Evidence map›Paper›PMID 38888308›Full record

ArticleJournal of the Chinese Medical Association : JCMA2024

Biomechanical evaluation of 3D-printed joint-type orthosis for hallux valgus.

Chen-Sheng Chen, Yu-Sheng Chang, Kuang-Wei Lin, Mu-Jung Chien, Chien-Shun Wang

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Article in Journal of the Chinese Medical Association : JCMA, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Chen-Sheng ChenDepartment of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.
Yu-Sheng ChangDepartment of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.
Kuang-Wei LinDepartment of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.
Mu-Jung ChienDepartment of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.
Chien-Shun WangDepartment of Orthopedics and Traumatology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOrthoses play an important role in the conservative treatment of hallux valgus (HV) with different therapeutic effects. In this study, a new HV orthosis was developed using three-dimensional (3D) printing technology. In addition, its kinematic effect was evaluated using motion analysis.

methodsSeventeen participants with an HV angle of >20° were included in the study. The first metatarsophalangeal abduction angle before and after the orthosis was measured statically. Subsequently, dynamic first metatarsophalangeal abduction, dorsiflexion angle and ground reaction force with and without the orthosis were recorded and calculated during walking using a Vicon motion analysis system and force plates. The patients' comfort scales were determined after the motion analysis.

resultsThe angular corrections of the orthosis in the first metatarsophalangeal abduction were 14.6° and 6.3° under static and dynamic conditions, respectively. Reduced hallux dorsiflexion was observed with the orthosis in the early stance phase. However, no significant changes in ground reaction forces were observed.

conclusionThe results of our study confirm the potential of the 3D-printed HV orthosis in the static and dynamic correction of deformities while ensuring patient comfort with minimal impact on hallux kinematics, suggesting the potential of our design for long-term use.

Indexed as

Hallux ValgusPrinting, Three-DimensionalAdultAgedBiomechanical PhenomenaFemaleFoot OrthosesHumansMaleMiddle AgedOrthotic Devices

Identifiers

PMID38888308
PMCPMC13610225

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