Joint space width of the tibiotalar joint in the healthy foot.
Joint space width of the tibiotalar joint in the healthy foot.
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DOI：
10.1186/s13047-015-0086-5
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发表时间：
2015
影响因子：
2.9
通讯作者：
Kubo T
中科院分区：
文献类型：
--
作者：
Imai K;Ikoma K;Kido M;Maki M;Fujiwara H;Arai Y;Oda R;Tokunaga D;Inoue N;Kubo T
为了更好地了解足和踝关节疾病的病理，详细评估踝关节榫眼关节间隙宽度的动态变化是很重要的。然而，很少有报告的变化，关节间隙宽度的足部和踝关节评估使用三维图像。本研究的目的是确定踝关节（胫距关节）的关节间隙宽度的变化与踝关节背屈和跖屈在健康的脚。对10只健康足分别在踝关节中立位、跖屈位和背屈位进行CT扫描，并在此基础上建立胫骨、腓骨和距骨的三维虚拟模型。使用定制的软件程序计算这些模型中的3D关节间隙宽度。关节间隙宽度按背屈位、中立位、跖屈位顺序增大。关于背屈和跖屈相对于中立位的变化量，中-中位没有显著差异。另一方面，在内侧-前、内侧-中间和内侧-后位置上有非常显著的差异。踝关节的关节间隙宽度可以使用3D重建图像精确计算。我们的研究结果应有助于澄清病理学与运动的踝关节在步态周期的基础上的变化，关节间隙宽度在足部表现出疾病。
It is important to evaluate dynamic changes in the joint space width of the ankle mortise in detail in order to better understand the pathology of foot and ankle disorders. However, there are few reports on changes in the joint space width of the foot and ankle assessed using 3D images. The purpose of this study was to determine the changes in the joint space width of the ankle (tibiotalar joint) in association with dorsiflexion and plantar flexion of the ankle joint in healthy feet. Computed tomography (CT) images of 10 healthy feet were obtained in the neutral, plantarflexed and dorsiflexed positions of the ankle joint, from which 3D virtual models were fabricated of the tibia, fibula and talus. The 3D joint space width in these models was calculated using a custom made software program. The joint space width increased in the order of dorsiflexion, neutral position and plantar flexion. Regarding the amount of change in dorsiflexion and plantar flexion relative to the neutral position, there were no significant differences in the middle-middle position. On the other hand, there were highly significant differences in the medial-anterior, medial-middle and medial-posterior positions. The joint space width of the ankle joint can be calculated accurately using 3D reconstruction images. Our findings should assist in clarifying pathology associated with movement of the ankle during the gait cycle based on changes in the joint space width in feet exhibiting disorders.
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