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Relevant bibliographies by topics / Ankle plantarflexion

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Academic literature on the topic 'Ankle plantarflexion'

Author: Grafiati

Published: 10 January 2023

Last updated: 31 July 2025

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Journal articles on the topic "Ankle plantarflexion"

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Parenteau, C. S., D. C. Viano, and P. Y. Petit. "Biomechanical Properties of Human Cadaveric Ankle-Subtalar Joints in Quasi-Static Loading." Journal of Biomechanical Engineering 120, no. 1 (1998): 105–11. http://dx.doi.org/10.1115/1.2834289.

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The biomechanical properties of human ankle-subtalar joints have been determined in a quasi-static loading condition. The moving center of rotation was determined and approximated by a fixed point. The moment-angle characteristics of the ankle-subtalar joints about the fixed center of rotation have been measured under four basic movements: dorsiflexion, plantarflexion, inversion, and eversion. The method linearly increases rotation of the calcaneus until failure, and measures the moments, forces, and linear and rotational displacements. Failure was identified as the initial drop of moment on p

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Purevsuren, Tserenchimed, Kyungsoo Kim, Myagmarbayar Batbaatar, SuKyoung Lee, and Yoon Hyuk Kim. "Influence of ankle joint plantarflexion and dorsiflexion on lateral ankle sprain: A computational study." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 232, no. 5 (2018): 458–67. http://dx.doi.org/10.1177/0954411918762955.

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Understanding the mechanism of injury involved in lateral ankle sprain is essential to prevent injury, to establish surgical repair and reconstruction, and to plan reliable rehabilitation protocols. Most studies for lateral ankle sprain posit that ankle inversion, internal rotation, and plantarflexion are involved in the mechanism of injury. However, recent studies indicated that ankle dorsiflexion also plays an important role in the lateral ankle sprain mechanism. In this study, the contributions of ankle plantarflexion and dorsiflexion on the ankle joint were evaluated under complex combinat

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DiLiberto, Frank E., Steven L. Haddad, Daniel H. Aslan, and Anand M. Vora. "Total Ankle Arthroplasty: Is Ankle Plantarflexion Strength Important?" Foot & Ankle Orthopaedics 4, no. 4 (2019): 2473011419S0002. http://dx.doi.org/10.1177/2473011419s00020.

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Category: Ankle Arthritis Introduction/Purpose: Ankle push off power, which requires gastroc-soleus muscle strength, is a critical aspect of healthy gait and increases as gait speed increases. It is therefore surprising that one-to-two-year outcomes following total ankle arthroplasty (TAA) include improved gait speed but deficient ankle power. One possible explanation for low ankle power following TAA is ankle plantarflexion weakness. Information on plantarflexion strength is extremely limited in people before or after TAA. Evaluating plantarflexion strength may inform postoperative expectatio

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Wolfram, Susann, Christopher I. Morse, Keith L. Winwood, Emma Hodson-Tole, and Islay M. McEwan. "Achilles tendon moment arm in humans is not affected by inversion/eversion of the foot: a short report." Royal Society Open Science 5, no. 1 (2018): 171358. http://dx.doi.org/10.1098/rsos.171358.

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The triceps surae primarily acts as plantarflexor of the ankle joint. However, the group also causes inversion and eversion at the subtalar joint. Despite this, the Achilles tendon moment arm is generally measured without considering the potential influence of inversion/eversion of the foot during plantarflexion. This study investigated the effect of foot inversion and eversion on the plantarflexion Achilles tendon moment arm. Achilles tendon moment arms were determined using the centre-of-rotation method in magnetic resonance images of the left ankle of 11 participants. The foot was positione

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Tonogai, Ichiro. "Cadaveric anatomical study of anterior and posterior ankle arthroscopic portals in ankle plantarflexion and dorsiflexion positions." Foot & Ankle Orthopaedics 3, no. 3 (2018): 2473011418S0049. http://dx.doi.org/10.1177/2473011418s00492.

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Category: Arthroscopy Introduction/Purpose: Arthroscopy of the foot and ankle, which is minimally invasive technique, is able to be used in the treatment of various foot and ankle pathologies. However, complications after anterior or posterior ankle arthroscopies have been described, such as neurovascular structures injury around portals. On the other hand, plantarflexion and dorsiflexion of the ankle joint leads movement of the neurovascular structures. However, there were a few reports about the change of the distance between each portal and nerves or vessels during motion of the ankle. The

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Hürmeydan, Önder Murat, Mehmet Demirel, Natig Valiyev, Turker Sahinkaya, and Önder İsmet Kılıçoğlu. "Relationship of Postoperative Achilles Tendon Elongation With Plantarflexion Strength Following Surgical Repair." Foot & Ankle International 41, no. 2 (2019): 140–46. http://dx.doi.org/10.1177/1071100719879659.

