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Journal articles on the topic 'Biomechanics of human ankles'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Attarian, David E., Hugh J. McCrackin, Dennis P. DeVito, James H. McElhaney, and William E. Garrett. "Biomechanical Characteristics of Human Ankle Ligaments." Foot & Ankle 6, no. 2 (1985): 54–58. http://dx.doi.org/10.1177/107110078500600202.

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The purpose of this study was to define the biomechanical characteristics of the isolated, individual bone-ligament-bone complexes of the human ankle. Twenty human ankles were dissected of all soft tissues to leave only the tibia, fibula, talus, and calcaneus with their intact anterior talofibular, calcaneofibular, posterior talofibular, and deep deltoid ligaments. Specimens were mounted and tested in a Minneapolis Testing System. Protocol consisted of cyclic loading of each isolated bone-ligament-bone preparation, followed by several constant velocity load-deflection tests at varying deflecti

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2

Hunt, Kenneth, Nicholas Anderson, Judas Kelley, Richard Fuld, and Todd Baldini. "Ankle and Subtalar Joint Kinematics following Lateral Ligament Repair- Implications for Early Surgical Treatment." Foot & Ankle Orthopaedics 2, no. 3 (2017): 2473011417S0002. http://dx.doi.org/10.1177/2473011417s000208.

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Category: Ankle Introduction/Purpose: The current trend for chronic lateral ankle instability treatment is direct repair of the ATFL and/or CFL by open or arthroscopic-assisted technique. There is recent evidence suggesting improved success with acute ligament repair following high grade ankle sprains as well as on the impact of CFL injury on ankle and subtalar biomechanics. However, the impact of acute repair on ankle and subtalar joint kinematics and biomechanics is not well understood. The purpose of this study was to determine the impact of repairing the ATFL alone compared to repairing bo

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3

Boss, Andreas Peter, and Beat Hintermann. "Anatomical Study of the Medial Ankle Ligament Complex." Foot & Ankle International 23, no. 6 (2002): 547–53. http://dx.doi.org/10.1177/107110070202300612.

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The purpose of this in vitro study was to determine insertion area, length and thickness of the various bundles and their anatomical relationship with inter-individual differences. Twelve ankles from human cadavers (ages 56 to 95 years, from nine men and three women) were dissected to the capsuloligamentous structures. Marked inter-individual differences were found for the five main ligaments (tibiospring, tibiocalcaneal, posterior and anterior deep tibiotalar and superficial posterior tibiotalar). The tibionavicular ligament is a thickened fibrous layer of the ankle capsule. The tibiocalcanea

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4

Yoganandan, N., F. A. Pintar, S. Kumaresan, and M. Boynton. "Axial Impact Biomechanics of the Human Foot-Ankle Complex." Journal of Biomechanical Engineering 119, no. 4 (1997): 433–37. http://dx.doi.org/10.1115/1.2798290.

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Recent epidemiological, clinical, and biomechanical studies have implicated axial impact to the plantar surface of the foot to be a cause of lower extremity trauma in vehicular crashes. The present study was conducted to evaluate the biomechanics of the human foot–ankle complex under axial impact. Nine tests were conducted on human cadaver below knee–foot–ankle complexes. All specimens were oriented in a consistent anatomical position on a mini-sled and the impact load was delivered using a pendulum. Specimens underwent radiography and gross dissection following the test. The pathology include

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5

CORAZZA, FEDERICO, VINCENZO PARENTI-CASTELLI, RITA STAGNI, ANGELO CAPPELLO, JOHN J. O'CONNOR, and ALBERTO LEARDINI. "BIOMECHANICS OF THE INTACT AND REPLACED HUMAN ANKLE JOINT." Journal of Mechanics in Medicine and Biology 06, no. 01 (2006): 39–46. http://dx.doi.org/10.1142/s0219519406001819.

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The main objective of the study was to develop advanced biomechanical models of the intact human ankle complex. It was also aimed at designing a total ankle replacement which would better reproduce the physiological function of the joint. Passive flexion was analyzed in a number of lower-leg preparations with stereophotogrammetry and radiostereometry. The articular surfaces and fibres within the calcaneofibular and tibiocalcaneal ligaments were observed to prescribe the changing positions of bones, ligaments and instantaneous axis of rotation. Joint motion included rolling as well as sliding.

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Lippa, Nadine, Jason Bonacci, Paul K. Collins, James W. Rawlins, and Trenton E. Gould. "Effect of mechanically aged minimalist and traditional footwear on female running biomechanics." Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology 233, no. 3 (2019): 375–88. http://dx.doi.org/10.1177/1754337118824001.

