Increased antagonist muscle activity in cervical SCI patients suggests altered reciprocal inhibition during elbow contractions

S Cremoux, D Amarantini, J Tallet, F Dal Maso… - Clinical …, 2016 - Elsevier
Objective After spinal cord injury (SCI), the antagonist muscles activation is increased during
voluntary contractions and reflex conditioning protocols. This increase can be the result of …

Impaired corticomuscular coherence during isometric elbow flexion contractions in humans with cervical spinal cord injury

S Cremoux, J Tallet, F Dal Maso… - European Journal of …, 2017 - Wiley Online Library
After spinal cord injury (SCI), the reorganization of the neuromuscular system leads to
increased antagonist muscles' co‐activation—that is, increased antagonist vs. agonist …

Motor-related cortical activity after cervical spinal cord injury: multifaceted EEG analysis of isometric elbow flexion contractions

S Cremoux, J Tallet, E Berton, F Dal Maso… - Brain research, 2013 - Elsevier
Electroencephalographic (EEG) studies have well established that motor cortex (M1)
activity~ 20 Hz decreases during muscular contraction and increases as soon as contraction …

Enhanced inhibitory input to triceps brachii in humans with spinal cord injury

CLP Butler, S Sangari, B Chen… - The Journal of …, 2024 - Wiley Online Library
Most individuals with cervical spinal cord injury (SCI) show increased muscle weakness in
the elbow extensor compared to elbow flexor muscles. Although this is a well‐known …

Does the force level modulate the cortical activity during isometric contractions after a cervical spinal cord injury?

S Cremoux, J Tallet, E Berton, F Dal Maso… - Clinical …, 2013 - Elsevier
OBJECTIVE: This study investigated the effects of a cervical spinal cord injury (SCI) on the
modulation of cortical desynchronization (ERD) during isometric contractions at different …

Increased spinal reflex excitability is associated with enhanced central activation during voluntary lengthening contractions in human spinal cord injury

HE Kim, DM Corcos, TG Hornby - Journal of …, 2015 - journals.physiology.org
This study of chronic incomplete spinal cord injury (SCI) subjects investigated patterns of
central motor drive (ie, central activation) of the plantar flexors using interpolated twitches …

Voluntary muscle weakness and co-activation after chronic cervical spinal cord injury

CK Thomas, ME Tucker… - Journal of …, 1998 - liebertpub.com
Muscle strength was assessed from the maximum force that could be exerted voluntarily by
triceps brachii muscles of 72 people with chronic cervical spinal cord injury (SCI) at or above …

The effect of paired corticospinal–motoneuronal stimulation on maximal voluntary elbow flexion in cervical spinal cord injury: an experimental study

SC Dongés, CL Boswell-Ruys, JE Butler, JL Taylor - Spinal Cord, 2019 - nature.com
Study design Randomised, controlled, crossover study. Objectives Paired corticospinal–
motoneuronal stimulation (PCMS) involves repeatedly pairing stimuli to corticospinal …

Preservation of functional descending input to paralyzed upper extremity muscles in motor complete cervical spinal cord injury

P Sharma, A Naglah, S Aslan, F Khalifa, A El-Baz… - Clinical …, 2023 - Elsevier
Objective Spinal cord injury (SCI) is classified as complete or incomplete depending on the
extent of sensorimotor preservation below the injury level. However, individuals with …

Muscle activation varies with contraction mode in human spinal cord injury

HE Kim, CK Thompson, TG Hornby - Muscle & nerve, 2015 - Wiley Online Library
Introduction: To better understand volitional force generation after chronic incomplete spinal
cord injury (SCI), we examined muscle activation during single and repeated isometric …