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Background: Little data exist regarding the adverse effects of Achilles tendon (AT) elongation after rupture repair on plantarflexion strength. This study aimed to investigate the effect of AT elongation measured using AT resting angle (ATRA) on the plantarflexion strength in patients with surgically treated acute AT rupture. Methods: A retrospective chart review was performed on 40 patients (15 female and 25 female) who underwent open operative repair due to an acute AT rupture. At the final follow-up, AT elongation was assessed using ATRA. Plantarflexion strength (peak torques and angle-spec

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Csapo, R., J. Hodgson, R. Kinugasa, V. R. Edgerton, and S. Sinha. "Ankle morphology amplifies calcaneus movement relative to triceps surae muscle shortening." Journal of Applied Physiology 115, no. 4 (2013): 468–73. http://dx.doi.org/10.1152/japplphysiol.00395.2013.

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The present study investigated the mechanical role of the dorsoventral curvature of the Achilles tendon in the conversion of the shortening of the plantarflexor muscles into ankle joint rotation. Dynamic, sagittal-plane magnetic resonance spin-tagged images of the ankle joint were acquired in six healthy subjects during both passive and active plantarflexion movements driven by a magnetic resonance compatible servomotor-controlled foot-pedal device. Several points on these images were tracked to determine the 1) path and deformation of the Achilles tendon, 2) ankle's center of rotation, and 3)

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Hattori, Soichi, Kentaro Onishi, Calvin K. Chan, et al. "Ultrasound-Guided Anterior Talofibular Ligament Repair With Augmentation Can Restore Ankle Kinematics: A Cadaveric Biomechanical Study." Orthopaedic Journal of Sports Medicine 10, no. 8 (2022): 232596712211113. http://dx.doi.org/10.1177/23259671221111397.

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Background: Anterior talofibular ligament (ATFL) repair of the ankle is a common surgical procedure. Ultrasound (US)-guided anchor placement for ATFL repair can be performed anatomically and accurately. However, to our knowledge, no study has investigated ankle kinematics after US-guided ATFL repair. Hypothesis: US-guided ATFL repair with and without inferior extensor retinaculum (IER) augmentation will restore ankle kinematics. Study Design: Controlled laboratory study; Level of evidence, 4. Methods: A 6 degrees of freedom robotic testing system was used to apply multidirectional loads to fre

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Waqas, Nida, Fareeha Amjad, Fiza Zulfiqar, and Saba Illyas. "Effects of Wearing High Heels on Ankle Plantarflexion." Pakistan Journal of Physical Therapy (PJPT) 4, no. 1 (2021): 12–16. http://dx.doi.org/10.52229/pjpt.v4i1.869.

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Abstract: Wearing High Heels (HH) for prolong period may cause kinetics and kinematics changes of lower extremity. It may lead to musculoskeletal deformities.Objective:To determine the effects of wearing different high heel shoes on ankle joint plantar flexion range.Methadology: 120 healthy university students who habitually wore shoes of different heel heights from 1cm to 10cm for at least 1 academic year, more than 5 days a week were selectively recruited. Participants were grouped according to their heel heights: flat, low, mid and high heels. Ankle plantarflexion was measured using univers

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Renstrom, P., M. Wertz, S. Incavo, et al. "Strain in the Lateral Ligaments of the Ankle." Foot & Ankle 9, no. 2 (1988): 59–63. http://dx.doi.org/10.1177/107110078800900201.

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Strain was measured in the normal anterior talofibular ligament (ATF) and the calcaneofibular ligament (CF) using Hall effect strain transducers in five cadaveric ankles. These measurements were made in both ligaments with the ankle in neutral position and with the foot moving from 10° dorsiflexion to 40° plantarflexion in an apparatus that permits physiologic motion. The ankle ligaments were then tested with the foot placed in six different positions that combined supination, pronation, external rotation, and internal rotation. In the neutral position, through a range of motion of 10° dorsifl

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Dissertations / Theses on the topic "Ankle plantarflexion"

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Lee, Sabrina Sien Man Piazza Stephen J. "Musculoskeletal architecture and plantarflexor muscle function in the human ankle joint." [University Park, Pa.] : Pennsylvania State University, 2009. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-4653/index.html.

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Bhaskaran, Divya. "Effect of Tilted surfaces on Ankle Kinematics and EMG activities in landing." 2010. http://trace.tennessee.edu/utk_gradthes/686.