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The purpose of this study was to improve the understanding of human–material interactions by combining polymer engineering and biomechanical approaches. The forefoot and heel of traditional shoes and minimalist running shoes were degraded using a mechanical aging protocol to quantify (1) the effect of subject-specific degradation and (2) human biomechanical effects due to decreased material properties. Four recreational-level female participants ran in the shoes pre-mechanical aging to determine the aging protocol input parameters and post-mechanical aging to evaluate the effect of degradation

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7

Zelik, Karl, and Eric Honert. "Quit being so rigid: how traditional gait analysis assumptions confound our understanding of ankles, feet, footwear and biomechanics." Footwear Science 11, sup1 (2019): S137—S139. http://dx.doi.org/10.1080/19424280.2019.1606290.

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8

Li, Jian Wei, Xiao Wen Li, and Hua Lei Wu. "Analysis on Motion Trauma for Human’s Running by Motion Capture." Applied Mechanics and Materials 311 (February 2013): 232–37. http://dx.doi.org/10.4028/www.scientific.net/amm.311.232.

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Running is a kind of high-repetitive limb movements, which can possibly suffer knee-joint and ankle joint badly. In this paper, the author uses advanced instrument of motion capture to gain the gait data of human’s running motion，then create the curve of motion data tracing the knee-joint and ankle joint guided by the theory of biomechanics and kinesiology. Last we get the cause about the suffering of meniscus and ligament of knee-joint and ankle joint during the process of human’s running motion. The result of research can apply to biomechanics of human and the design of exerciser.

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9

de Souza, Euzébio D., and Eduardo José Lima II. "Autonomic Computing in a Biomimetic Algorithm for Robots Dedicated to Rehabilitation of Ankle." International Journal of Grid and High Performance Computing 9, no. 1 (2017): 48–60. http://dx.doi.org/10.4018/ijghpc.2017010105.

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Human mobility is the key element of everyday life, its reduction or loss deeply affects daily activities. In assisted rehabilitation, robotic devices have focuses on the biomechanics of motor control. However, biomechanics does not study the neurological and physiological processes related to normal gait. Biomimetics combined with biomechanics, can generate a more efficient stimulation of the motor cortex and the locomotor system. The highest efficiency obtained through torque generation models, based on the physiological response of muscles and bones to reaction forces, together with control

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10

Renjewski, Daniel, and André Seyfarth. "Robots in human biomechanics—a study on ankle push-off in walking." Bioinspiration & Biomimetics 7, no. 3 (2012): 036005. http://dx.doi.org/10.1088/1748-3182/7/3/036005.

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11

Safaeepour, Zahra, Ali Esteki, Farhad Tabatabai Ghomshe, and Mohammad E. Mousavai. "Design and development of a novel viscoelastic ankle-foot prosthesis based on the human ankle biomechanics." Prosthetics and Orthotics International 38, no. 5 (2014): 400–404. http://dx.doi.org/10.1177/0309364613505108.

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Background and aim: In the present study, a new approach was applied to design and develop a viscoelastic ankle-foot prosthesis. The aim was to replicate the intact ankle moment–angle loop in the normal walking speed. Technique: The moment–angle loop of intact ankle was divided into four parts, and the appropriate models including two viscoelastic units of spring-damper mechanism were considered to replicate the passive ankle dynamics. The developed prototype was then tested on a healthy subject with the amputee gait simulator. The result showed that prosthetic ankle moment–angle loop was simi

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12

Shoji, Hiroaki, Atsushi Teramoto, Yuzuru Sakakibara, et al. "Kinematics and Laxity of the Ankle Joint in Anatomic and Nonanatomic Anterior Talofibular Ligament Repair: A Biomechanical Cadaveric Study." American Journal of Sports Medicine 47, no. 3 (2019): 667–73. http://dx.doi.org/10.1177/0363546518820527.

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Background: Although it is crucial to accurately identify the anterior talofibular ligament (ATFL) attachment site, it may not be feasible to fully observe the ATFL attachment site during arthroscopic surgery. As a result, the repair position might often be an unintentionally nonanatomic ATFL attachment site. Hypothesis: Anatomic ATFL repair restores kinematics and laxity to the ankle joint, while nonanatomic ATFL repair does not. Study Design: Controlled laboratory study. Methods: Seven normal fresh-frozen human cadaveric ankles were used. The ankles were tested with a 6 degrees of freedom ro

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MacLean, Mhairi K., and Daniel P. Ferris. "Human muscle activity and lower limb biomechanics of overground walking at varying levels of simulated reduced gravity and gait speeds." PLOS ONE 16, no. 7 (2021): e0253467. http://dx.doi.org/10.1371/journal.pone.0253467.

