Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus

The dorsal movement of the Achilles tendon during ankle rotation is restricted by anatomical obstructions. Previously, we demonstrated that the anatomical obstruction provides a gain (gain<sub>AT</sub>) in the proximal displacement of the calcaneus compared to the change in the Achilles...

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Autores principales:	Ryuta Kinugasa, Naoto Yamamura, Shu Takagi, Shantanu Sinha
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	ankle geometrical model ankle plantarflexion calcaneus position gear joint kinematics Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/899430456a6642089e72be7b10c3a2ab
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spelling	oai:doaj.org-article:899430456a6642089e72be7b10c3a2ab2021-11-25T17:21:35ZBiomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus10.3390/diagnostics111120972075-4418https://doaj.org/article/899430456a6642089e72be7b10c3a2ab2021-11-01T00:00:00Zhttps://www.mdpi.com/2075-4418/11/11/2097https://doaj.org/toc/2075-4418The dorsal movement of the Achilles tendon during ankle rotation is restricted by anatomical obstructions. Previously, we demonstrated that the anatomical obstruction provides a gain (gain<sub>AT</sub>) in the proximal displacement of the calcaneus compared to the change in the Achilles tendon length. Here, we empirically validate and extend our previous modeling study by investigating the effects of a broad range of obstruction locations on gain<sub>AT</sub>. The largest gain<sub>AT</sub> could be achieved when the obstruction was located on the most ventral and distal sides within the physiological range of the Achilles tendon, irrespective of the ankle position.Ryuta KinugasaNaoto YamamuraShu TakagiShantanu SinhaMDPI AGarticleankle geometrical modelankle plantarflexioncalcaneus positiongearjoint kinematicsMedicine (General)R5-920ENDiagnostics, Vol 11, Iss 2097, p 2097 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ankle geometrical model ankle plantarflexion calcaneus position gear joint kinematics Medicine (General) R5-920
spellingShingle	ankle geometrical model ankle plantarflexion calcaneus position gear joint kinematics Medicine (General) R5-920 Ryuta Kinugasa Naoto Yamamura Shu Takagi Shantanu Sinha Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus
description	The dorsal movement of the Achilles tendon during ankle rotation is restricted by anatomical obstructions. Previously, we demonstrated that the anatomical obstruction provides a gain (gain<sub>AT</sub>) in the proximal displacement of the calcaneus compared to the change in the Achilles tendon length. Here, we empirically validate and extend our previous modeling study by investigating the effects of a broad range of obstruction locations on gain<sub>AT</sub>. The largest gain<sub>AT</sub> could be achieved when the obstruction was located on the most ventral and distal sides within the physiological range of the Achilles tendon, irrespective of the ankle position.
format	article
author	Ryuta Kinugasa Naoto Yamamura Shu Takagi Shantanu Sinha
author_facet	Ryuta Kinugasa Naoto Yamamura Shu Takagi Shantanu Sinha
author_sort	Ryuta Kinugasa
title	Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus
title_short	Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus
title_full	Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus
title_fullStr	Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus
title_full_unstemmed	Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus
title_sort	biomechanical gain in joint excursion from the curvature of the achilles tendon: role of the geometrical arrangement of inflection point, center of rotation, and calcaneus
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/899430456a6642089e72be7b10c3a2ab
work_keys_str_mv	AT ryutakinugasa biomechanicalgaininjointexcursionfromthecurvatureoftheachillestendonroleofthegeometricalarrangementofinflectionpointcenterofrotationandcalcaneus AT naotoyamamura biomechanicalgaininjointexcursionfromthecurvatureoftheachillestendonroleofthegeometricalarrangementofinflectionpointcenterofrotationandcalcaneus AT shutakagi biomechanicalgaininjointexcursionfromthecurvatureoftheachillestendonroleofthegeometricalarrangementofinflectionpointcenterofrotationandcalcaneus AT shantanusinha biomechanicalgaininjointexcursionfromthecurvatureoftheachillestendonroleofthegeometricalarrangementofinflectionpointcenterofrotationandcalcaneus
_version_	1718412484240474112

Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus

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