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The purpose of this study was to examine the effects of landing on a combined inverted and plantarflexed surface on the ankle kinematics and electromyographic (EMG) activities of the medial gastrocnemius (MG), peroneal longus (PL) and anterior tibialis muscles (TA). Twelve recreational athletes performed five drop landings from an overhead bar of 30 cm height on to each of these surfaces: a flat surface, a 25° inversion surface (inverted), and a combined surface (combined) of 25° inversion and 25° plantarflexion. The three dimensional kinematic variables and integrated EMG (IEMG) of the three

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Lun-Ho, Yuan. "Analysis of spasticity on medial gastrocnemius in stroke individuals wearing articulated ankle-foot orthoses with plantarflexion-stop during ambulation." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2701200519574100.

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Yuan, Lun-Ho, and 袁倫和. "Analysis of spasticity on medial gastrocnemius in stroke individuals wearing articulated ankle-foot orthoses with plantarflexion-stop during ambulation." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/12176834696176381599.

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碩士<br>國立臺灣大學<br>醫學工程學研究所<br>93<br>Abstract Conventional rigid ankle-foot orthosis (AFO) has been used in hemiplegic subjects to improve gait function for almost thirty years. However, hinged plantarflexion-stop ankle-foot orthoses (PSAFO) are suggested to be effective for patients with hemiparesis and weak ankle dorsiflexion to stabilize the ankle in the sagittle and coronal plane during ambulation. However, the changes of ankle spasticity in stroke patients during ambulation with PSAFO is not very clear. Totally 14 CVA patients participated in this study. They would walk about 6 meters i

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Peacock, James. "The relationship between foot-ball impact with kick outcome in football kicking." Thesis, 2018. https://vuir.vu.edu.au/37861/.

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Across the football codes, kicking is the main skill used to score goals and pass between team members. Kicking with high ball velocity and high accuracy is required to kick to targets at far distances or reach a submaximal target in less time. The impact phase is the most important component of the kicking action: it is the only time a player forcefully contacts the ball to produce the flight path. Ensuring high impact efficiency and the appropriate combination of flight characteristics are imparted onto the ball during foot-ball impact is important for successful kicking. The aim of this the

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Books on the topic "Ankle plantarflexion"

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Effect of the Active Ankle [TM] brace in controlling ankle plantarflexion, inversion stress before and after exercise. 1993.

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Clites, Tyler R. A neurally controlled, single degree of freedom, active orthosis to restore ankle plantarflexion in a paralyzed rabbit. 2014.

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Book chapters on the topic "Ankle plantarflexion"

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de Prado, Mariano, Pedro-Luis Ripoll, Pau Golanó, Javier Vaquero, Filippo Spiezia, and Nicola Maffulli. "Minimally Invasive Management of Dorsiflexion Contracture at the Metatarsophalangeal Joint and Plantarflexion Contracture at the Proximal Interphalangeal Joint of the Fifth Toe." In Minimally Invasive Surgery of the Foot and Ankle. Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-417-3_14.

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Gil, J., A. Ortiz, A. J. del-Ama, J. L. Pons, and J. C. Moreno. "Testing FES of Ankle Plantarflexor and Dorsiflexor Muscles to Support Unilateral Gait Disorders." In Converging Clinical and Engineering Research on Neurorehabilitation III. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01845-0_87.

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da Silva, M. C., C. R. da Silva, F. F. de Lima, J. R. Lara, J. P. Gustavson, and F. H. Magalhães. "Modulation of EMG Parameters During Ankle Plantarflexor Fatigue in Trained Gymnasts and Healthy Untrained Controls." In XXVII Brazilian Congress on Biomedical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-70601-2_63.

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Nuckols, Richard W., Sangjun Lee, Krithika Swaminathan, Conor J. Walsh, Robert D. Howe, and Gregory S. Sawicki. "Ultrasound Imaging of Plantarflexor Muscles During Robotic Ankle Assisted Walking: Effects on Muscle Tendon Dynamics and Application Towards Improved Exoskeleton and Exosuit Control." In Biosystems & Biorobotics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69547-7_67.

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Miyoshi Tasuku, Takagi Motoki, Yimit Adiljan, Hagihara Yoshihiro, and Komeda Takashi. "Task-Dependent Gastrocnemius Fiber Movement in Humans while Standing as Revealed by Ultrasound Images." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-522-7-378.

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Although electromyographic (EMG) activities of the gastrocnemius muscle (GAS) increase while a body sways voluntarily and rises on tiptoe from a standing position, the effects of movement speed on the upright postural task-dependent GAS fibers are unclear. The present study was to demonstrate GAS fiber movement during anterior-posterior bodily swaying and tiptoe-heel standing tasks using a time series of ultrasound images. Subjects achieved two postural tasks, each under three movement frequencies, 0.1Hz, 0.2Hz, and 0.3Hz, while sinuous-like modulations of ankle angular displacement patterns w

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Conference papers on the topic "Ankle plantarflexion"

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Lee, Jun Han, Yan Xing Tan, Chi Heim Wong, Chun Yeh Cheah, Yu Zheng Chong, and Choon-Hian Goh. "Development of Pneumatic-Based Exoskeleton System for Ankle Dorsiflexion and Plantarflexion." In 2024 IEEE 12th Region 10 Humanitarian Technology Conference (R10-HTC). IEEE, 2024. https://doi.org/10.1109/r10-htc59322.2024.10778837.