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Reducing the mechanical load on the human body through simulated reduced gravity can reveal important insight into locomotion biomechanics. The purpose of this study was to quantify the effects of simulated reduced gravity on muscle activation levels and lower limb biomechanics across a range of overground walking speeds. Our overall hypothesis was that muscle activation amplitudes would not decrease proportionally to gravity level. We recruited 12 participants (6 female, 6 male) to walk overground at 1.0, 0.76, 0.55, and 0.31 G for four speeds: 0.4, 0.8, 1.2, and 1.6 ms-1. We found that peak

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14

Hunt, Kenneth, Judas Kelley, Richard Fuld, Nicholas Anderson, and Todd Baldini. "ATFL repair alone versus combined repairs of ATFL and CFL." Foot & Ankle Orthopaedics 2, no. 3 (2017): 2473011417S0002. http://dx.doi.org/10.1177/2473011417s000210.

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Category: Ankle Introduction/Purpose: The standard for lateral ligament stabilization is direct repair of the ATFL by open or arthroscopic technique. The implications and necessity of repairing the CFL are not well understood. The purpose of this study was to assess the impact of repairing the ATFL alone compared to repairing both the ATFL and CFL, in a biomechanical cadaver model. We hypothesized that repairing the CFL will substantially augment ankle and subtalar joint stability during weight-bearing ankle inversion compared to ATFL repair alone. Methods: Ten matched pairs of fresh frozen hu

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15

Baritz, Mihaela Ioana, Laura Diana Cotoros, Ileana Ciobanu, and Raluca Muntean. "Forces Distribution Analysis Developed in the Plantar Surface in Simulation Case of Controlled Blocking of Joints." Applied Mechanics and Materials 656 (October 2014): 642–49. http://dx.doi.org/10.4028/www.scientific.net/amm.656.642.

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Some theoretical and experimental considerations upon the biomechanics of the movements developed at foot level of human subjects without previous detected pathologies are presented in this paper. Thus, the first part of the paper is referring to the analysis of aspects related to the biomechanics of the locomotion system, aspects concerning the forces distribution at plantar surface level and also concerning the setting of various samples of subjects out of which the examples for the proposed methodology application will be selected. In the second part of the paper, the analysis structures re

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16

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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17

Banga, Harish Kumar, R. M. Belokar, Sandip Dhole, Parveen Kalra, and Rajesh Kumar. "Three Dimensional Gait Assessment During Walking of Healthy People and Drop Foot Patients." Defence Life Science Journal 2, no. 1 (2017): 14. http://dx.doi.org/10.14429/dlsj.2.10395.

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The aim of the present study is to clinical gait analysis of normal human and drop foot patients. Gait analysis is the systematic study of <a title="Animal locomotion" href="https://en.wikipedia.org/wiki/Animal_locomotion">animal locomotion</a>, more specifically the study of human motion, using the eye and the brain of observers, augmented by <a title="Instrumentation" href="https://en.wikipedia.org/wiki/Instrumentation">instrumentation</a> for measuring body movements, <a title="Biomechanics" href="https://en.wikipedia.org/wiki/Biomechanics">body mechanics</a

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18

RADKHAH, KATAYON, CHRISTOPHE MAUFROY, MORITZ MAUS, DORIAN SCHOLZ, ANDRE SEYFARTH, and OSKAR VON STRYK. "CONCEPT AND DESIGN OF THE BIOBIPED1 ROBOT FOR HUMAN-LIKE WALKING AND RUNNING." International Journal of Humanoid Robotics 08, no. 03 (2011): 439–58. http://dx.doi.org/10.1142/s0219843611002587.

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Biomechanics research shows that the ability of the human locomotor system depends on the functionality of a highly compliant motor system that enables a variety of different motions (such as walking and running) and control paradigms (such as flexible combination of feedforward and feedback controls strategies) and reliance on stabilizing properties of compliant gaits. As a new approach of transferring this knowledge into a humanoid robot, the design and implementation of the first of a planned series of biologically inspired, compliant, and musculoskeletal robots is presented in this paper.

