Download or read book Gait Cycle Analysis and Mechanical Design of Ankle Foot Orthosis Testbed written by Chengbo Yin and published by . This book was released on 2014 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ankle Foot Orthosis (AFO) is a type of ankle brace for providing assistant force support on the patient's ankle. The research was focused on the structure redesigning, gait cycle analysis and Rapid Prototyping-Ankle Foot Orthosis testbed design. It is tried to provide a. new assembling AFO design, so that lower cost along with a standard process are achieved in order to build a customized AFO. The formal AFO structure was an integrated design. The integrated design was separated into three parts, a. customized base, a. function bar and a standard cuff. The customized base was built by rapid-prototyping method. The surface of the patient's ankle was modeled by the 3D scanner and then built by the 3D printer. The function bar worked as a spring. When the patient is walking, the bar could store the energy and release it. In this process, the weight of the patient is transferred to the spring's potential energy and then the energy is transferred as an assistive force. During designing the structure, it has been tried to provide a range of materials and sizes to meet the different needs of patients who need different assistant levels. The Finite Element Analysis (FEA) was completed on several regular materials. There was no way to formulate or calculate the shape of the AFO, since a customized AFO should be based on the certain patient. As a result, the RP-method was only for assistance, and hence, this work focused on providing the guidance for designing an eligible AFO for a certain patient at a certain status. The standard cuff has a range of sizes, and it could be adjusted by the patients at any time. The testbed for the AFO was based on the gait cycle analysis. For the testbed, an ankle foot simulation system was built. Using this testbed, the AFO can continue working for several hours, so that fatigue results for the proposed AFO can be obtained. The underlying principle here is to test the AFO design rather than simulating the human ankle foot. Hence, some necessary simplification was applied. For this, some necessary degrees of freedom were retained while the rest were eliminated. Three concept designs were compared and then one final design was built. A simple PID controller was designed and implemented as the control system for the testbed. The test result demonstrated the feasibility of the design and applicability of the testbed.
Download or read book Whittle s Gait Analysis written by Jim Richards and published by Elsevier Health Sciences. This book was released on 2012-07-13 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whittle’s Gait Analysis – formerly known as Gait Analysis: an introduction – is now in its fifth edition with a new team of authors led by David Levine and Jim Richards. Working closely with Michael Whittle, the team maintains a clear and accessible approach to basic gait analysis. It will assist both students and clinicians in the diagnosis of and treatment plans for patients suffering from medical conditions that affect the way they walk. Highly readable, the book builds upon the basics of anatomy, physiology and biomechanics Describes both normal and pathological gait Covers the range of methods available to perform gait analysis, from the very simple to the very complex. Emphasizes the clinical applications of gait analysis Chapters on gait assessment of neurological diseases and musculoskeletal conditions and prosthetics and orthotics Methods of gait analysis Design features including key points A team of specialist contributors led by two internationally-renowned expert editors 60 illustrations, taking the total number to over 180 Evolve Resources containing video clips and animated skeletons of normal gait supported by MCQs, an image bank, online glossary and sources of further information. Log on to http://evolve.elsevier.com/Whittle/gait to register and start using these resources today!
Download or read book Recent Advances in Mechanical Engineering written by Harish Kumar and published by Springer Nature. This book was released on 2020-01-24 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the selected peer-reviewed papers from the National Conference on Advances in Mechanical Engineering (NCAME 2019), held at the National Institute of Technology Delhi, India. The book covers different areas of mechanical engineering from design engineering to manufacturing engineering. A wide range of topics are discussed such as CAD/CAM, additive manufacturing, fluid dynamics, materials science and engineering, simulation and modeling, finite element analysis, applied mechanics to name a few. The contents provide an overview of the state-of-the-art in mechanical engineering research in the country. Given the scope of the topics covered, the book will be of interest for students, researchers and professionals working in mechanical engineering.
