Estimation of ACL forces by reproducing knee kinematics between sets of knees: A novel non-invasive methodology
| Autor: | Robert Kilger, Shon P. Darcy, Savio L. C. Woo, Richard E. Debski |
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| Rok vydání: | 2006 |
| Předmět: |
musculoskeletal diseases
Swine Anterior cruciate ligament Biomedical Engineering Biophysics Knee kinematics Kinematics medicine Animals Orthopedics and Sports Medicine Displacement (orthopedic surgery) Anterior Cruciate Ligament Mathematics Orthodontics biology Rehabilitation Non invasive Anatomy In vivo kinematics musculoskeletal system biology.organism_classification Biomechanical Phenomena Valgus medicine.anatomical_structure Lower Extremity Stress Mechanical Cadaveric spasm human activities |
| Zdroj: | Journal of Biomechanics. 39:2371-2377 |
| ISSN: | 0021-9290 |
| DOI: | 10.1016/j.jbiomech.2005.08.009 |
| Popis: | In situ force in the anterior cruciate ligament (ACL) has been quantified both in vitro in response to relatively simple loads by means of robotic technology, as well as in vivo in response to more complex loads by means of force transducers and computational models. However, a methodology has been suggested to indirectly estimate the in situ forces in the ACL in a non-invasive, non-contact manner by reproducing six-degree of freedom (six-DOF) in vivo kinematics on cadaveric knees using a robotic/UFS testing system. Therefore, the objective of this study was to determine the feasibility of this approach. Kinematics from eight porcine knees (source knees) were collected at 30 degrees , 60 degrees , and 90 degrees of flexion in response to: (1) an anterior load of 100 N and (2) a valgus load of 5 N m. The average of each kinematic data set was reproduced on a separate set of eight knees (target knees). The in situ forces in the ACL were determined for both sets of knees and compared. Significant differences (rho |
| Databáze: | OpenAIRE |
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