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19

Zaier, Riadh, and A. Al-Yahmedi. "Design of Biomechanical Legs with a Passive Toe Joint for Enhanced Human-like Walking." Journal of Engineering Research [TJER] 14, no. 2 (2017): 166. http://dx.doi.org/10.24200/tjer.vol14iss2pp166-181.

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This paper presents the design procedure of a biomechanical leg, with a passive toe joint, which is capable of mimicking the human walking. This leg has to provide the major features of human gait in the motion trajectories of the hip, knee, ankle, and toe joints. Focus was given to the approach of designing the passive toe joint of the biomechanical leg in its role and effectiveness in performing human like motion. This study was inspired by experimental and theoretical studies in the fields of biomechanics and robotics. Very light materials were mainly used in the design process. Aluminum an

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20

Calhoun, Jason H., Fan Li, Billy R. Ledbetter, and Steven F. Viegas. "A Comprehensive Study of Pressure Distribution in the Ankle Joint with Inversion and Eversion." Foot & Ankle International 15, no. 3 (1994): 125–33. http://dx.doi.org/10.1177/107110079401500307.

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The understanding of load transfer characteristics is the baseline for biomechanics of the ankle joint. Changes in contact patterns of the articular cartilage from the norm may indicate pathologic conditions. Measurement of the contact in human cadaver ankles provides a direct measurement for this understanding. The force transfer characteristics of the three facets of the ankle joint were investigated. Five fresh-frozen cadaver lower extremities were tested in 12 positions under three axial loads of 490, 686, and 980 N. Fuji film served as the pressure transducer and the prints were analyzed

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21

HAN, Yali, Shan JIA, and Xingsong WANG. "Design and Simulation of an Ankle Prosthesis with Lower Power Based on Human Biomechanics." Robot 35, no. 3 (2013): 276. http://dx.doi.org/10.3724/sp.j.1218.2013.00276.

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22

Shealy, Jasper E., and David A. Miller. "Dorsiflexion of the Human Ankle as it Relates to Ski Boot Design in Downhill Skiing." Proceedings of the Human Factors Society Annual Meeting 31, no. 10 (1987): 1128–32. http://dx.doi.org/10.1177/154193128703101012.

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This study is part of an on-going series of studies that relate to Alpine or Downhill Ski Boot Design. In current Alpine skiing, the ski boot is an integral part of the ski boot-binding system. One of the roles of the ski boot is to protect the ankle from excessive dorsiflexion during forward falls, as the ski boot is levered out of the heel binding. A boot designer needs to know what the ranges of dorsiflexion are for human ankles so that the allowable forward flex built into the ski boot will not exceed some specified level. That specified level should be such that a large part of the popula

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23

Kim, Se Young, and Suk Yung Park. "Human Postural Feedback Response Described by Eigenvector." Key Engineering Materials 326-328 (December 2006): 739–42. http://dx.doi.org/10.4028/www.scientific.net/kem.326-328.739.

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Human postural responses appeared to have stereotyped modality, such as ankle mode, knee mode, and hip mode in response to various levels of postural challenges. We examined whether human postural control gain of full-state feedback could be decoupled along with the eigenvectors. To verify the model, postural responses subjected to fast backward perturbation were used. Upright posture was modeled as 3-segment inverted pendulum incorporated with linear feedback control, and joint torques were calculated using inverse dynamics. Postural modalities, such as ankle, knee and hip mode, were obtained

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Fukunaga, T., M. Ito, Y. Ichinose, S. Kuno, Y. Kawakami, and S. Fukashiro. "Tendinous movement of a human muscle during voluntary contractions determined by real-time ultrasonography." Journal of Applied Physiology 81, no. 3 (1996): 1430–33. http://dx.doi.org/10.1152/jappl.1996.81.3.1430.

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The degree of shortening or lengthening of muscles during joint actions has not been clarified in humans, although such information is essential in understanding human muscle functions. In this study, the tendinous movement of a muscle was determined by real-time ultrasonography during voluntary contractions. The tibialis anterior muscle (TA) was tested in five healthy men who performed dorsi- and plantar flexion movements (shortening and lengthening of TA) at two frequencies (0.1 and 1.5 Hz). The insertion point (eta) of fascicles onto the aponeurosis was clearly visualized on the ultrasonogr

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25

Ramsey, Jason Allan. "Development of a method for fabricating polypropylene non-articulated dorsiflexion assist ankle foot orthoses with predetermined stiffness." Prosthetics and Orthotics International 35, no. 1 (2011): 54–69. http://dx.doi.org/10.1177/0309364610394477.