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Dežman, Miha, Charlotte Marquardt, and Tamim Asfour. "Ankle Exoskeleton with a Symmetric 3 DoF Structure for Plantarflexion Assistance." In 2024 IEEE International Conference on Robotics and Automation (ICRA). IEEE, 2024. http://dx.doi.org/10.1109/icra57147.2024.10609991.

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Iguchi, Shotaro, Toma Ono, and Takehito Kikuchi. "Evaluation of a Dual Axial Ankle Supporter with Adjustable Assisting Direction Mechanism for Plantarflexion and Dorsiflexion." In 2024 IEEE International Conference on Cyborg and Bionic Systems (CBS). IEEE, 2024. https://doi.org/10.1109/cbs61689.2024.10860376.

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Azizi, S., M. Mansouri, F. Dadashi, Sh Parvin, S. Amiri, and M. M. Mirbagheri. "The relationship between rubrospinal tract structure and ankle plantarflexor muscle stiffness in children with Cerebral Palsy." In 2024 46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2024. https://doi.org/10.1109/embc53108.2024.10781804.

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Wu, Albert, Xingbang Yang, Jiun-Yih Kuan, and Hugh M. Herr. "An Autonomous Exoskeleton for Ankle Plantarflexion Assistance." In 2019 International Conference on Robotics and Automation (ICRA). IEEE, 2019. http://dx.doi.org/10.1109/icra.2019.8793913.

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Chin, Robin, Elizabeth T. Hsiao-Wecksler, Eric Loth, et al. "Portable Pneumatic Power-Harvesting Ankle-Foot-Orthosis." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192702.

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In this paper, we present a novel ankle-foot-orthosis (AFO) design that controls ankle motion by providing a plantarflexion stop with free dorsiflexion during gait. The biomechanical controls are accomplished with a unique application of a cam-follower design that uses pneumatic power harvested via an air bellow embedded into the insole of the AFO (Figure 1). This portable design is self-contained and does not require any external power source to provide for the plantarflexion stop locking mechanism. It is the first step in a series of untethered fluid-powered orthotic devices.

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Elley, Colin, and Carl A. Nelson. "A Passive Two-Degree-of-Freedom Ankle-Foot Prosthesis." In 2018 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dmd2018-6820.

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Natural human ankle motion includes dorsiflexion/plantarflexion (the major contributor to gait) as well as smaller contributions from inversion/eversion and abduction/adduction motions. Many of the commercially available passive prostheses for amputees are either stiff in all these motion directions or are compliant mainly in the dorsiflexion/plantarflexion direction. This can make it difficult for amputees to walk on uneven or sloped surfaces, and leads to increased risk of falling [1–4].

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Jastifer, James R., Peter A. Gustafson, and Robert R. Gorman. "The Effect of Subtalar Arthrodesis Alignment on Ankle Biomechanics." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88198.

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Background: The position, axis, and control of each lower extremity joint intimately affects adjacent joint function as well as whole limb performance. There is little describing the biomechanics of subtalar arthrodesis and none describing the effect that subtalar arthrodesis position has on ankle biomechanics. The purpose of the current study is to establish this effect on sagittal plane ankle biomechanics. Methods: A study was performed utilizing a three-dimensional, validated, computational model of the lower extremity. A subtalar arthrodesis was simulated from 20 degrees of varus to 20 deg

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Meng, Marilyn, Yubo Wang, and Qiuxia Zhang. "Directional Kinetic Characteristics of Drop Landing for Patients with Functional Ankle Instability." In 16th International Conference on Applied Human Factors and Ergonomics (AHFE 2025). AHFE International, 2025. https://doi.org/10.54941/ahfe1006202.

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This study aimed to investigate the kinetic characteristics, potential injury risk factors, and energy dissipation strategies of bilateral lower limbs during multidirectional drop landings in patients with unilateral functional ankle instability (FAI). Methods: Fifteen male patients with unilateral FAI participated in this study. Kinetic data were synchronously collected using a Vicon infrared motion capture system and a Kistler 3D force platform during single-leg drop landings performed in three directions (forward/oblique/side, FL/OL/SL) for both the unstable and stable limbs. A repeated-mea

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Homma, Keiko, and Mariko Usuba. "Development of Ankle Dorsiflexion/Plantarflexion Exercise Device with Passive Mechanical Joint." In 2007 IEEE 10th International Conference on Rehabilitation Robotics. IEEE, 2007. http://dx.doi.org/10.1109/icorr.2007.4428440.

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