Abstract
Because of the motion of ankle joint, the surface morphological changes. The relevant products including ankle brace, ankle boot, etc. with both important protective effect on ankle and comfort should be designed to match the ankle varies states. The samples data with 15° plantar flexion, 40° dorsiflexion and neutral position of lower limbs(N=105) were scanned. This study analyzed the feature of the ankle morphological changes and divided it into four parts: anterolateral (I), posterolateral (II), posteromedial (III) and anteromedial (IV). The anterior and posterior parts had large contraction and expansion during plantar flexion and dorsiflexion motions. The medial and lateral parts of ankle shape were asymmetric, but had equal skin areas. Therefore, the area of the entire ankle surface remained almost the same when morphological changes. We unified the data of the models and measured the distances of characteristic points. According to the main dimensions, the ankles were classified into 17 groups. The rigid brace design was taken as an example to fit mass ankles. It showed a great statistical comfort degree in total by the user experience and evaluation. The method combining with features of ankle morphological changes and shape classification was proved to be effective for the ankle related products design to fit mass ankles.
Highlights
The ankle joint complex bears a force of approximately five times body weight during stance in normal walking, and up to thirteen times body weight during activities such as running[1]
For the design of many products and the purpose of obtaining the parameters matching with human body, images technology is used to obtain the data of the relevant parts in human body
Various kinds of images technology are widely used in different research fields. 3D internal images of a patient body, X-rays, computed-tomography, (CT) scanners, Ultrasound and Magnetic resonance imaging (MRI) are commonly used to measure body shape and size[3]
Summary
The ankle joint complex bears a force of approximately five times body weight during stance in normal walking, and up to thirteen times body weight during activities such as running[1]. Ankle ligament injury is occurred frequently[2] It is very important for the design of ankle related products to be of protectiveness and comfort. For the design of many products and the purpose of obtaining the parameters matching with human body, images technology is used to obtain the data of the relevant parts in human body. Ji et al.[8] obtained the data of concha cavity by 3D scanning technology, and classified the shapes of concha cavity, which was used in the earphone modeling design. The relevant products with both important protective effect on ankle and comfort, such as ankle brace, ankle boot, short boot, and long boot, which involve the shape and size of the ankle when they are designed. 3D scanning data is used to obtain the characteristic points and distances of ankle. The rigid brace design will be taken as an example to fit mass ankles
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