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Background: A non-articulated plantarflexion resist ankle foot orthosis (AFO), commonly known as a posterior leaf spring AFO, is indicated for patients with motor impairment to the dorsiflexors. The AFO is often custom molded to a patient's lower limb anatomy and fabricated from polypropylene. There are no established guidelines for fabricating this type of AFO with predetermined stiffness of the ankle region for normal walking speeds. Therefore an AFO may not meet the biomechanical needs of the patient.Objectives: Quantify the biomechanical ankle stiffness requirement for an individual with c

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26

Salb, Kelly N., Daniel M. Wido, Thomas E. Stewart, and Denis J. DiAngelo. "Development of a Robotic Assembly for Analyzing the Instantaneous Axis of Rotation of the Foot Ankle Complex." Applied Bionics and Biomechanics 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/5985137.

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Ankle instantaneous axis of rotation (IAR) measurements represent a more complete parameter for characterizing joint motion. However, few studies have implemented this measurement to study normal, injured, or pathological foot ankle biomechanics. A novel testing protocol was developed to simulate aspects of in vivo foot ankle mechanics during mid-stance gait in a human cadaveric specimen. A lower leg was mounted in a robotic testing platform with the tibia upright and foot flat on the baseplate. Axial tibia loads (ATLs) were controlled as a function of a vertical ground reaction force (vGRF) s

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Versluys, Rino, Pieter Beyl, Michael Van Damme, Anja Desomer, Ronald Van Ham, and Dirk Lefeber. "Prosthetic feet: State-of-the-art review and the importance of mimicking human ankle–foot biomechanics." Disability and Rehabilitation: Assistive Technology 4, no. 2 (2009): 65–75. http://dx.doi.org/10.1080/17483100802715092.

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28

Faragó, Paul, Lăcrimioara Grama, Monica-Adriana Farago, and Sorin Hintea. "A Novel Wearable Foot and Ankle Monitoring System for the Assessment of Gait Biomechanics." Applied Sciences 11, no. 1 (2020): 268. http://dx.doi.org/10.3390/app11010268.

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Walking is the most basic form of human activity for achieving mobility. As an essential function of the human body, the examination of walking is directed towards the assessment of body mechanics in posture and during movement. This work proposes a wearable smart system for the monitoring and objective evaluation of foot biomechanics during gait. The proposed solution assumes the cross-correlation of the plantar pressure with lower-limb muscular activity, throughout the stance phase of walking. Plantar pressure is acquired with an array of resistive pressure sensors deployed onto a shoe insol

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Chande, Ruchi D., Rosalyn Hobson Hargraves, Norma Ortiz-Robinson, and Jennifer S. Wayne. "Predictive Behavior of a Computational Foot/Ankle Model through Artificial Neural Networks." Computational and Mathematical Methods in Medicine 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/3602928.

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Computational models are useful tools to study the biomechanics of human joints. Their predictive performance is heavily dependent on bony anatomy and soft tissue properties. Imaging data provides anatomical requirements while approximate tissue properties are implemented from literature data, when available. We sought to improve the predictive capability of a computational foot/ankle model by optimizing its ligament stiffness inputs using feedforward and radial basis function neural networks. While the former demonstrated better performance than the latter per mean square error, both networks

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Niu, W. X., L. J. Wang, T. N. Feng, C. H. Jiang, Y. B. Fan, and M. Zhang. "Effects of Bone Young’s Modulus on Finite Element Analysis in the Lateral Ankle Biomechanics." Applied Bionics and Biomechanics 10, no. 4 (2013): 189–95. http://dx.doi.org/10.1155/2013/818414.

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Finite element analysis (FEA) is a powerful tool in biomechanics. The mechanical properties of biological tissue used in FEA modeling are mainly from experimental data, which vary greatly and are sometimes uncertain. The purpose of this study was to research how Young’s modulus affects the computations of a foot-ankle FEA model. A computer simulation and an in-vitro experiment were carried out to investigate the effects of incremental Young’s modulus of bone on the stress and strain outcomes in the computational simulation. A precise 3-dimensional finite element model was constructed based on

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Heebner, Nicholas R., Deirdre M. Rafferty, Meleesa F. Wohleber, et al. "Landing Kinematics and Kinetics at the Knee During Different Landing Tasks." Journal of Athletic Training 52, no. 12 (2017): 1101–8. http://dx.doi.org/10.4085/1062-6050-52.11.25.

