Strain Measurement in BiomechanicsStrain Measurement in Biomechanics

Strain Measurement in Biomechanics will provide a valuable reference source for all research workers in biomechanics and biomaterials as well as orthopaedic manufacturers and orthopaedic surgeons.

Author: A.W. Miles

Publisher: Springer Science & Business Media

ISBN: 9789401123303


Page: 191

View: 284

Strain Measurement in Biomechanics will provide a valuable reference source for all research workers in biomechanics and biomaterials as well as orthopaedic manufacturers and orthopaedic surgeons.

Optical Measurement Methods in BiomechanicsOptical Measurement Methods in Biomechanics

Journal of Orthopaedic Research, 10(2), 198-204. Arms, S., Boyle, J., Johnson, R. and Pope, M. (1983) Strain measurement in the medical collateral ligament of the human knee: an autopsy study. Journal of Biomechanics, 16(7), 491-6.

Author: J.C. Shelton

Publisher: Springer Science & Business Media

ISBN: 9780585352282


Page: 196

View: 591

This book has been written to provide research workers with an introd- tion to several optical techniques for new applications. It is intended to be comprehensible to people from a wide range of backgrounds - no prior optical or physics knowledge has been assumed. However, sufficient technical details have been included to enable the reader to understand the basics of the techniques and to be able to read further from the ref- ences if necessary. The book should be as useful to postgraduate students and experienced researchers as those entering the bioengineering field, irrespective of whether they have a technical or clinical background. It has been prepared with an awareness of the inherent difficulties in und- standing aspects of optics which, in the past, have precluded practical application. The contents address a broad range of optical measurement techniques which have been used in biomechanics, techniques characterized as n- contacting and non-destructive. Theoretical outlines and practical advice on gaining entry to the fields of expertise are complemented by biomec- nical case studies and key literature references. The aim is to present each technique, to appraise its advantages and capabilities and thereby to allow informed selection of an appropriate method for a particular app- cation. It is anticipated that research workers will be assisted in est- lishing new methodologies and gain first-hand experience of the techniques.

3D optical Measurement of Implant Biomechanics3D optical Measurement of Implant Biomechanics

Background: Biomechanics plays a decisive role in the long-term success of dental implants.



ISBN: OCLC:1163830356



View: 423

Background: Biomechanics plays a decisive role in the long-term success of dental implants. Previous work has shown that biomechanical processes can be visualized using a 3D optical measuring system (ARAMIS, GOM GmbH) as part of a comparison with strain gauges.Aim: The aim of this study was to investigate whether a first comparison of different materials of implant-supported bridges and their influence on the surface deformation of the bone under chewing force is possible with the new system.Materials and methods: Two implants were placed in an artificial bone block and restored with bridges made of different materials (base metal, polyether ether ketone, ceramics) in successive test series. An universal testing machine simulated an increasing purchasing power of 50, 100, 150 and 200kN and measurements of the surface changes of the artificial bone for each material was performed. This was achieved on the one hand by a strain gauge and on the other hand by the use of the innovative, computer-aided and optical 3D measuring system ARAMIS. Parallel to the strain gauge, two virtual extensometers (virtual strain gauges) were created using ARAMIS software and were integrated into the images of the ARAMIS system. By using the ARAMIS software, the lengths of the extensometers were able to be detected at any time of each test series. The mean change in length of these extensometers was compared with the change in length of the strain gauge as a reference.Results: It was shown that the mean value of the change in length of the two virtual extensometers were almost congruent with those of the corresponding strain gauge. Thus, the system was basically suitable for the intended investigation.Conclusion:1.tHighly complex biomechanical processes can be examined with high precision on the basis of the u2013 for dental concerns u2013 new measuring method. 2.tThe system also allows the evaluation of biomechanical processes at a previously unattainable speed with a larger amount of data at the same time.3.tAn exactly congruent course of the measured values is not yet possible, since the positioning of the virtual extensometers is still limited. The aim of further work will be to align the extensometers exactly with the strain gauge.


