Spiky-joint: a bioinspired solution to combine mobility and support

Journal article


Ali Khaheshi, Stanislav N. Gorb and Rajabi Jorshari, H. (2021). Spiky-joint: a bioinspired solution to combine mobility and support. Applied Physics A. 127 (181). https://doi.org/10.1007/s00339-021-04310-5
AuthorsAli Khaheshi, Stanislav N. Gorb and Rajabi Jorshari, H.
Abstract

Mobility and support are two structural properties that are often mutually exclusive. However, combining them could enhance the performance of mechanical components, and offer novel technical applications. Here through the implementation of a bioinspired interlocking mechanism in the design of a supportive, yet mobile, wrist splint, we tackled the conflicting combination of the two properties. We elaborated our design into a technology readiness level and, using 3D printing, directly converted it into a real-life application. In contrast to the existing splints, our bioinspired splint supports human wrist without impairing its movements. Hence, it can be used to prevent hyperextension injuries without hindering wrist function. By being interlocked at the maximum wrist extension, our splint could be an ideal wrist support for athletes, especially weightlifters. By restricting the wrist mobility, it could also be used as a support device to treat less severe medical issues, such as sprain, strain, or even for the recovery after cast removal, during which full immobilization may result in muscle atrophy. Our design strategy is purely structural; hence, it can be easily modified and implemented in other engineering applications. The simple, yet efficient, solution developed in this study offers a universal paradigm for developing engineering systems that pursuit both mobility and support.

Year2021
JournalApplied Physics A
Journal citation127 (181)
PublisherSpringer
ISSN1432-0630
Digital Object Identifier (DOI)https://doi.org/10.1007/s00339-021-04310-5
Web address (URL)https://doi.org/10.1007/s00339-021-04310-5
Publication dates
Online11 Feb 2021
Publication process dates
Accepted15 Jan 2021
Deposited28 Jul 2022
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File Access Level
Open
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