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Gender differences on effects of forearm rotation on compressive stiffness of flexor carpi ulnaris during submaximal handgrip contractions

dc.contributor.authorCruz-Montecinos, Carlos
dc.contributor.authorAntúnez-Riveros, Marcela Andrea
dc.contributor.authorTapia, Claudio
dc.contributor.authorDíaz, Fernando
dc.contributor.authorPaulsen-Donoso, Tomás
dc.contributor.authorZunino-Gomez, José Pablo
dc.contributor.authorNúñez-Cortés, Rodrigo
dc.contributor.authorAndersen, Lars Louis
dc.contributor.authorMendez-Rebolledo, Guillermo
dc.contributor.authorCalatayud, Joaquín
dc.date.accessioned2024-08-07T14:42:52Z
dc.date.available2024-08-07T14:42:52Z
dc.date.issued2023
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/5575
dc.description.abstractLittle is known about gender differences in stiffness of forearm muscles during voluntary actions. This study aimed to investigate the effect of forearm rotation on flexor carpi ulnaris (FCU) stiffness in men and women during submaximal handgrip contractions. During a single session, measurements were made on 20 young participants (9 females). Two positions of the forearm were compared in random order with the elbow flexed 90 degrees: (i) neutral position and (ii) maximal supination. In each position, participants performed two submaximal handgrip contractions at 25% and 50% of maximal voluntary contraction, while compressive stiffness was collected using a hand myometer (MyotonPRO). A mixed repeated measurement ANOVA was applied to assess the interaction between gender, forearm position, and contraction intensity. The FCU stiffness is affected by handgrip contraction intensity (p < 0.001), gender (p < 0.001), BMI (p = 0.009), and forearm rotation (p = 0.007). Only the gender factor was found to have significant interaction with forearm rotation (p = 0.037). Men's FCU was stiffer than women's in both positions and contraction intensities (p < 0.05). Only in men a significant increase in FCU stiffness was observed when comparing contraction intensities at both forearm positions (p < 0.05), as well as when the forearm was rotated from neutral to supine at both intensities (p < 0.05). In conclusion, FCU stiffness during handgrip contraction differed significantly between men and women. Women have fewer stiffness changes in FCU when performing different levels of handgrip contraction. We also observed that only men increased FCU stiffness by changing the forearm position from neutral to supine position for both handgrip intensities.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceJournal of Anatomy, 243(5), 886-891es_CL
dc.subjectAponeurosises_CL
dc.subjectBiomechanical phenomenaes_CL
dc.subjectElectromyographyes_CL
dc.subjectFlexor carpi ulnarises_CL
dc.subjectForearm muscleses_CL
dc.subjectStiffnesses_CL
dc.titleGender differences on effects of forearm rotation on compressive stiffness of flexor carpi ulnaris during submaximal handgrip contractionses_CL
dc.typeArticlees_CL
dc.ucm.facultadFacultad de Ciencias de la Saludes_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.indexacionIsies_CL
dc.ucm.urionlinelibrary.wiley.com/doi/10.1111/joa.13914es_CL
dc.ucm.doidoi.org/10.1111/joa.13914es_CL


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Atribución-NoComercial-SinDerivadas 3.0 Chile
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