Lateral patellar maltracking due to trochlear dysplasia: A computational study.
作者： S. Cyrus Rezvanifar , Brett L. Flesher , Kerwyn C. Jones , John J. Elias
DOI: 10.1016/J.KNEE.2019.11.006
关键词: Orthodontics 、 Trochlear dysplasia 、 Recurrent instability 、 Patella 、 Squatting position 、 Knee extension 、 Lateral position 、 Tibial tuberosity 、 Patellar maltracking 、 Medicine
摘要: Abstract Background The study focuses on the influence of trochlear dysplasia patellar tracking related to instability. Methods Knee extension against gravity and dual-limb squatting were simulated with seven models representing knees being treated for recurrent Trochlear depth was altered represent lateral inclination (LTI) values 6°, 12° 24°. Repeated measures analyses compared shift (bisect offset index) across different LTI values. Peak bisect index during correlated patella alta (Caton–Deschamps maximum position tibial tuberosity. Results Bisect varied significantly (p Conclusions A shallow groove increases maltracking. tuberosity in combination risk Patella has relatively little due limited articular constraint provided by groove.
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