Three-dimensional knee model: constrained by isometric ligament bundles and experimentally obtained tibio-femoral contacts |
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| Authors: | Akalan N E Ozkan M Temelli Y |
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| Institution: | 1. Institute of Biomedical Engineering, Boğaziçi University, Turkey;2. Department of Orthopedics and Traumatology, School of Medicine, Istanbul University, Turkey;3. Department of Developmental Child Neurology, School of Medicine, Istanbul University, Turkey;1. Centre for Health, Exercise and Sports Medicine (CHESM), Department of Physiotherapy, The University of Melbourne, Melbourne, VIC, Australia;2. School of Medical and Applied Sciences, Central Queensland University, Rockhampton, QLD, Australia;1. Department of Mechanical and Aerospace Engineering, University of California, Davis, Davis, CA, USA;2. Department of Neurological and Movement Sciences, University of Verona, Verona, Italy;3. Department of Biomedical Engineering, University of California, Davis, Davis, CA, USA;1. School of Earth and Environmental Sciences, The University of Manchester, United Kingdom;2. School of Science and the Environment, Manchester Metropolitan University, United Kingdom;1. School of Occupational Therapy, National Taiwan University, Taipei City, Taiwan, ROC;2. Department of Physical Medicine and Rehabilitation, Taoyuan Armed Forces General Hospital, Taoyuan County, Taiwan, ROC;3. Department of Physical Medicine and Rehabilitation, Shin Kong Wu Ho-Su Memorial Hospital, Taipei City, Taiwan, ROC;4. Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei City, Taiwan, ROC;5. Institute of Biomedical Engineering, National Taiwan University, Taipei City, Taiwan, ROC;6. Department of Orthopaedic Surgery, School of Medicine, National Taiwan University, Taipei City, Taiwan, ROC;7. School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan, ROC;1. Washington State University, Pullman, WA, USA;2. University of Pittsburgh, Pittsburgh, PA, USA;1. Graduate School of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa-shi, Saitama 359-1192, Japan;2. Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa-shi, Saitama 359-1192, Japan;3. College of System Engineering and Science, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama-shi, Saitama 337-0003, Japan;4. National Institute of Fitness and Sports in KANOYA, 1 Shiromizu-cho, Kanoya-shi, Kagoshima 891-2393, Japan |
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| Abstract: | The purpose of this study is to investigate the effect of anterior portion of anterior cruciate ligament, posterior cruciate ligament, anterior and deep portions of medial collateral ligament and the tibio-femoral articular contacts on passive knee motion. A well-accepted reference model for a normal tibio-femoral joint is reconstructed from the literature. The proposed three-dimensional dynamic tibio-femoral model includes the isometric fascicles, ligament bundles and irregularly shaped medial-lateral contact surfaces. With the approach we aim to analyze bone shape and ligament related abnormalities of knee kinematics. The rotations, translations and the contact forces during passive knee flexion were compared against a reference model and the results were found in close accordance. This study demonstrated that isometric ligament bundles play an important role in understanding the femur shape from contact points on tibia. Femoral condyles are not necessarily spherical. The surgical treatments should consider both ligament bundle lengths and contact surface geometries to achieve a problem free knee kinematics after a knee surgery. |
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