Download or read book Gait Analysis written by Michael W. Whittle and published by Butterworth-Heinemann. This book was released on 2014-05-12 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gait Analysis: An Introduction focuses on the systematic study of human walking and its contributions in the medical management of diseases affecting the locomotor system. The book first covers normal gait and pathological gait. Discussions focus on common pathologies affecting gait, amputee gait, walking aids, particular gait abnormalities, gait in the elderly and the young, moments of force, energy consumption, gait cycle, muscular activity during gait, and optimization of energy usage. The manuscript then elaborates on the methods of gait analysis, including visual gait analysis, general gait parameters, timing the gait cycle, direct motion measurement systems, electrogoniometers, electromyography, accelerometers, gyroscopes, and force platforms. The publication tackles the applications of gait analysis, as well as clinical gait and scientific gait analysis, normal ranges for gait parameters, conversions between measurement units, and computer program for general gait parameters. The manuscript is a valuable source of data for students of physical therapy, bioengineering, orthopedics, rheumatology, neurology, and rehabilitation.
Download or read book 3D Printing in Biomedical Engineering written by Sunpreet Singh and published by Springer Nature. This book was released on 2020-07-16 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive overview of the rapidly evolving field of three-dimensional (3D) printing, and its increasing applications in the biomedical domain. 3D printing has distinct advantages like improved quality, cost-effectiveness, and higher efficiency compared to traditional manufacturing processes. Besides these advantages, current challenges and opportunities regarding choice of material, design, and efficiency are addressed in the book. Individual chapters also focus on select areas of applications such as surgical guides, tissue regeneration, artificial scaffolds and implants, and drug delivery and release. This book will be a valuable source of information for researchers and professionals interested in the expanding biomedical applications of 3D printing.
Download or read book Foot and Ankle Motion Analysis written by Gerald F. Harris and published by CRC Press. This book was released on 2007-08-22 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human motion analysis or gait analysis is used throughout the country and the world in clinics for pre-surgical planning and postsurgical follow-up. Only recently have technological advances truly begun to meet medical needs by supplying more accurate analytical data from which to make educated assessments of dynamic foot and ankle pathology. A com
Download or read book The Testing and Analysis of a Mechanical Joint for a Plastic Molded Ankle foot Orthotic written by Sharon Lisa Yee and published by . This book was released on 1998 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Load Analysis of Ankle Foot Orthoses During Gait written by Atichart Kwanyuang and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Different causes of gait deficiencies generate different symptoms. It is important for orthotists to gain a better understanding on how to design Ankle Foot Orthoses (AFOs) in order to address individual biomechanical requirements. The loads acting on AFOs during gait are important factors for orthotists to accurately understand so as to design AFOs more effectively. Therefore, the aim of this study is to develop a validated Finite Element (FE) model, which could be used to quantify and analyse the loads acting on an AFO during gait. In this thesis, for mutual comparison and confirmation, pressures acting on the AFO are recorded by two different types of pressure transducers: resistive and capacitive. Trends of the results obtained from the two sensors are similar; however, the magnitudes tend to be different. Furthermore, an accurate digital 3D scanning model of an AFO is captured using the 3D digitiser which can be modified by Computer Aided Design (CAD) software before being exported to Finite Element Analysis (FEA) software to create an FE model. Both the loads measured from the experiment and the assumed constraint during heel off are then applied to the FE model. To make the analysis more complete, a number of features of AFO and a range of FEA methods are conducted. The results are validated by both empirical findings from previous literature and an additional experiment carried out. Based on a healthy subject with no pathological gait, this study reveals that, on the one hand, the AFO is able to assist walking by carrying 6.89% of the overall magnitude of ground reaction force. On the other hand, it resists walking by generating 18.63% in dorsiflexion of the overall magnitude of the moment generated by the plantarflexors. It is therefore claimed that these findings are useful for orthotists involved in fitting AFOs, in order to efficiently design and construct them.
