期刊
JOURNAL OF BIOMECHANICS
卷 47, 期 9, 页码 2022-2027出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jbiomech.2013.11.029
关键词
Knee kinetics; Anterior cruciate ligament; Meniscus; Activities of daily living; Ovine
资金
- National Institutes of Health [R21 EB004859, R01 AR056660]
Knee soft tissue structures are frequently injured, leading to the development of osteoarthritis even with treatment. Understanding how these structures contribute to knee function during activities of daily living (ADLs) is crucial in creating more effective treatments. This study was designed to determine the role of different knee structures during a simulated ADL in both human knees and ovine stifle joints. A six degree-of-freedom robot was used to reproduce each species' in vivo gait while measuring three-dimensional joint forces and torques. Using a semi-randomized selective cutting method, we determined the primary and secondary structures contributing to the forces and torques along and about each anatomical axis. In both species, the bony interaction, ACL, and medial meniscus provided most of the force contributions during stance, whereas the ovine MCL, human bone, and ACLs of both species were the key contributors during swing. This study contributes to our overarching goal of establishing functional tissue engineering parameters for knee structures by further validating biomechanical similarities between the ovine model and the human to provide a platform for measuring biomechanics during an in vivo ADL. These parameters will be used to develop more effective treatments for knee injuries to reduce or eliminate the incidence of osteoarthritis. (C) 2013 Elsevier Ltd. All rights reserved.
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