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Soleus muscle and Achilles tendon compressive stiffness is related to knee and ankle positioning

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dc.contributor.authorCruz, Carlos
dc.contributor.authorBesomi, Manuela
dc.contributor.authorAcevedo, Nicolás
dc.contributor.authorCares, Kevin
dc.contributor.authorBustamante, Alejandro
dc.contributor.authorGuzmán, Benjamín
dc.contributor.authorTapia, Claudio
dc.contributor.authorSanzana, Rodolfo
dc.contributor.authorCalatayud, Joaquín
dc.contributor.authorMéndez, Guillermo
dc.date.accessioned2023-04-26T19:29:03Z
dc.date.available2023-04-26T19:29:03Z
dc.date.issued2022
dc.description.abstractChanges in fascicle length and tension of the soleus (SOL) muscle have been observed in humans using B-mode ultrasound to examine the knee from different angles. An alternative technique of assessing muscle and tendon stiffness is myometry, which is non-invasive, accessible, and easy to use. This study aimed to estimate the compressive stiffness of the distal SOL and Achilles tendon (AT) using myometry in various knee and ankle joint positions. Twenty-six healthy young males were recruited. The Myoton-PRO device was used to measure the compressive stiffness of the distal SOL and AT in the dominant leg. The knee was measured in two positions (90° of flexion and 0° of flexion) and the ankle joint in three positions (10° of dorsiflexion, neutral position, and 30° of plantar flexion) in random order. A three-way repeated-measures ANOVA test was performed. Significant interactions were found for structure × ankle position, structure × knee position, and structure × ankle position × knee position (p < 0.05). The AT and SOL showed significant increases in compressive stiffness with knee extension over knee flexion for all tested ankle positions (p < 0.05). Changes in stiffness relating to knee positioning were larger in the SOL than in the AT (p < 0.05). These results indicate that knee extension increases the compressive stiffness of the distal SOL and AT under various ankle joint positions, with a greater degree of change observed for the SOL. This study highlights the relevance of knee position in passive stiffness of the SOL and AT.
dc.description.versionVersión Publicada
dc.identifier.citationCruz-Montecinos C, Besomi M, Acevedo-Valenzuela N, Cares-Marambio K, Bustamante A, Guzmán-González B, Tapia-Malebrán C, Sanzana-Cuche R, Calatayud J, Méndez-Rebolledo G. Soleus muscle and Achilles tendon compressive stiffness is related to knee and ankle positioning. J Electromyogr Kinesiol. 2022 Oct;66:102698. doi: 10.1016/j.jelekin.2022.102698
dc.identifier.doihttps://doi.org/10.1016/j.jelekin.2022.102698
dc.identifier.urihttps://repositorio.udd.cl/handle/11447/7406
dc.language.isoen
dc.subjectLeg muscles
dc.subjectMusculoskeletal
dc.subjectMyofascial force transmission
dc.subjectMyometer
dc.subjectSoleus
dc.titleSoleus muscle and Achilles tendon compressive stiffness is related to knee and ankle positioning
dc.typeArticle
dcterms.accessRightsAcceso abierto
dcterms.sourceJournal of Electromyography and Kinesiology
dspace.entity.typePublication

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