Download or read book Impact of various ankle foot orthotic designs on crouch gait written by Abigail T. Dull and published by . This book was released on 2014 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Functional Materials and Advanced Manufacturing written by Chander Prakash and published by CRC Press. This book was released on 2021-01-06 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: This three-volume set addresses a new knowledge of function materials, their processing, and their characterizations. "Functional and Smart Materials", covered the synthesis and fabrication route of functional and smart materials for universal applications such as material science, mechanical engineering, manufacturing, metrology, nanotechnology, physics, chemical, biology, chemistry, civil engineering, and food science. "Advanced Manufacturing and Processing Technology" covers the advanced manufacturing technologies includes coating, deposition, cladding, nanotechnology, surface finishing, precision machining, processing, and emerging advanced manufacturing technologies for processing of materials for functional applications. "Characterization, Testing, Measurement and Metrology" covered the application of new and advanced characterization techniques to investigate and analysis the processed materials.
Download or read book Tuning a Custom Made Solid Ankle foot Orthosis in Early Stroke Rehabilitation written by Melissa Rodgers and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tuning ankle-foot orthoses (AFO) involves adjusting the design for biomechanical optimisation to improve gait. Research conlcuded only half of NHS orthotists execute tuning with lack of three-dimensional (3D) equipment a restricting factor. The study had three aims: first to investigate spatiotemporal and kinematic effects of fitting and tuning AFO on gait of acute stroke, compared to un-tuned AFO; secondly, to evaluate use of novel 3d gait analysis system which provided point of care feedback; and finally to establish any difference to tuning prescription between the novel system and observational gait analysis (OGA) by a NHS orthotist. Two males participated. Both presented hemiplegia in the lower limbs following a recent stroke and had been precribed a custom-made solid AFO which was tuned by the NHS orthotist using OGA. Gait analysis and tuning were also carried out using novel system producing point of care feedback of the following trials; treadmill, walking with shoes only, un-tuned AFO and during tuning. The software indicated the same wedge as the orthotist chose using OGA. Walking velocity and step symmetry increased for both patients with AFO. P1 achieved highest velocity and step-length with the un-tuned AFO. This was rejected as it caused excessive knee flexion throughout the gait cycle. Cadence increased for P2 and decreased for P1. P2's step length decreased with the use of an AFO. Neither patient achieved normal kinemtaic profiles for the hip, knee or ankle with the use of a tuned or un-tuned AFO.
Download or read book Kinetic Evaluation of Rocker Sole Ankle Foot Orthosis written by Ho Jang Hyeon and published by . This book was released on 2011 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Design and Analysis of a Dual Axis Articulated Ankle foot Orthosis written by Elizabeth L. Lawrence and published by . This book was released on 2004 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Foot Orthotics on Gait Analysis and Simulation written by 陳郁琪 and published by . This book was released on 2012 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Mechanical Response of a Passive dynamic Ankle foot Orthosis and Its Interaction with the Lower Limb During Gait written by Kirstie Edwards and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Recent Advances in Mechanical Engineering written by Mohammad Muzammil and published by Springer Nature. This book was released on 2020-12-28 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected peer-reviewed papers presented at the International Conference on Innovative Technologies in Mechanical Engineering (ITME) 2019. The book discusses a wide range of topics in mechanical engineering such as mechanical systems, materials engineering, micro-machining, renewable energy, systems engineering, thermal engineering, additive manufacturing, automotive technologies, rapid prototyping, computer aided design and manufacturing. This book, in addition to assisting students and researchers working in various areas of mechanical engineering, can also be useful to researchers and professionals working in various allied and interdisciplinary fields.
Download or read book Wearable Robotics written by Jacob Rosen and published by Academic Press. This book was released on 2019-11-16 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wearable Robotics: Systems and Applications provides a comprehensive overview of the entire field of wearable robotics, including active orthotics (exoskeleton) and active prosthetics for the upper and lower limb and full body. In its two major sections, wearable robotics systems are described from both engineering perspectives and their application in medicine and industry. Systems and applications at various levels of the development cycle are presented, including those that are still under active research and development, systems that are under preliminary or full clinical trials, and those in commercialized products. This book is a great resource for anyone working in this field, including researchers, industry professionals and those who want to use it as a teaching mechanism. Provides a comprehensive overview of the entire field, with both engineering and medical perspectives Helps readers quickly and efficiently design and develop wearable robotics for healthcare applications
