Effect of strain rates on the mechanical response of whole muscle bundle

IF 1.8 4区生物学 Q3 BIOPHYSICS Journal of Biological Physics Pub Date : 2023-04-03 DOI:10.1007/s10867-023-09630-6

Dat Trong Tran, Liren Tsai

{"title":"Effect of strain rates on the mechanical response of whole muscle bundle","authors":"Dat Trong Tran, Liren Tsai","doi":"10.1007/s10867-023-09630-6","DOIUrl":null,"url":null,"abstract":"<div><h2>Abstract\n</h2><div><p>Muscle injuries frequently happen during sports activities and exercise, which could have serious consequences if not diagnosed and treated promptly. This research aims to investigate the quasi-static and dynamic responses of over 30 fresh frog semitendinosus muscles utilizing Split Hopkinson Pressure Bars (SHPB) and a material testing system under strain rates between 0.001 ~ 200 s<sup>−1</sup>. To accommodate the special shape of muscle–tendon-bone samples, PLA clampers were produced by the 3D printer to properly hold and prevent slipping during the testing process. The mechanical characteristics of the whole muscle bundle, including Young’s modulus and stress–strain curve, are illustrated at various strain rates. The findings showed that the muscle properties were sensitive to strain rate when under passive deformation. Both maximum stress and Young’s modulus increased with the rise of strain rate, and modulus at 200 s<sup>−1</sup> can be as high as 10 times compared with quasi-static conditions.\n</p></div></div>","PeriodicalId":612,"journal":{"name":"Journal of Biological Physics","volume":null,"pages":null},"PeriodicalIF":1.8000,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10867-023-09630-6.pdf","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Biological Physics","FirstCategoryId":"99","ListUrlMain":"https://link.springer.com/article/10.1007/s10867-023-09630-6","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"BIOPHYSICS","Score":null,"Total":0}

引用次数: 1

Abstract

Muscle injuries frequently happen during sports activities and exercise, which could have serious consequences if not diagnosed and treated promptly. This research aims to investigate the quasi-static and dynamic responses of over 30 fresh frog semitendinosus muscles utilizing Split Hopkinson Pressure Bars (SHPB) and a material testing system under strain rates between 0.001 ~ 200 s⁻¹. To accommodate the special shape of muscle–tendon-bone samples, PLA clampers were produced by the 3D printer to properly hold and prevent slipping during the testing process. The mechanical characteristics of the whole muscle bundle, including Young’s modulus and stress–strain curve, are illustrated at various strain rates. The findings showed that the muscle properties were sensitive to strain rate when under passive deformation. Both maximum stress and Young’s modulus increased with the rise of strain rate, and modulus at 200 s⁻¹ can be as high as 10 times compared with quasi-static conditions.

Abstract Image

查看原文

微信好友朋友圈 QQ好友复制链接

本刊更多论文

应变速率对全肌束力学响应的影响

摘要在体育活动和运动中经常发生肌肉损伤，如果不及时诊断和治疗，可能会造成严重后果。本研究利用分离式霍普金森压力杆(Split Hopkinson Pressure Bars, SHPB)和材料测试系统，研究了在应变速率为0.001 ~ 200 s−1的情况下，30余块新鲜蛙半腱肌的准静态和动态响应。为了适应肌肉-肌腱-骨样品的特殊形状，3D打印机制作了PLA夹钳，以在测试过程中正确夹住并防止滑动。整个肌肉束的力学特性，包括杨氏模量和应力应变曲线，说明了在不同应变率。结果表明:被动变形时，肌肉性能对应变速率敏感;最大应力和杨氏模量均随应变速率的升高而增大，200 s−1时的模量可达准静态条件下的10倍。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文去求助

来源期刊

Journal of Biological Physics 生物-生物物理

CiteScore

3.00

自引率

5.60%

发文量

审稿时长

>12 weeks

期刊介绍： Many physicists are turning their attention to domains that were not traditionally part of physics and are applying the sophisticated tools of theoretical, computational and experimental physics to investigate biological processes, systems and materials. The Journal of Biological Physics provides a medium where this growing community of scientists can publish its results and discuss its aims and methods. It welcomes papers which use the tools of physics in an innovative way to study biological problems, as well as research aimed at providing a better understanding of the physical principles underlying biological processes.