Imperial College London

ProfessorAndrewAmis

Faculty of EngineeringDepartment of Mechanical Engineering

Professor
 
 
 
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Contact

 

+44 (0)20 7594 7062a.amis

 
 
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Assistant

 

Ms Fabienne Laperche +44 (0)20 7594 7033

 
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Location

 

713City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

344 results found

Giurea M, Zorilla P, Amis AA, Aichroth Pet al., 1999, Comparative pull-out and cyclic-loading strength tests of anchorage of hamstring tendon grafts in anterior cruciate ligament reconstruction, American Journal of Sports Medicine, Vol: 27, Pages: 621-625, ISSN: 0363-5465

JOURNAL ARTICLE

Keen CE, Amis AA, 1999, Polyester fibre prosthetic anterior cruciate ligament implant rupture: necrosis of ingrown connective tissue, Histopathology, Vol: 35, Pages: 74-81, ISSN: 0309-0167

JOURNAL ARTICLE

Kerner J, Huiskes R, van Lenthe GH, Weinans H, van Rietbergen B, Engh CA, Amis AAet al., 1999, Correlation between pre-operative periprosthetic bone density and post-operative bone loss in THA can be explained by strain-adaptive remodelling, Journal of Biomechanics, Vol: 32, Pages: 695-703, ISSN: 0021-9290

JOURNAL ARTICLE

Amis AA, Jakob RP, 1998, Anterior cruciate ligament graft positioning, tensioning and twisting., Knee Surg Sports Traumatol Arthrosc, Vol: 6 Suppl 1, Pages: S2-12, ISSN: 0942-2056

This paper reports on a scientific workshop to study anterior cruciate ligament (ACL) reconstruction. The aim is to present recommendations for ACL reconstruction methods that will be of use for surgeons. A study of knee anatomy and graft placement concluded that the tibial attachment must be posterior enough to avoid graft impingement against the femur, and methods to attain this were presented. On the femur, poor graft placement leads to excessive changes of the graft attachment site separation distance as the knee flexes, and the worst case corresponds to the attachment being too far anterior. It was agreed that there were typical patterns of graft tension changes as the knee flexes, and that grafts should be tensioned close to full knee extension. A typical tensioning protocol would be 60 N tension applied at 10 degrees of flexion. It was recognised that graft remodelling caused uncontrollable tension changes post-operation. Graft twisting, to recreate the anatomical spiral of ACL fibres seen in the flexed knee, was also discussed.

JOURNAL ARTICLE

Amis AA, 1998, Biomechanics of the elbow, Joint replacement in the shoulder and elbow, Editors: Wallace, Publisher: Butterworth Heinemann, Pages: 103-125, ISBN: 9780750613675

BOOK CHAPTER

Amis AA, 1998, Biomechanics of the elbow, Surgery of the elbow - practical and scientific aspects, Editors: Stanley, Kay, Publisher: Arnold, Pages: 15-27, ISBN: 9780340598054

BOOK CHAPTER

Amis AA, Jakob RP, 1998, Anterior cruciate ligament graft positioning, tensioning and twisting, Knee Surgery, Sports Traumatology and Arthroscopy, Vol: 6, Pages: 2-12, ISSN: 0942-2056

JOURNAL ARTICLE

Beynnon BD, Amis AA, 1998, In vitro testing protocols for the cruciate ligaments and ligament reconstructions., Knee Surg Sports Traumatol Arthrosc, Vol: 6 Suppl 1, Pages: S70-S76, ISSN: 0942-2056

The techniques that have been used to characterize the biomechanical behavior of the knee, cruciate ligaments, and cruciate ligament replacements differ, making comparisons between studies difficult or, at times, impossible. Therefore, it is important to standardize the testing protocols and techniques that describe the biomechanical behavior of the knee and cruciate ligaments. This will allow investigators to express opinions with respect to the interpretation of data, rather than based on differences between testing techniques. Standardized techniques are proposed to locate the origins of the tibial and femoral coordinate systems, and thus, allow comparisons of knee kinematics (e.g., displacements and rotations) between investigations. Standard techniques that can be used to measure the load-displacement behavior of the knee are described, and important considerations that should be appreciated with respect to preparing and testing of the joint are summarized. It is important to evaluate the single cycle load-to-failure characteristics and the cyclic loading response of an anterior cruciate ligament graft, and techniques to evaluate cruciate ligament graft fixation are proposed. The strengths of different models to characterize the biomechanical behavior of the knee are reviewed.

