJ Perreault… - Journal of …, 2013 - journals.physiology.org
Previous studies in neurologically intact subjects have shown that motor coordination can be
described by task-dependent combinations of a few muscle synergies, defined here as a …

[HTML][HTML] Prediction of myoelectric biomarkers in post-stroke gait

I Hussain, SJ Park - Sensors, 2021 - mdpi.com
Electromyography (EMG) is sensitive to neuromuscular changes resulting from ischemic
stroke and is considered a potential predictive tool of post-stroke gait and rehabilitation …

Spastic movement disorder: should we forget hyperexcitable stretch reflexes and start talking about inappropriate prediction of sensory consequences of movement?

JB Nielsen, MS Christensen, SF Farmer… - Experimental Brain …, 2020 - Springer
Spastic movement disorder is characterized by reduced ability to selectively activate
muscles with significant co-activation of antagonist muscles. It has traditionally been thought …

Evidence for altered upper extremity muscle synergies in chronic stroke survivors with mild and moderate impairment

J Roh, WZ Rymer, RF Beer - Frontiers in human neuroscience, 2015 - frontiersin.org
Previous studies indicate that motor coordination may be achieved by assembling task-
dependent combinations of a few muscle synergies, defined here as fixed patterns of …

The relation between Ashworth scores and neuromechanical measurements of spasticity following stroke

L Alibiglou, WZ Rymer, RL Harvey… - … of neuroengineering and …, 2008 - Springer
Background Spasticity is a common impairment that follows stroke, and it results typically in
functional loss. For this reason, accurate quantification of spasticity has both diagnostic and …

Distinguishing active from passive components of ankle plantar flexor stiffness in stroke, spinal cord injury and multiple sclerosis

J Lorentzen, MJ Grey, C Crone, D Mazevet… - Clinical …, 2010 - Elsevier
OBJECTIVE: Spasticity is a common manifestation of lesion of central motor pathways. It is
essential for correct anti-spastic treatment that passive and active contributions to increased …

Testing spasticity mechanisms in chronic stroke before and after intervention with contralesional motor cortex 1 Hz rTMS and physiotherapy

W Mahmoud, H Hultborn, J Zuluaga, C Zrenner… - Journal of …, 2023 - Springer
Background Previous studies showed that repetitive transcranial magnetic stimulation
(rTMS) reduces spasticity after stroke. However, clinical assessments like the modified …

Quantitative ultrasound imaging to assess the biceps brachii muscle in chronic post-stroke spasticity: preliminary observation

J Gao, W He, LJ Du, J Chen, D Park, M Wells… - Ultrasound in Medicine …, 2018 - Elsevier
We prospectively investigated the feasibility of using quantitative ultrasound imaging (QUI)
to assess the biceps brachii muscle (BBM) in individuals with chronic post-stroke spasticity …

Measurement of passive ankle stiffness in subjects with chronic hemiparesis using a novel ankle robot

A Roy, HI Krebs, CT Bever… - Journal of …, 2011 - journals.physiology.org
Our objective in this study was to assess passive mechanical stiffness in the ankle of chronic
hemiparetic stroke survivors and to compare it with those of healthy young and older (age …