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Context: Several tasks have been used to examine landing biomechanics for evaluation and rehabilitation, especially as related to anterior cruciate ligament injuries. However, comparing results among studies in which different tasks were used can be difficult, and it is unclear which task may be most appropriate. Objective: To compare lower extremity biomechanics across 5 commonly used landing tasks. Design: Descriptive laboratory study. Setting: University-operated US Air Force Special Operations Forces human performance research laboratory. Patients or Other Participants: A total of 65 US Ai

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Pavailler, Sébastien, and Nicolas Horvais. "Flip-flop style footwear modifies ankle biomechanics and tibialis anterior activity during gait." Footwear Science 11, sup1 (2019): S84—S85. http://dx.doi.org/10.1080/19424280.2019.1606091.

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Krasowicz, Krzysztof. "The Influence of Orthotics on Lower Limbs Biomechanics in CP." Ortopedia Traumatologia Rehabilitacja 21, no. 5 (2019): 389–98. http://dx.doi.org/10.5604/01.3001.0013.5791.

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The biomechanics of the human body has a direct impact on the quality of gait cycle. Patients with Cerebral Palsy (CP) often present incorrect gait patterns associated with structural deformities which directly influence the locomotor functions. The key to therapeutic success in those patients is the use of lower limb orthotics of the AFO type. This type of orthopedic devices should correct the skeletal deformities, optimize function and ensure high quality of daily use. Alignment of the lower limb supported by orthotics in all planes is crucial for changing the abnormal position of the ground

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WARDHANI, PRIMASARI, PEI-I. TSAI, PEI-YU CHEN, YU-YOU CHEN, and CHING-CHI HSU. "A COMPUTATIONAL STUDY OF DIFFERENT ADDITIVE MANUFACTURING-BASED TOTAL ANKLE REPLACEMENT DEVICES USING THREE-DIMENSIONAL HUMAN LOWER EXTREMITY MODELS WITH VARIOUS ANKLE POSTURES." Journal of Mechanics in Medicine and Biology 19, no. 02 (2019): 1940014. http://dx.doi.org/10.1142/s0219519419400141.

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Total ankle replacement (TAR) surgery is one of the useful methods to treat ankle arthritis. Selective laser melting that is an additive manufacturing (AM) technique has made it possible to fabricate orthopedic implants. However, there are rare studies to analyze AM implants using finite element method. Thus, the purpose of this study was to investigate the effect of the various porous designs with three types of tibial shapes for five ankle postures using three-dimensional (3D) human lower extremity models. The variable-axis-mobile-bearing (VAMB) TAR models were developed in one solid TAR des

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Leroch, Mateusz, Jakub Łaszcz, Marcin Malon, and Sławomir Jarząb. "Impact of wearing high heels shoes on pelvic floor muscle activity and incontinence." Aesthetic Cosmetology and Medicine 10, no. 3 (2021): 153–56. http://dx.doi.org/10.52336/acm.2021.10.3.08.

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High-heeled shoes (so-called stilettos) are an important element of women’s wardrobe. Unfortunately, wearing high heels forces the ankle joint into plantar flexion. The daily positioning of the foot in plantar flexion can lead to many abnormalities in the human body. This position is unnatural for the organism from the point of biomechanics. The aim of the study was to present the effect of wearing high-heeled shoes (plantar position of the foot) on the activity of the pelvic floor muscles and the associated negative effects, such as urinary incontinence. The authors on the basis of the resear

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Moisan, Gabriel, Camille Mainville, Martin Descarreaux, and Vincent Cantin. "Walking biomechanics differences between shod and barefoot walking for individuals with chronic ankle instability." Footwear Science 11, sup1 (2019): S14—S15. http://dx.doi.org/10.1080/19424280.2019.1606053.

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CHOU, PEI-HSI, YOU-LI CHOU, SHANG-LIN LEE, JIA-YUAN YOU, FONG-CHIN SU, and HSIEH-CHIN CHEN. "KINEMATICAL STRATEGY TO REGAIN BALANCE DURING A FORWARD FALL ON A SLIPPERY FLOOR." Biomedical Engineering: Applications, Basis and Communications 13, no. 01 (2001): 27–32. http://dx.doi.org/10.4015/s1016237201000054.

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Slips and falls often occur in the industrial environments. They are not only caused by environmental hazards but also by some biomechanical factors related to deficient ability of postural control to arrest impending falls. The purpose of this study is to simulate the slip condition in human walking and to find out the possible related factors of biomechanics. Eleven male and 9 female recruited were healthful without any musculoskeletal and neurological impairments. In order to provide different disturbance level, three lean angles of tilting boards were designed as 10, 20, 30 degrees with re

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Lloyd, D. G., and T. S. Buchanan. "A Model of Load Sharing Between Muscles and Soft Tissues at the Human Knee During Static Tasks." Journal of Biomechanical Engineering 118, no. 3 (1996): 367–76. http://dx.doi.org/10.1115/1.2796019.