JOURNAL ARTICLE

Beynnon BD, Amis AA, 1998, In vitro testing protocols for the cruciate ligaments and ligament reconstructions, Knee Surgery, Sports Traumatology and Arthroscopy, Vol: 6, Pages: 70-76, ISSN: 1433-7347

JOURNAL ARTICLE

Bull AMJ, Amis AA, 1998, Knee joint motion: description and measurement, Proceedings of the Institution of Mechanical Engineers Part H-Journal of Engineering in Medicine, Vol: 212, Pages: 357-372, ISSN: 0954-4119

JOURNAL ARTICLE

Bull AMJ, Amis AA, 1998, The pivot-shift phenomenon: a clinical and biomechanical perspective, The Knee, Vol: 5, Pages: 141-158, ISSN: 0968-0160

JOURNAL ARTICLE

Bull AMJ, Berkshire FH, Amis AA, 1998, Accuracy of an electromagnetic measurement device and application to the measurement and description of knee joint motion, Proceedings of the Institution of Mechanical Engineers Part H-Journal of Engineering in Medicine, Vol: 212, Pages: 347-355, ISSN: 0954-4119

JOURNAL ARTICLE

Farahmand F, Senavongse W, Amis AA, 1998, Quantitative study of the quadriceps muscles and trochlear groove geometry related to instability of the patellofemoral joint, Journal of Orthopaedic Research, Vol: 16, Pages: 136-143, ISSN: 0736-0266

JOURNAL ARTICLE

Farahmand F, Tahmasbi MN, Amis AA, 1998, Lateral force-displacement behaviour of the human patella and its variation with knee flexion - a biomechanical study in vitro, Journal of Biomechanics, Vol: 31, Pages: 1147-1152, ISSN: 0021-9290

JOURNAL ARTICLE

Jakob RP, Amis AA, 1998, Editorial, Knee Surgery, Sports Traumatology and Arthroscopy, Vol: 6, Pages: S1-S1, ISSN: 0942-2056

JOURNAL ARTICLE

Potamianos P, Amis AA, Forester AJ, McGurk M, Bircher Met al., 1998, Rapid prototyping for orthopaedic surgery, Proceedings of the Institution of Mechanical Engineers Part H-Journal of Engineering in Medicine, Vol: 212, Pages: 383-393, ISSN: 0954-4119

JOURNAL ARTICLE

Race A, Amis AA, 1998, PCL reconstruction - In vitro biomechanical comparison of 'isometric' versus single and double-bundled 'anatomic' grafts, Journal of Bone and Joint Surgery-British Volume, Vol: 80B, Pages: 173-179, ISSN: 0301-620X

JOURNAL ARTICLE

Unsworth A, Amis AA, 1998, Biomechanics of articulations and derangements in disease, Oxford textbook of rheumatology, Editors: Maddison, Isenberg, Woo, Glass, Publisher: Oxford University Press, Pages: 477-485, ISBN: 9780192626974

BOOK CHAPTER

Zavras TD, Amis AA, 1998, Method for visualising and measuring the position of the femoral attachment of the ACL and ACL grafts in experimental work, Journal of Biomechanics, Vol: 31, Pages: 387-390, ISSN: 0021-9290

JOURNAL ARTICLE

Amis AA, 1997, Biomechanics of bone, tendon and ligament, Sciences basic to orthopaedics, Editors: Hughes, McCarthy, Saunders, London, Pages: 222-239, ISBN: 9780702019739

BOOK CHAPTER

Bull AM, Amis AA, 1997, Accuracy of an electromagnetic tracking device., J Biomech, Vol: 30, Pages: 857-859, ISSN: 0021-9290

JOURNAL ARTICLE

Bull AMJ, Amis AA, 1997, Accuracy of an electromagnetic tracking device, JOURNAL OF BIOMECHANICS, Vol: 30, Pages: 857-858, ISSN: 0021-9290

JOURNAL ARTICLE

McGurk M, Amis AA, Potamianos P, Goodger NMet al., 1997, Rapid prototyping techniques for anatomical modelling in medicine, Annals of the Royal College of Surgeons of England, Vol: 79, Pages: 169-174, ISSN: 0035-8843

JOURNAL ARTICLE

McGurk M, Slabberti HDV, Amis AA, McDonald Fet al., 1997, A preliminary report of a case using an intra-oral distraction device, British Dental Journal, Vol: 183, Pages: 63-66, ISSN: 0007-0610

JOURNAL ARTICLE

Rossouw DJ, McElroy BJ, Amis AA, Emery RJHet al., 1997, A biomechanical evaluation of suture anchors in repair of the rotator cuff, Journal of Bone and Joint Surgery-British Volume, Vol: 79B, Pages: 458-461, ISSN: 0301-620X

JOURNAL ARTICLE

Amis AA, 1996, Absorbable sutures in tendon repair., J Hand Surg Br, Vol: 21, ISSN: 0266-7681

JOURNAL ARTICLE

Amis AA, 1996, Untitled, Journal of Hand Surgery-British and European Volume, ISSN: 0266-7681

JOURNAL ARTICLE

Amis AA, 1996, Is polyethylene still the best prosthetic bearing surface?, Journal of Bone and Joint Surgery-British Volume, Vol: 78, Pages: 345-348, ISSN: 0301-620X

JOURNAL ARTICLE

Amis AA, 1996, The ovine stifle as a model for human cruciate ligament surgery, Veterinary and Comparative Orthopaedics and Traumatology, Vol: 9, Pages: 134-139, ISSN: 0932-0814

JOURNAL ARTICLE

Amis AA, Farahmand F, 1996, Extensor mechanism of the knee, Current Orthopaedics, Vol: 10, Pages: 102-109

JOURNAL ARTICLE

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