Abstract:
Objectives:The aim of this study was to investigate the biomechanical effect of the anterolateral ligament (ALL), anterior cruciate ligament (ACL), or both ALL and ACL on kinematics under dynamic loading conditions using dynamic simulation subject-specific knee models. Methods:Five subject-specific musculoskeletal models were validated with computationally predicted muscle activation, electromyography data, and previous experimental data to analyze effects of the ALL and ACL on knee kinematics under gait and squat loading conditions. Results:Anterior translation (AT) significantly increased with deficiency of the ACL, ALL, or both structures under gait cycle loading. Internal rotation (IR) significantly increased with deficiency of both the ACL and ALL under gait and squat loading conditions. However, the deficiency of ALL was not significant in the increase of AT, but it was significant in the increase of IR under the squat loading condition. Conclusion:The results of this study confirm that the ALL is an important lateral knee structure for knee joint stability. The ALL is a secondary stabilizer relative to the ACL under simulated gait and squat loading conditions.Cite this article: Bone Joint Res 2019;8:509-517.
journal_name
Bone Joint Resjournal_title
Bone & joint researchauthors
Kang KT,Koh YG,Park KM,Choi CH,Jung M,Shin J,Kim SHdoi
10.1302/2046-3758.811.BJR-2019-0103.R1subject
Has Abstractpub_date
2019-12-03 00:00:00pages
509-517issue
11issn
2046-3758pii
10.1302_2046-3758.811.BJR-2019-0103.R1journal_volume
8pub_type
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journal_title:Bone & joint research
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