Relationship between natural muscle oscillation frequency and lower limb muscle performance during instrumented sit-to-stand and stand-to-sit movements on a novel device in sedentary subjects

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dc.contributor.authorTorres-Banduc, M.
dc.contributor.authorJerez-Mayorga, D.
dc.contributor.authorChirosa-Ríos, L.
dc.contributor.authorPlaza, P.
dc.contributor.authorChirosa-Ríos, I.
dc.date.accessioned2024-09-10T18:19:25Z
dc.date.available2024-09-10T18:19:25Z
dc.date.issued2024
dc.descriptionTEXTO COMPLETO EN INGLÉS
dc.description.abstractBackground Despite the significance of muscle oscillation frequency, previous research has not established a correlation with muscle performance due to the challenges of applying resistance without altering natural motion during functional tests. Research question What is the correlation between muscle oscillation frequency and lower limb muscle strength, power, and work during an instrumented sit-to-stand and stand-to- sit (iSTS-TS) task among sedentary subjects? Methods In a cross-sectional study, the oscillation frequency of the gastrocnemius medialis (GM), biceps femoralis (BF), and vastus medialis (VM) muscles in both the dominant (D) and non-dominant (ND) legs was assessed with a handheld myotonometer in 34 sedentary individuals before performing the iSTS-TS task. Results In the isokinetic mode, no significant correlations were found. In the isotonic mode, the BF muscle oscillation frequency in the D and ND legs exhibited significant positive correlations with peak force, peak power, and work during sitting down, as well as peak power and work during standing up. Positive correlations were observed in both legs between the GM oscillation frequency and sitting down peak force and work. Additionally, significant positive correlation was found with standing up work in the D leg. Muscle oscillation frequency of the VM exhibited a positive correlation with sitting down peak force in the ND leg. Significance Due to a greater number of correlations found, it is advisable to use the isotonic mode when assessing muscle oscillation frequency in relation to muscle performance during functional iSTS-TS tasks in sedentary subjects.
dc.description.urihttps://www-sciencedirect-com.recursosbiblioteca.unab.cl/science/article/pii/S0966636224001401
dc.identifier.citationGait & Posture, Volume 112 , July 2024, Pages 40-45
dc.identifier.doihttps://doi.org/10.1016/j.gaitpost.2024.05.004
dc.identifier.issn1879-2219
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/60039
dc.language.isoen
dc.publisherElsevier
dc.rights.licenseAttribution 4.0 International
dc.subjectSit-to-stand
dc.subjectMuscle tone
dc.subjectMuscle strength dynamometer
dc.titleRelationship between natural muscle oscillation frequency and lower limb muscle performance during instrumented sit-to-stand and stand-to-sit movements on a novel device in sedentary subjects
dc.typeArtículo
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