Sensors capable of quantifying the effects of forces can be divided into two groups: capacitance and conductive sensors, and piezoelectric and strain gauge sensors. Capacitance and conductive sensors are advantageous for measuring ...

Author: Manuel Doblare

Publisher: EOLSS Publications

ISBN: 9781780210230


Page: 498

View: 416

Biomechanics is a component of Encyclopedia of Physical Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. The enormous progress in the field of health sciences that has been achieved in the 19th and 20th centuries would have not been possible without the enabling interaction and support of sophisticated technologies that progressively gave rise to a new interdisciplinary field named alternatively as bioengineering or biomedical engineering. Although both terms are synonymous, the latter is less general since it limits the field of application to medicine and clinical practice, while the former covers semantically the whole field of interaction between life sciences and engineering, thus including also applications in biology, biochemistry or the many '-omics'. We use in this book the second, with more general meaning, recalling the very important relation between fundamental science and engineering. And this also recognizes the tremendous economic and social impacts of direct application of engineering in medicine that maintains the health industry as one with the fastest growth in the world economy. Biomechanics, in particular, aims to explain and predict the mechanics of the different components of living beings, from molecules to organisms as well as to design, manufacture and use of any artificial device that interacts with the mechanics of living beings. It helps, therefore, to understand how living systems move, to characterize the interaction between forces and deformation along all spatial scales, to analyze the interaction between structural behavior and microstructure, with the very important particularity of dealing with adaptive systems, able to adapt their internal structure, size and geometry to the particular mechanical environment in which they develop their activity, to understand and predict alterations in the mechanical function due to injuries, diseases or pathologies and, finally, to propose methods of artificial intervention for functional diagnosis or recovery. Biomechanics is today a very highly interdisciplinary subject that attracts the attention of engineers, mathematicians, physicists, chemists, material specialists, biologists, medical doctors, etc. They work in many different topics from a purely scientific objective to industrial applications and with an increasing arsenal of sophisticated modeling and experimental tools but always with the final objectives of better understanding the fundamentals of life and improve the quality of life of human beings. One purpose in this volume has been to present an overview of some of these many possible subjects in a self-contained way for a general audience. This volume is aimed at the following major target audiences: University and College Students, Educators, Professional Practitioners, and Research Personnel.

Biomechanical SystemsBiomechanical Systems

Sirkis, J.S. and Lim, T.J., Displacement and strain measurement with automated grid methods, Experimental Mech., 382, December 1991. Smith, W.M. and Starmer, C.F., Error propagation in quantitative biplane cineroentgenography, Phys.

Author: Cornelius T. Leondes

Publisher: CRC Press

ISBN: 9780429525438


Page: 224

View: 500

Because of developments in powerful computer technology, computational techniques, advances in a wide spectrum of diverse technologies, and other advances coupled with cross disciplinary pursuits between technology and its greatly significant applied implications in human body processes, the field of biomechanics is evolving as a broadly significant area. This Third Volume presents the advances in widely diverse areas with significant implications for human betterment that occur continuously at a high rate. These include dynamics of musculo-skeletal systems; mechanics of hard and soft tissues; mechanics of muscle; mechanics of bone remodeling; mechanics of implant-tissue interfaces; cardiovascular and respiratory biomechanics; mechanics of blood flow, air flow, flow-prosthesis interfaces; mechanics of impact; dynamics of man machine interaction; and numerous other areas. The great breadth and depth of the field of biomechanics on the international scene requires at least four volumes for adequate treatment. These four volumes constitute a well integrated set that can be utilized as individual volumes. They provide a substantively significant and rather comprehensive, in-depth treatment of biomechanic systems and techniques that is most surely unique on the international scene.

Biomechanics of the Gastrointestinal TractBiomechanics of the Gastrointestinal Tract

Second, even a small error in volume in the lowpressure range, as shown in Figure 4.2, will affect the results of a tensionstrain analysis since the reference length for the strain measurement is determined in this range.

