Motor imagery practice benefits during arm immobilization

Abstract Motor imagery (MI) is known to engage motor networks and is increasingly used as a relevant strategy in functional rehabilitation following immobilization, whereas its effects when applied during immobilization remain underexplored. Here, we hypothesized that MI practice during 11 h of arm-...

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Autores principales:	Ursula Debarnot, Aurore. A. Perrault, Virginie Sterpenich, Guillaume Legendre, Chieko Huber, Aymeric Guillot, Sophie Schwartz
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/19f6319f8bb04299b3203039d5ad58a0
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spelling	oai:doaj.org-article:19f6319f8bb04299b3203039d5ad58a02021-12-02T17:14:58ZMotor imagery practice benefits during arm immobilization10.1038/s41598-021-88142-62045-2322https://doaj.org/article/19f6319f8bb04299b3203039d5ad58a02021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88142-6https://doaj.org/toc/2045-2322Abstract Motor imagery (MI) is known to engage motor networks and is increasingly used as a relevant strategy in functional rehabilitation following immobilization, whereas its effects when applied during immobilization remain underexplored. Here, we hypothesized that MI practice during 11 h of arm-immobilization prevents immobilization-related changes at the sensorimotor and cortical representations of hand, as well as on sleep features. Fourteen participants were tested after a normal day (without immobilization), followed by two 11-h periods of immobilization, either with concomitant MI treatment or control tasks, one week apart. At the end of each condition, participants were tested on a hand laterality judgment task, then underwent transcranial magnetic stimulation to measure cortical excitability of the primary motor cortices (M1), followed by a night of sleep during which polysomnography data was recorded. We show that MI treatment applied during arm immobilization had beneficial effects on (1) the sensorimotor representation of hands, (2) the cortical excitability over M1 contralateral to arm-immobilization, and (3) sleep spindles over both M1s during the post-immobilization night. Furthermore, (4) the time spent in REM sleep was significantly longer, following the MI treatment. Altogether, these results support that implementing MI during immobilization may limit deleterious effects of limb disuse, at several levels of sensorimotor functioning.Ursula DebarnotAurore. A. PerraultVirginie SterpenichGuillaume LegendreChieko HuberAymeric GuillotSophie SchwartzNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ursula Debarnot Aurore. A. Perrault Virginie Sterpenich Guillaume Legendre Chieko Huber Aymeric Guillot Sophie Schwartz Motor imagery practice benefits during arm immobilization
description	Abstract Motor imagery (MI) is known to engage motor networks and is increasingly used as a relevant strategy in functional rehabilitation following immobilization, whereas its effects when applied during immobilization remain underexplored. Here, we hypothesized that MI practice during 11 h of arm-immobilization prevents immobilization-related changes at the sensorimotor and cortical representations of hand, as well as on sleep features. Fourteen participants were tested after a normal day (without immobilization), followed by two 11-h periods of immobilization, either with concomitant MI treatment or control tasks, one week apart. At the end of each condition, participants were tested on a hand laterality judgment task, then underwent transcranial magnetic stimulation to measure cortical excitability of the primary motor cortices (M1), followed by a night of sleep during which polysomnography data was recorded. We show that MI treatment applied during arm immobilization had beneficial effects on (1) the sensorimotor representation of hands, (2) the cortical excitability over M1 contralateral to arm-immobilization, and (3) sleep spindles over both M1s during the post-immobilization night. Furthermore, (4) the time spent in REM sleep was significantly longer, following the MI treatment. Altogether, these results support that implementing MI during immobilization may limit deleterious effects of limb disuse, at several levels of sensorimotor functioning.
format	article
author	Ursula Debarnot Aurore. A. Perrault Virginie Sterpenich Guillaume Legendre Chieko Huber Aymeric Guillot Sophie Schwartz
author_facet	Ursula Debarnot Aurore. A. Perrault Virginie Sterpenich Guillaume Legendre Chieko Huber Aymeric Guillot Sophie Schwartz
author_sort	Ursula Debarnot
title	Motor imagery practice benefits during arm immobilization
title_short	Motor imagery practice benefits during arm immobilization
title_full	Motor imagery practice benefits during arm immobilization
title_fullStr	Motor imagery practice benefits during arm immobilization
title_full_unstemmed	Motor imagery practice benefits during arm immobilization
title_sort	motor imagery practice benefits during arm immobilization
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/19f6319f8bb04299b3203039d5ad58a0
work_keys_str_mv	AT ursuladebarnot motorimagerypracticebenefitsduringarmimmobilization AT auroreaperrault motorimagerypracticebenefitsduringarmimmobilization AT virginiesterpenich motorimagerypracticebenefitsduringarmimmobilization AT guillaumelegendre motorimagerypracticebenefitsduringarmimmobilization AT chiekohuber motorimagerypracticebenefitsduringarmimmobilization AT aymericguillot motorimagerypracticebenefitsduringarmimmobilization AT sophieschwartz motorimagerypracticebenefitsduringarmimmobilization
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Motor imagery practice benefits during arm immobilization

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