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In this study, we had subjects voluntarily generate various forces in a transverse plane just above their ankles. The contributions of their muscles and soft tissues to the support of the total external knee joint moment were determined by analyzing the experimental data using a biomechanical model of the knee. In this model, muscle forces were estimated using the recorded EMGs. To account for subject variability, various muscle parameters were adjusted using a nonlinear least-squares fit of the model’s estimated flexion and extension joint moments to those recorded externally. Using the estim

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Konik, Michał, Jacek Lorkowski, Ireneusz Kotela, and Michał Wychowański. "Biomechanical evaluation of patients after severe treatment of Achilles tendon Injuries using MIS procedure." Chirurgia Narządów Ruchu i Ortopedia Polska 85, no. 5-6 (2020): 103–8. http://dx.doi.org/10.31139/chnriop.2020.85.5-6.3.

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Introduction. Achilles tendon is the strongest tendon in the human body. In 1977 Ma and Griffith described the technique of percutaneous anaplasty of the damaged Achilles tendon as a compromise between surgical and conservative treatment. Choosing an operating method that gives “better” treatment results can facilitate the choice of a more effective treatment. Aim. The aim of the study was to evaluate the biomechanics of surgical treatment of patients with Achilles tendon injury using minimally invasive method. Material and Methods. The study material included 31 patients treated surgically fo

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Graf, Eveline Silvia, Cristina Raaflaub, Andreas Hollenstein, and Bettina Sommer. "Stability boots for the treatment of Achilles tendon injuries: how do they affect ankle biomechanics while walking?" Footwear Science 13, sup1 (2021): S45—S47. http://dx.doi.org/10.1080/19424280.2021.1917674.

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Buchanan, John J., and Fay B. Horak. "Emergence of Postural Patterns as a Function of Vision and Translation Frequency." Journal of Neurophysiology 81, no. 5 (1999): 2325–39. http://dx.doi.org/10.1152/jn.1999.81.5.2325.

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Emergence of postural patterns as a function of vision and translation frequency. We examined the frequency characteristics of human postural coordination and the role of visual information in this coordination. Eight healthy adults maintained balance in stance during sinusoidal support surface translations (12 cm peak to peak) in the anterior–posterior direction at six different frequencies. Changes in kinematic and dynamic measures revealed that both sensory and biomechanical constraints limit postural coordination patterns as a function of translation frequency. At slow frequencies (0.1 and

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Das, Banibrata. "Assessment of ergonomic exposure, work-related occupational injuries, and prevention: Child work in the brickfield industry in India." Toxicology and Industrial Health 37, no. 8 (2021): 481–95. http://dx.doi.org/10.1177/07482337211025366.

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Child labor is an infraction of fundamental human rights, and it prevents the children’s physical, psychosocial, and psychological development. In India, children have been working in different unorganized sectors as paid laborers. Children were found performing a fair amount of manual, rigorous tasks in the brickfield industry due to socioeconomic disadvantages. Child brickfield workers suffered from musculoskeletal pain and injuries due to working with a heavy physical workload, which hampers the overall quality of life. A study had been conducted among these child brickfield laborers from I

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Leylavi Shoushtari, Ali. "What Strategy Central Nervous System Uses to Perform a Movement Balanced? Biomechatronical Simulation of Human Lifting." Applied Bionics and Biomechanics 10, no. 2-3 (2013): 113–24. http://dx.doi.org/10.1155/2013/120707.

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How does the central nervous system control the body posture during various tasks despite a redundancy? It's a well-known question existed in such fields of study as biomechanics and bioengineering. Some techniques based on muscle and torques synergies are presented to study the function which Central Nervous System uses to addresses the kinetic redundancy in musculoskeletal system. The human body with its whole numerous joints considered as a hyper redundant structure which caused to be seemed that it is impossible for CNS to control and signal such system. To solve the kinematic redundancy i

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Beck, Owen N., Jonathan Gosyne, Jason R. Franz, and Gregory S. Sawicki. "Cyclically producing the same average muscle-tendon force with a smaller duty increases metabolic rate." Proceedings of the Royal Society B: Biological Sciences 287, no. 1933 (2020): 20200431. http://dx.doi.org/10.1098/rspb.2020.0431.

