ArticleJournal of neurophysiology2017
Rapid and flexible whole body postural responses are evoked from perturbations to the upper limb during goal-directed reaching.
Article in Journal of neurophysiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Adaptation of Transcortical Responses in Upper Extremity Movements During an Elbow Visuomotor Tracking Task in Humans.Journal of functional morphology and kinesiology · 2025Article
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- The influence of sport-related concussion history on standing balance during upper limb movements under varying attentional demands.Experimental brain research · 2025Article
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- Effects of chewing on postural learning: An experimental pre-post intervention study.PloS one · 2025Article
- Reinforcement-based processes actively regulate motor exploration along redundant solution manifolds.Proceedings. Biological sciences · 2023Article
- Continuous evaluation of cost-to-go for flexible reaching control and online decisions.PLoS computational biology · 2023Article
- The sensorimotor system modulates muscular co-contraction relative to visuomotor feedback responses to regulate movement variability.Journal of neurophysiology · 2023Article
- Proprioceptive and Visual Feedback Responses in Macaques Exploit Goal Redundancy.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- The effect of increased cognitive processing on reactive balance control following perturbations to the upper limb.Experimental brain research · 2022Article
- Integration of proprioceptive and visual feedback during online control of reaching.Journal of neurophysiology · 2022Article
- High contextual interference in perturbation-based balance training leads to persistent and generalizable stability gains of compensatory limb movements.Experimental brain research · 2020Article
- Characteristics of medial-lateral postural control while exposed to the external perturbation in step initiation.Scientific reports · 2019Article
- Integrated robotics platform with haptic control differentiates subjects with Parkinson's disease from controls and quantifies the motor effects of levodopa.Journal of neuroengineering and rehabilitation · 2019Article
- Visual Feedback Processing of the Limb Involves Two Distinct Phases.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019Article
- Postural responses to target jumps and background motion in a fast pointing task.Experimental brain research · 2018Article
- Effects of Aging on Postural Responses to Visual Perturbations During Fast Pointing.Frontiers in aging neuroscience · 2018Article
- Origin of directionally tuned responses in lower limb muscles to unpredictable upper limb disturbances.PloS one · 2017Article
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3 authors.
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Abstract
An important aspect of motor control is the ability to perform tasks with the upper limbs while maintaining whole body balance. However, little is known about the coordination of upper limb voluntary and whole body postural control after mechanical disturbances that require both upper limb motor corrections to attain a behavioral goal and lower limb motor responses to maintain whole body balance. The present study identified the temporal organization of muscle responses and center of pressure (COP) changes following mechanical perturbations during reaching. Our results demonstrate that muscle responses in the upper limb are evoked first (∼50 ms), with lower limb muscle activity occurring immediately after, in as little as ∼60 ms after perturbation. Hand motion was immediately altered by the load, while COP changes occurred after ∼100 ms, when lower limb muscle activity was already present. Our secondary findings showed that both muscle activity and COP changes were influenced by behavioral context (by altering target shape, circle vs. rectangle). Voluntary and postural actions initially directed the hand toward the center of both target types, but after the perturbation upper limb and postural responses redirected the hand toward different spatial locations along the rectangle. Muscle activity was increased for both upper and lower limbs when correcting to the circle vs. the rectangle, and these differences emerged as early as the long-latency epoch (∼75-120 ms). Our results demonstrate that postural responses are rapidly and flexibly altered to consider the behavioral goal of the upper limb.
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