[HTML][HTML] Upper limbs muscle co-contraction changes correlated with the impairment of the corticospinal tract in stroke survivors: preliminary evidence from …

W Sheng, S Li, J Zhao, Y Wang, Z Luo… - Frontiers in …, 2022 - frontiersin.org
Objective Increased muscle co-contraction of the agonist and antagonist muscles during
voluntary movement is commonly observed in the upper limbs of stroke survivors. Much …

Impact of the EMG normalization method on muscle activation and the antagonist-agonist co-contraction index during active elbow extension: Practical implications for …

A Chalard, M Belle, E Montané, P Marque… - Journal of …, 2020 - Elsevier
Electromyographic (EMG) raw signals are sensitive to intrinsic and extrinsic factors.
Consequently, EMG normalization is required to draw proper interpretations of standardized …

Spastic co-contraction is directly associated with altered cortical beta oscillations after stroke

A Chalard, D Amarantini, J Tisseyre, P Marque… - Clinical …, 2020 - Elsevier
Objective Spastic co-contraction is a motor-disabling form of muscle overactivity occurring
after a stroke, contributing to a limitation in active movement and a certain level of motor …

Botulinum toxin combined with rehabilitation decrease corticomuscular coherence in stroke patients

C Delcamp, C Cormier, A Chalard, D Amarantini… - Clinical …, 2022 - Elsevier
Objective Stroke results in limitation of active range of motion involving antagonist co-
contraction. The analysis of brain-muscle connectivity can be used to deepen understanding …

Surface-Electromyography-Based Co-Contraction Index for Monitoring Upper Limb Improvements in Post-Stroke Rehabilitation: A Pilot Randomized Controlled Trial …

V Bandini, I Carpinella, A Marzegan, J Jonsdottir… - Sensors, 2023 - mdpi.com
Persons post-stroke experience excessive muscle co-contraction, and consequently the arm
functions are compromised during the activities of daily living. Therefore, identifying …

[HTML][HTML] Effects of Diagnostic Tibial Nerve Block and Selective Tibial Nerve Neurotomy on Spasticity and Spastic co-contractions: A Retrospective Observational Study

JP Lamora, T Deltombe, T Gustin - Journal of rehabilitation …, 2023 - ncbi.nlm.nih.gov
Objective To assess the effects of diagnostic nerve block and selective tibial neurotomy on
spasticity and co-contractions in patients with spastic equinovarus foot. Methods Among 317 …

[HTML][HTML] Changes in intermuscular connectivity during active elbow extension reveal a functional simplification of motor control after stroke

C Delcamp, C Cormier, A Chalard… - Frontiers in …, 2022 - frontiersin.org
Background Stroke alters muscle co-activation and notably leads to exaggerated antagonist
co-contraction responsible for impaired motor function. However, the mechanisms …

Measurement properties of movement smoothness metrics for upper limb reaching movements in people with moderate to severe subacute stroke

G Cornec, M Lempereur, J Mensah-Gourmel… - Journal of …, 2024 - Springer
Background Movement smoothness is a potential kinematic biomarker of upper extremity
(UE) movement quality and recovery after stroke; however, the measurement properties of …

[HTML][HTML] 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 …

Respective contributions of instrumented 3D Gait analysis data and tibial motor nerve block on presurgical spastic equinus foot assessment: a retrospective study of …

C Cormier, C Sourisseau, E Montane… - Frontiers in …, 2022 - frontiersin.org
Spastic equinus foot is a common deformity in neurologic patients who compromise walking
ability. It is related to the imbalance between weak dorsiflexion and overactive plantar flexor …