Fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization

Abstract Before and immediately after passive upper limb neurodynamic mobilizations targeting the median nerve, grip ( $$G_F$$ G F ) and load ( $$L_F$$ L F ) forces applied by the thumb, index and major fingers (three-jaw chuck pinch) were collected using a manipulandum during three different grip p...

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Autores principales:	Frédéric Dierick, Jean-Michel Brismée, Olivier White, Anne-France Bouché, Céline Périchon, Nastasia Filoni, Vincent Barvaux, Fabien Buisseret
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5201be5ececf4d6882052956bafb277a
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spelling	oai:doaj.org-article:5201be5ececf4d6882052956bafb277a2021-12-02T15:23:07ZFine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization10.1038/s41598-021-93036-82045-2322https://doaj.org/article/5201be5ececf4d6882052956bafb277a2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93036-8https://doaj.org/toc/2045-2322Abstract Before and immediately after passive upper limb neurodynamic mobilizations targeting the median nerve, grip ( $$G_F$$ G F ) and load ( $$L_F$$ L F ) forces applied by the thumb, index and major fingers (three-jaw chuck pinch) were collected using a manipulandum during three different grip precision tasks: grip-lift-hold-replace (GLHR), vertical oscillations (OSC), and vertical oscillations with up and down collisions (OSC/COLL/u, OSC/COLL/d). Several parameters were collected or computed from $$G_F$$ G F and $$L_F$$ L F . Maximum pinch strength and fingertips pressure sensation threshold were also examined. After the mobilizations, $$L_F$$ L F max changes from 3.2 ± 0.4 to 3.4 ± 0.4 N (p = 0.014), d $$G_F$$ G F from 89.0 ± 66.6 to 102.2 ± 59.6 $$N~\text{s}^{-1}$$ N s - 1 (p = 0.009), and d $$L_F$$ L F from 43.6 ± 17.0 to 56.0 ± 17.9 $$N~\text{s}^{-1}$$ N s - 1 ( $$p<$$ p < 0.001) during GLHR. $$L_F$$ L F SD changes from 0.9 ± 0.3 to 1.0 ± 0.2 N (p = 0.004) during OSC. $$L_F$$ L F peak changes from 17.4 ± 8.3 to 15.1 ± 7.5 N ( $$p<$$ p < 0.001), $$G_F$$ G F from 12.4 ± 6.7 to 11.3 ± 6.8 N (p = 0.033), and $$L_F$$ L F from 2.9 ± 0.4 to 3.00 ± 0.4 N (p = 0.018) during OSC/COLL/u. $$G_F$$ G F peak changes from 13.5 ± 7.4 to 12.3 ± 7.7 N (p = 0.030) and $$L_F$$ L F from 14.5 ± 6.0 to 13.6 ± 5.5 N (p = 0.018) during OSC/COLL/d. Sensation thresholds at index and thumb were reduced (p = 0.001, p = 0.008). Precision grip adaptations observed after the mobilizations could be partly explained by changes in cutaneous median-nerve pressure afferents from the thumb and index fingertips.Frédéric DierickJean-Michel BrisméeOlivier WhiteAnne-France BouchéCéline PérichonNastasia FiloniVincent BarvauxFabien BuisseretNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Frédéric Dierick Jean-Michel Brismée Olivier White Anne-France Bouché Céline Périchon Nastasia Filoni Vincent Barvaux Fabien Buisseret Fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization
description	Abstract Before and immediately after passive upper limb neurodynamic mobilizations targeting the median nerve, grip ( $$G_F$$ G F ) and load ( $$L_F$$ L F ) forces applied by the thumb, index and major fingers (three-jaw chuck pinch) were collected using a manipulandum during three different grip precision tasks: grip-lift-hold-replace (GLHR), vertical oscillations (OSC), and vertical oscillations with up and down collisions (OSC/COLL/u, OSC/COLL/d). Several parameters were collected or computed from $$G_F$$ G F and $$L_F$$ L F . Maximum pinch strength and fingertips pressure sensation threshold were also examined. After the mobilizations, $$L_F$$ L F max changes from 3.2 ± 0.4 to 3.4 ± 0.4 N (p = 0.014), d $$G_F$$ G F from 89.0 ± 66.6 to 102.2 ± 59.6 $$N~\text{s}^{-1}$$ N s - 1 (p = 0.009), and d $$L_F$$ L F from 43.6 ± 17.0 to 56.0 ± 17.9 $$N~\text{s}^{-1}$$ N s - 1 ( $$p<$$ p < 0.001) during GLHR. $$L_F$$ L F SD changes from 0.9 ± 0.3 to 1.0 ± 0.2 N (p = 0.004) during OSC. $$L_F$$ L F peak changes from 17.4 ± 8.3 to 15.1 ± 7.5 N ( $$p<$$ p < 0.001), $$G_F$$ G F from 12.4 ± 6.7 to 11.3 ± 6.8 N (p = 0.033), and $$L_F$$ L F from 2.9 ± 0.4 to 3.00 ± 0.4 N (p = 0.018) during OSC/COLL/u. $$G_F$$ G F peak changes from 13.5 ± 7.4 to 12.3 ± 7.7 N (p = 0.030) and $$L_F$$ L F from 14.5 ± 6.0 to 13.6 ± 5.5 N (p = 0.018) during OSC/COLL/d. Sensation thresholds at index and thumb were reduced (p = 0.001, p = 0.008). Precision grip adaptations observed after the mobilizations could be partly explained by changes in cutaneous median-nerve pressure afferents from the thumb and index fingertips.
format	article
author	Frédéric Dierick Jean-Michel Brismée Olivier White Anne-France Bouché Céline Périchon Nastasia Filoni Vincent Barvaux Fabien Buisseret
author_facet	Frédéric Dierick Jean-Michel Brismée Olivier White Anne-France Bouché Céline Périchon Nastasia Filoni Vincent Barvaux Fabien Buisseret
author_sort	Frédéric Dierick
title	Fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization
title_short	Fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization
title_full	Fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization
title_fullStr	Fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization
title_full_unstemmed	Fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization
title_sort	fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5201be5ececf4d6882052956bafb277a
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Fine adaptive precision grip control without maximum pinch strength changes after upper limb neurodynamic mobilization

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