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Special Issue "Advances in the Study of Anticipatory Postural Adjustments"

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Department of Kinesiology, Nutrition, and Health, Miami University, 205G Phillips Hall, 420 S. Oak St., Oxford, OH 45056, USA
Interests: anticipatory postural adjustments; distraction; attention; gait; visual control of movement

Special Issue Information

Dear Colleagues,

Postural stability is critical to the execution of almost any voluntary movement.

Anticipatory postural adjustments (APAs) are feed-forward mechanisms initiated by the central nervous system (CNS) in response to expected postural disturbances, and that produce preemptive muscle responses to help maintain stability. APAs occur in both self- and externally-induced perturbations to posture and stability. This Special Issue of Brain Sciences aims to present a collection of papers detailing the most recent advancements in the understanding of APAs in both self- and externally-induced perturbations. Authors are invited to submit new research reports and reviews that address a broad range of topics related to APAs including, but not limited to neuroscience, psychology, motor control, locomotion, kinesiology, rehabilitation exercise, stability training, ageing, and movement deficits. I hope that this Special Issue will serve to foster a more complete understanding of APAs as well as to encourage pioneering research on these mechanisms.

Prof. Dr. William P. Berg
Guest Editor

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Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Keywords

posture
stability
anticipatory postural adjustments
balance
locomotion
motor control
neuroscience
rehabilitation
training

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Research

Open AccessArticle

Pediatric Slow-Progressive, but Not Non-Progressive Cerebellar Ataxia Delays Intra-Limb Anticipatory Postural Adjustments in the Upper Arm

Silvia Maria Marchese

Roberto Esposti

Veronica Farinelli

Claudia Ciaccio

Arianna De Laurentiis

Stefano D’Arrigo

and

Paolo Cavallari

Brain Sci. 2023, 13(4), 620; https://doi.org/10.3390/brainsci13040620 - 05 Apr 2023

Viewed by 968

Abstract

We recently investigated the role of the cerebellum during development, reporting that children with genetic slow-progressive ataxia (SlowP) show worse postural control during quiet stance and gait initiation compared to healthy children (H). Instead, children with genetic non-progressive ataxia (NonP) recalled the behavior of H. This may derive from compensatory networks, which are hindered by disease progression in SlowP while free to develop in NonP. In the aim of extending our findings to intra-limb postural control, we recorded, in 10 NonP, 10 SlowP and 10 H young patients, Anticipatory Postural Adjustments (APAs) in the proximal muscles of the upper-limb and preceding brisk index finger flexions. No significant differences in APA timing occurred between NonP and H, while APAs in SlowP were delayed. Indeed, the excitatory APA in Triceps Brachii was always present but significantly delayed with respect to both H and NonP. Moreover, the inhibitory APAs in the Biceps Brachii and Anterior Deltoid, which are normally followed by a late excitation, could not be detected in most SlowP children, as if inhibition was delayed to the extent where there was overlap with a late excitation. In conclusion, disease progression seems to be detrimental for intra-limb posture, supporting the idea that inter- and intra-limb postures seemingly share the same control mechanism. Full article

(This article belongs to the Special Issue Advances in the Study of Anticipatory Postural Adjustments)

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Special Issue "Advances in the Study of Anticipatory Postural Adjustments"

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