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Ground contact duration and stride frequency each affect muscle metabolism and help scientists link walking and running biomechanics to metabolic energy expenditure. While these parameters are often used independently, the product of ground contact duration and stride frequency (i.e. duty factor) may affect muscle contractile mechanics. Here, we sought to separate the metabolic influence of the duration of active force production, cycle frequency and duty factor. Human participants produced cyclic contractions using their soleus (which has a relatively homogeneous fibre type composition) at pr

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SATO, Hideki, and Kinya FUJITA. "ANALYSIS OF ANKLE JOINT VISCOELASTICITY IN HUMAN UPRIGHT POSTURE." Biomechanisms 14 (1998): 49–58. http://dx.doi.org/10.3951/biomechanisms.14.49.

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Athanasiou, K. A., G. G. Niederauer, and R. C. Schenck. "Biomechanical topography of human ankle cartilage." Annals of Biomedical Engineering 23, no. 5 (1995): 697–704. http://dx.doi.org/10.1007/bf02584467.

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NIU, WENXIN, LEJUN WANG, RUI ZHU, and BING LI. "A THREE-DIMENSIONAL MORPOLOGICAL MEASUREMENT AND IN VITRO BIOMECHANICAL STUDY OF METATARSALS." Journal of Mechanics in Medicine and Biology 15, no. 06 (2015): 1540047. http://dx.doi.org/10.1142/s0219519415400473.

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Stress fracture of the metatarsal (MT) is often reported clinically. This study was aimed to measure and compare the three-dimensional (3D) morphological structure of five MTs, and investigate the in vitro biomechanics of five MTs under simulated stance phase. A total of seven foot-ankle samples of human cadavers were collected for this experiment. All samples were CT-scanned and 3D re-constructed for digital measurements. To simulate the stance phase, each sample was vertically loaded with 700-N through a material testing machine. The 3D-reconstruction-based measurement showed significant dif

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Liu, Yuwei, Feifei Chen, Gongju Liu, Zhiqiang Liang, Sergey Popik, and Wenlan Lian. "Moxibustion Intervention Effect to Vertical Jump Performance." Journal of Medical Imaging and Health Informatics 10, no. 5 (2020): 1171–77. http://dx.doi.org/10.1166/jmihi.2020.2992.

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More and more people have known moxibustion as a traditional Chinese treatment technique. Moxibustion not only activate the immune system but also lessen sport tired effectively. The main goal of this study to investigate whether moxibustion alleviates the fatigue after the movement of the human body through biomechanics testing. The experiment recruited 6 young males as subjects, using moxibustion intervention after exercise-fatigue. The joint angle was obtained from Vicon motion analysis system, Kistler was used to measuring the GRF, jump height. In the sagittal plane, the peak angle of the

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Van Hooren, Bas, Joel T. Fuller, Jonathan D. Buckley, et al. "Is Motorized Treadmill Running Biomechanically Comparable to Overground Running? A Systematic Review and Meta-Analysis of Cross-Over Studies." Sports Medicine 50, no. 4 (2019): 785–813. http://dx.doi.org/10.1007/s40279-019-01237-z.

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Abstract Background Treadmills are often used in research, clinical practice, and training. Biomechanical investigations comparing treadmill and overground running report inconsistent findings. Objective This study aimed at comparing biomechanical outcomes between motorized treadmill and overground running. Methods Four databases were searched until June 2019. Crossover design studies comparing lower limb biomechanics during non-inclined, non-cushioned, quasi-constant-velocity motorized treadmill running with overground running in healthy humans (18–65 years) and written in English were includ

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Huang, Pi-Yin, Wen-Ling Chen, Cheng-Feng Lin, and Heng-Ju Lee. "Lower Extremity Biomechanics in Athletes With Ankle Instability After a 6-Week Integrated Training Program." Journal of Athletic Training 49, no. 2 (2014): 163–72. http://dx.doi.org/10.4085/1062-6050-49.2.10.

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Context: Plyometric exercise has been recommended to prevent lower limb injury, but its feasibility in and effects on those with functional ankle instability (FAI) are unclear. Objective: To investigate the effect of integrated plyometric and balance training in participants with FAI during a single-legged drop landing and single-legged standing position. Design: Randomized controlled clinical trial. Setting: University motion-analysis laboratory. Patients or Other Participants: Thirty athletes with FAI were divided into 3 groups: plyometric group (8 men, 2 women, age = 23.20 ± 2.82 years; 10

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