A statistical shape model of the tibia-fibula complex: sexual dimorphism and effects of age on reconstruction accuracy from anatomical landmarks
A statistical shape model of the tibia-fibula complex: sexual dimorphism and effects of age on reconstruction accuracy from anatomical landmarks
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DOI：
10.1080/10255842.2021.1985111
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发表时间：
2021-09-24
影响因子：
1.6
通讯作者：
Edwards, W. Brent
中科院分区：
文献类型：
--
作者：
Bruce, Olivia L.;Baggaley, Michael;Edwards, W. Brent
为年轻人创建了统计形状模型，用于根据骨标志预测胫骨和腓骨的几何形状。对 CT 数据的重建误差进行了量化，并与等距缩放进行比较。性别之间存在体形差异。统计形状模型以高精度（RMSE = 1.51-1.62 mm）从地标估计胫骨-腓骨几何形状，改进了等距缩放（RMSE = 1.78 mm）。当模型应用于老年人时，重建误差会增加（RMSE = 2.11-2.17 mm）。通过形状模型重建提高几何精度，使年轻人的腿筋力臂改变了 25-35%（1.0-1.3 毫米）。
A statistical shape model was created for a young adult population and used to predict tibia and fibula geometries from bony landmarks. Reconstruction errors with respect to CT data were quantified and compared to isometric scaling. Shape differences existed between sexes. The statistical shape model estimated tibia-fibula geometries from landmarks with high accuracy (RMSE = 1.51-1.62 mm), improving upon isometric scaling (RMSE = 1.78 mm). Reconstruction errors increased when the model was applied to older adults (RMSE = 2.11-2.17 mm). Improvements in geometric accuracy with shape model reconstruction changed hamstring moment arms 25-35% (1.0-1.3 mm) in young adults.