Author: Hans Gregersen

Publisher: Springer Science & Business Media

ISBN: 9781447137429


Page: 268

View: 801

Biomechanics of the Gastrointestinal Tract is an up-to-date book for researchers on the study of the mechanical properties and the motor system of the gastrointestinal tract. A well-illustrated book, it provides a comprehensive overview to relevant tissue geometry, morphology and biomechanical theory. Separate chapters cover smooth muscle and nerve function including the application to animal and human studies of motility, symptoms and pain, determination of the true resting state, history-dependent properties, and tissue remodelling in disease. Several methods and diagnostic applications such as determination of in vivo length-tension diagrams and multimodal pain testing are completely new but will undoubtedly be used by many in the future. New non-invasive imaging techniques based on ultrasound, MR- and CT-scanning in combination with balloon distension are emerging as the techniques for future in vivo studies.

Mechanical Testing of Bone and the Bone Implant InterfaceMechanical Testing of Bone and the Bone Implant Interface

Little, E.G. and Finlay, J.B., Perspectives of strain measurement techniques, in Strain Measurement in Biomechanics, Miles, A.W. and Tanner, K.E., Eds., Chapman & Hall, London, 1992, 1. 2. Finlay, J.B., Bourne, R.B., Landsberg, R.P., ...

Author: Yuehuei H. An

Publisher: CRC Press

ISBN: 9781420073560


Page: 648

View: 147

The mechanical properties of whole bones, bone tissue, and the bone-implant interfaces are as important as their morphological and structural aspects. Mechanical Testing of Bone and the Bone-Implant Interface helps you assess these properties by explaining how to do mechanical testing of bone and the bone-implant interface for bone-related research

Fundamentals of BiomechanicsFundamentals of Biomechanics

There are many other force - measuring devices ( e.g. , load cell , strain gauge , isokinetic dynamometer ) that help biomechanics scholars study the kinetics of movement . ance to rotation will be summarized in chapter 7 The first ...

Author: Duane V. Knudson

Publisher: Springer Science & Business Media

ISBN: 0306474743


Page: 310

View: 509

Fundamentals of Biomechanics introduces the exciting world of how human movement is created and how it can be improved. Teachers, coaches and physical therapists all use biomechanics to help people improve movement and decrease the risk of injury. The book presents a comprehensive review of the major concepts of biomechanics and summarizes them in nine principles of biomechanics. Fundamentals of Biomechanics concludes by showing how these principles can be used by movement professionals to improve human movement. Specific case studies are presented in physical education, coaching, strength and conditioning, and sports medicine.

Orthopaedic BiomechanicsOrthopaedic Biomechanics

Care must be taken to accurately measure tissue geometry and local strain, to standardize the loading history, and to properly grip the tissue. Most experimental studies use engineering stress, that is, load divided by initial ...

Author: Beth A. Winkelstein

Publisher: CRC Press

ISBN: 9781439860939


Page: 639

View: 480

Given the strong current attention of orthopaedic, biomechanical, and biomedical engineering research on translational capabilities for the diagnosis, prevention, and treatment of clinical disease states, the need for reviews of the state-of-art and current needs in orthopaedics is very timely. Orthopaedic Biomechanics provides an in-depth review of the current knowledge of orthopaedic biomechanics across all tissues in the musculoskeletal system, at all size scales, and with direct relevance to engineering and clinical applications. Discussing the relationship between mechanical loading, function, and biological performance, it first reviews basic structure-function relationships for most major orthopedic tissue types followed by the most-relevant structures of the body. It then addresses multiscale modeling and biologic considerations. It concludes with a look at applications of biomechanics, focusing on recent advances in theory, technology and applied engineering approaches. With contributions from leaders in the field, the book presents state-of-the-art findings, techniques, and perspectives. Much of orthopaedic, biomechanical, and biomedical engineering research is directed at the translational capabilities for the "real world". Addressing this from the perspective of diagnostics, prevention, and treatment in orthopaedic biomechanics, the book supplies novel perspectives for the interdisciplinary approaches required to translate orthopaedic biomechanics to today’s real world.