Load response of the tarsal bones in patients with flatfoot deformity: in vivo 3D study

Foot & Ankle International
Masamitsu KidoToshikazu Kubo

Abstract

The objective of this study was to evaluate the bone rotation of each joint in the hindfoot and compare the load response in healthy feet with that in flatfeet by analyzing the reconstructive three-dimensional (3D) CT image data during weightbearing. CT scans of 21 healthy feet and 21 feet with flatfoot deformity were taken in non-load condition followed by full-body weightbearing load condition. The images of the hindfoot bones were reconstructed into 3D models. The volume merge method in three planes was used to calculate the position of the talus relative to the tibia in the tibiotalar joint, the navicular relative to the talus in talonavicular joint, and the calcaneus relative to the talus in the talocalcaneal joint. The talar position difference to the load response relative to the tibia in the tibiotalar joint in a flatfoot was 1.7 degrees more plantarflexed in comparison to that in a healthy foot (p = 0.031). The navicular position difference to the load response relative to the talus in the talonavicular joint was 2.3 degrees more everted (p = 0.0034). The calcaneal position difference to the load response relative to the talus in the talocalcaneal joint was 1.1 degrees more dorsiflexed (p = 0.0060) and 1.7 degrees more...Continue Reading

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Citations

Aug 12, 2014·Foot and Ankle Surgery : Official Journal of the European Society of Foot and Ankle Surgeons·Martinus RichterSarah Hahn
Jan 21, 2016·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Naoki YoshiokaToshikazu Kubo
Feb 11, 2015·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Jian XuXin Ma
Nov 5, 2016·Foot and Ankle Surgery : Official Journal of the European Society of Foot and Ankle Surgeons·A BurssensG Vandeputte
Jul 7, 2015·Journal of Foot and Ankle Research·Kan ImaiToshikazu Kubo
Mar 19, 2014·Gait & Posture·Salih AnginChristopher J Nester
Jul 13, 2014·Foot & Ankle International·Fabrice ColinMarkus Knupp
Dec 2, 2017·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Chen WangKan Wang
Dec 7, 2019·Clinical Orthopaedics and Related Research·Arne B M BurssensJan M K Victor
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Aug 19, 2021·Foot & Ankle International·Tadashi KimuraWilliam R Ledoux

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