[HTML][HTML] 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 …

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] Evaluation of functional correlation of task-specific muscle synergies with motor performance in patients poststroke

S Li, C Zhuang, CM Niu, Y Bao, Q Xie, N Lan - Frontiers in Neurology, 2017 - frontiersin.org
The central nervous system produces movements by activating specifically programmed
muscle synergies that are also altered with injuries in the brain, such as stroke. In this study …

[HTML][HTML] Impairment in task-specific modulation of muscle coordination correlates with the severity of hand impairment following stroke

SW Lee, K Triandafilou, BA Lock, DG Kamper - PloS one, 2013 - journals.plos.org
Significant functional impairment of the hand is commonly observed in stroke survivors. Our
previous studies suggested that the inability to modulate muscle coordination patterns …

[HTML][HTML] Alterations of muscle synergies during voluntary arm reaching movement in subacute stroke survivors at different levels of impairment

B Pan, Y Sun, B Xie, Z Huang, J Wu, J Hou… - Frontiers in …, 2018 - frontiersin.org
Motor system uses muscle synergies as a modular organization to simplify the control of
movements. Motor cortical impairments, such as stroke and spinal cord injuries, disrupt the …

Muscle synergies: implications for clinical evaluation and rehabilitation of movement

S Safavynia, G Torres-Oviedo… - Topics in spinal cord …, 2011 - meridian.allenpress.com
We present a method called muscle synergy analysis, which can offer clinicians insight into
both underlying neural strategies for movement and functional outcomes of muscle activity …

[HTML][HTML] Cortex integrity relevance in muscle synergies in severe chronic stroke

E García-Cossio, D Broetz, N Birbaumer… - Frontiers in human …, 2014 - frontiersin.org
Background: Recent experimental evidence has indicated that the motor system coordinates
muscle activations through a linear combination of muscle synergies that are specified at the …

Alterations in muscle networks in the upper extremity of chronic stroke survivors

M Houston, X Li, P Zhou, S Li, J Roh… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Muscle networks describe the functional connectivity between muscles quantified through
the decomposition of intermuscular coherence (IMC) to identify shared frequencies at which …

Differences between flexion and extension synergy-driven coupling at the elbow, wrist, and fingers of individuals with chronic hemiparetic stroke

LM McPherson, JPA Dewald - Clinical Neurophysiology, 2019 - Elsevier
Objective The flexion and extension synergies were quantified at the paretic elbow, forearm,
wrist, and finger joints within the same group of participants for the first time. Differences in …

Functional synergy recruitment index as a reliable biomarker of motor function and recovery in chronic stroke patients

N Irastorza-Landa, E García-Cossio… - Journal of neural …, 2021 - iopscience.iop.org
Objective. Stroke affects the expression of muscle synergies underlying motor control, most
notably in patients with poorer motor function. The majority of studies on muscle synergies …