It would be nice if you told us if it worked towards recovery or not! But you do word salad quite well, not that that gets survivors recovered!
Responsiveness to exoskeleton loading during bimanual reaching is associated with corticospinal tract integrity in stroke.
NARIC Accession Number: J94484. What's this?
Author(s): Brunfeldt, Alexander T., Bregman, Barbara S., Lum, Peter S..
Publication Year: 2024.
Abstract: Study investigated whether reducing the muscular cost discrepancy between the limbs in chronic stroke survivors would result in their increasing use of their more-impaired arm during bimanual reaching. Fourteen stroke participants performed a bimanual shared cursor reaching task in virtual reality while exoskeletons decreased the effective weight of the more-impaired arm and increased the effective weight of the less-impaired arm. The relative contribution (RC) was calculated as the primary measure of the kinematic relationship between the arms and the muscle contribution (MC) was calculated as the primary measure of the dynamic relationship between the arms from the biceps and deltoids. The corticospinal tract lesion load (wCSTLL) was calculated in a subset of 10 participants. Exoskeleton loading did not change RC or MC at the group level, but significant individual differences emerged. Participants with little overlap between the lesion and corticospinal tract responded to loading by decreasing muscle activity in the more-impaired arm relative to the less-impaired arm. The change in deltoid MC was associated with smaller wCSTLL; there was no such relationship for biceps MC. This study provides evidence that corticospinal tract integrity is a critical feature that determines one's ability to respond to upper-extremity exoskeleton loading.
Descriptor Terms: BIOENGINEERING, BODY MOVEMENT, COMPUTER APPLICATIONS, ELECTROPHYSIOLOGY, IMAGING, LIMBS, MOTOR SKILLS, REHABILITATION TECHNOLOGY, ROBOTICS, STROKE, TASK ANALYSIS.
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Get this Document: https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2024.1348103/full.
Author(s): Brunfeldt, Alexander T., Bregman, Barbara S., Lum, Peter S..
Publication Year: 2024.
Abstract: Study investigated whether reducing the muscular cost discrepancy between the limbs in chronic stroke survivors would result in their increasing use of their more-impaired arm during bimanual reaching. Fourteen stroke participants performed a bimanual shared cursor reaching task in virtual reality while exoskeletons decreased the effective weight of the more-impaired arm and increased the effective weight of the less-impaired arm. The relative contribution (RC) was calculated as the primary measure of the kinematic relationship between the arms and the muscle contribution (MC) was calculated as the primary measure of the dynamic relationship between the arms from the biceps and deltoids. The corticospinal tract lesion load (wCSTLL) was calculated in a subset of 10 participants. Exoskeleton loading did not change RC or MC at the group level, but significant individual differences emerged. Participants with little overlap between the lesion and corticospinal tract responded to loading by decreasing muscle activity in the more-impaired arm relative to the less-impaired arm. The change in deltoid MC was associated with smaller wCSTLL; there was no such relationship for biceps MC. This study provides evidence that corticospinal tract integrity is a critical feature that determines one's ability to respond to upper-extremity exoskeleton loading.
Descriptor Terms: BIOENGINEERING, BODY MOVEMENT, COMPUTER APPLICATIONS, ELECTROPHYSIOLOGY, IMAGING, LIMBS, MOTOR SKILLS, REHABILITATION TECHNOLOGY, ROBOTICS, STROKE, TASK ANALYSIS.
Can this document be ordered through NARIC's document delivery service*?: Request Information.
Get this Document: https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2024.1348103/full.
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