Moving toward elucidating alternative motor pathway structures post-stroke: the value of spinal cord neuroimaging

R Oquita, V Cuello, S Uppati, S Mannuru… - Frontiers in …, 2024 - frontiersin.org
Stroke results in varying levels of motor and sensory disability that have been linked to the
neurodegeneration and neuroinflammation that occur in the infarct and peri-infarct regions …

The complementary dominance hypothesis: a model for remediating the 'good'hand in stroke survivors

NM Kitchen, B Dexheimer, J Yuk… - The Journal of …, 2024 - Wiley Online Library
The complementary dominance hypothesis is a novel model of motor lateralization
substantiated by decades of research examining interlimb differences in the control of upper …

A new methodological approach to characterize selective motor control in children with cerebral palsy

V Graci, M O'Neill, M Bloss, R Akkem… - Frontiers in Human …, 2024 - frontiersin.org
Introduction Despite being a primary impairment in individuals with cerebral palsy (CP),
selective motor control (SMC) is not routinely measured. Personalized treatment approaches …

Intrinsic properties of spinal motoneurons degrade ankle torque control in humans

JA Beauchamp, GEP Pearcey, OU Khurram, F Negro… - bioRxiv, 2023 - biorxiv.org
Motoneurons are the final common pathway for all motor commands and possess intrinsic
electrical properties that must be tuned to control muscle across the full range of motor …

Alterations in the preferred direction of individual arm muscle activation after stroke

YNG Hong, J Roh - Frontiers in Neurology, 2023 - frontiersin.org
Introduction Stroke survivors have challenges appropriately coordinating the multiple
muscles, resulting in a deficit in motor control. Therefore, comprehending the mechanism …

[HTML][HTML] Motor unit firing rate modulation is more impaired during flexion synergy-driven contractions of the biceps brachii in chronic stroke

JA Beauchamp, AS Hassan, LM McPherson, F Negro… - medRxiv, 2023 - ncbi.nlm.nih.gov
Following a hemiparetic stroke, individuals exhibit altered motor unit firing patterns during
voluntary muscle contractions, including impairments in firing rate modulation and …

Variation in brain connectivity during motor imagery and motor execution in stroke patients based on electroencephalography

D Guo, J Hu, D Wang, C Wang, S Yue, F Xu… - Frontiers in …, 2024 - frontiersin.org
Objective The objective of this study was to analyze the changes in connectivity between
motor imagery (MI) and motor execution (ME) in the premotor area (PMA) and primary motor …

Peripheral nerve blocks of wrist and finger flexors can increase hand opening in chronic hemiparetic stroke

HA Dewald, J Yao, JPA Dewald, A Nader… - Frontiers in …, 2024 - frontiersin.org
Introduction Hand opening is reduced by abnormal wrist and finger flexor activity in many
individuals with stroke. This flexor activity also limits hand opening produced by functional …

Corticospinal excitability during motor preparation of upper extremity reaches reflects flexor muscle synergies: A novel principal component-based motor evoked …

TE Augenstein, S Oh, TA Norris… - Restorative …, 2024 - content.iospress.com
Background: Previous research has shown that noninvasive brain stimulation can be used
to study how the central nervous system (CNS) prepares the execution of a motor task …

[HTML][HTML] Individuals with hemiparetic stroke abnormally perceive their elbow torques when abducting their paretic shoulder

NM Cai, JPA Dewald, N Gurari - Clinical Neurophysiology, 2023 - Elsevier
Objective Individuals with hemiparetic stroke exhibit an abnormal coupling between
shoulder abduction and elbow flexion, or flexion synergy, due to an increased reliance on …