Evidence map›Paper›PMID 41792175›Full record

ArticleScientific reports2026

Damping behavior of adaptable shoe under torsional loading at varying angular velocities: replicating the effects on cutting maneuvers.

Md Samsul Arefin, Chien-Ju Lin, Hsiao-Feng Chieh, Kai-Nan An, Ying-Chun Huang, Fong-Chin Su

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Article in Scientific reports, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Md Samsul ArefinDepartment of Biomedical Engineering, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan.
Chien-Ju LinDepartment of Biomedical Engineering, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan.
Hsiao-Feng ChiehDepartment of Biomedical Engineering, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan.
Kai-Nan AnDivision of Orthopedic Research, Mayo Clinic College of Medicine, Rochester, MN, 55905, USA.
Ying-Chun HuangHomax Inc., Nantou City, Nantou, 54066, Taiwan.
Fong-Chin SuDepartment of Biomedical Engineering, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan. fcsu@mail.ncku.edu.tw.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Damping is a vital mechanical feature for a dynamic system like shoe that is a specialized sports equipment designed to protect and enhance human movement performance. This study aimed to investigate the damping characteristics of adaptable shoe configurations to simulate the real-world cutting effects. To achieve this, repetitive cyclic torsional loading tests were conducted at different angular velocities (25°/s, 50°/s, 75°/s, 100°/s, 125°/s, and 150°/s) with a torsion angle range of 0–30°. Experimental conditions were: (a) control shoe (CS), which are adaptable air cushion shoe, (b) midpart adapted shoe (MAS), and (c) forepart adapted shoe (FAS), both altered in sole construction with adjustable elastomeric spacers. A torsion testing machine with a specially designed fixture system held the test shoes. Then, the shoes underwent repetitive torsional loading and unloading with angular displacements from 0° to 30° to simulate inversion motion. Results revealed an inverse correlation between damping coefficient (DCoeff) and angular velocities. Notably, at the highest angular velocity 150⁰/s, all shoe conditions demonstrated the lowest DCoeff, indicating that shoes retained most of their energy during twisting motion, resulting in relatively low energy dissipation. This might result in higher twisting forces on foot-shoe system and ankle, might impact on ankle stability. Similarly, low mechanical damping at higher velocity in the shoe forepart may reduce energy dissipation. This could exert greater force on the metatarsophalangeal (MTP) joint of the forefoot, potentially compromising its stability. Study findings may provide preliminary insights into the damping behavior of shoes at increasing angular velocities to assist in the development of athletic footwear for sports performance, and further studies are needed optimized damping.

Indexed as

Adaptable shoe constructionsCyclic torsional loadingDamping coefficientReplicating cutting maneuversVariable angular speeds

Identifiers

PMID41792175
PMCPMC13083974

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.