The Responses of Continuous Knee Passive Stiffness Following Fatigue
Purpose The purpose of this study was to investigate continuous knee passive stiffness and its fatigue responses. Knee osteoarthritis is a clinically degenerative disease that mostly cause sustained stiff knee, hence, there is an urgent need to evaluate continuous knee passive stiffness, which corre...
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| Veröffentlicht in: | Journal of medical and biological engineering 2023-10, Vol.43 (5), p.596-602 |
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| creator | Kong, Xiangfei Lian, Zizhan Yan, Yichen Yao, Jie Fan, Yubo |
| description | Purpose
The purpose of this study was to investigate continuous knee passive stiffness and its fatigue responses. Knee osteoarthritis is a clinically degenerative disease that mostly cause sustained stiff knee, hence, there is an urgent need to evaluate continuous knee passive stiffness, which corresponded to the stiffness of various angles during actual continuous knee rotation. However, how to measure this kind of stiffness is yet to reach an agreement.
Methods
This is a study incorporating 36 individuals, in which the fatigue protocol consisted of three bouts of multiple quadriceps voluntary isometric contractions of their dominant legs. Angle and passive torque were measured before and after each fatigue intervention cycle. Continuous knee passive stiffness of various angles and rate of stiffness under fatigue were both calculated.
Results
We derived the continuous knee passive stiffness data appeared as an asymmetric U-shaped curve. The passive stiffness (Nm/°) of the initial angle (0°) is 0.249 (0.159–0.285), while that of the other endpoint angle (91°) is 0.156 (0.130–0.354). The responses of continuous knee passive stiffness following fatigue interventions revealed a significant decrease in the knee angle from 10 to 36° (
p
= 0.02–0.05).
Conclusion
This renew study experimentally develop a novel approach to expand upon the existing methods of knee passive stiffness measurements. The intrinsic continuous knee passive stiffness and its fatigue responses both vary at specific knee angles. Our findings may provide stiffness assessment for knee osteoarthritis patients, complete fatigue intervention program, and optimize the artificial prosthesis design. |
| doi_str_mv | 10.1007/s40846-023-00809-9 |
| format | Article |
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The purpose of this study was to investigate continuous knee passive stiffness and its fatigue responses. Knee osteoarthritis is a clinically degenerative disease that mostly cause sustained stiff knee, hence, there is an urgent need to evaluate continuous knee passive stiffness, which corresponded to the stiffness of various angles during actual continuous knee rotation. However, how to measure this kind of stiffness is yet to reach an agreement.
Methods
This is a study incorporating 36 individuals, in which the fatigue protocol consisted of three bouts of multiple quadriceps voluntary isometric contractions of their dominant legs. Angle and passive torque were measured before and after each fatigue intervention cycle. Continuous knee passive stiffness of various angles and rate of stiffness under fatigue were both calculated.
Results
We derived the continuous knee passive stiffness data appeared as an asymmetric U-shaped curve. The passive stiffness (Nm/°) of the initial angle (0°) is 0.249 (0.159–0.285), while that of the other endpoint angle (91°) is 0.156 (0.130–0.354). The responses of continuous knee passive stiffness following fatigue interventions revealed a significant decrease in the knee angle from 10 to 36° (
p
= 0.02–0.05).
Conclusion
This renew study experimentally develop a novel approach to expand upon the existing methods of knee passive stiffness measurements. The intrinsic continuous knee passive stiffness and its fatigue responses both vary at specific knee angles. Our findings may provide stiffness assessment for knee osteoarthritis patients, complete fatigue intervention program, and optimize the artificial prosthesis design.</description><identifier>ISSN: 1609-0985</identifier><identifier>EISSN: 2199-4757</identifier><identifier>DOI: 10.1007/s40846-023-00809-9</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Arthritis ; Biological Techniques ; Biomedical and Life Sciences ; Biomedical Engineering and Bioengineering ; Biomedical Engineering/Biotechnology ; Biomedicine ; Design optimization ; Fatigue ; Isometric ; Knee ; Original Article ; Osteoarthritis ; Prostheses ; Quadriceps muscle ; Regenerative Medicine/Tissue Engineering ; Stiffness</subject><ispartof>Journal of medical and biological engineering, 2023-10, Vol.43 (5), p.596-602</ispartof><rights>Taiwanese Society of Biomedical Engineering 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-8fa1ae7bf61505b0cc077ed85dbe2648a395b9017e7f08a90b11354abb686cc03</cites><orcidid>0000-0003-0044-7307</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s40846-023-00809-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s40846-023-00809-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Kong, Xiangfei</creatorcontrib><creatorcontrib>Lian, Zizhan</creatorcontrib><creatorcontrib>Yan, Yichen</creatorcontrib><creatorcontrib>Yao, Jie</creatorcontrib><creatorcontrib>Fan, Yubo</creatorcontrib><title>The Responses of Continuous Knee Passive Stiffness Following Fatigue</title><title>Journal of medical and biological engineering</title><addtitle>J. Med. Biol. Eng</addtitle><description>Purpose
The purpose of this study was to investigate continuous knee passive stiffness and its fatigue responses. Knee osteoarthritis is a clinically degenerative disease that mostly cause sustained stiff knee, hence, there is an urgent need to evaluate continuous knee passive stiffness, which corresponded to the stiffness of various angles during actual continuous knee rotation. However, how to measure this kind of stiffness is yet to reach an agreement.
Methods
This is a study incorporating 36 individuals, in which the fatigue protocol consisted of three bouts of multiple quadriceps voluntary isometric contractions of their dominant legs. Angle and passive torque were measured before and after each fatigue intervention cycle. Continuous knee passive stiffness of various angles and rate of stiffness under fatigue were both calculated.
Results
We derived the continuous knee passive stiffness data appeared as an asymmetric U-shaped curve. The passive stiffness (Nm/°) of the initial angle (0°) is 0.249 (0.159–0.285), while that of the other endpoint angle (91°) is 0.156 (0.130–0.354). The responses of continuous knee passive stiffness following fatigue interventions revealed a significant decrease in the knee angle from 10 to 36° (
p
= 0.02–0.05).
Conclusion
This renew study experimentally develop a novel approach to expand upon the existing methods of knee passive stiffness measurements. The intrinsic continuous knee passive stiffness and its fatigue responses both vary at specific knee angles. Our findings may provide stiffness assessment for knee osteoarthritis patients, complete fatigue intervention program, and optimize the artificial prosthesis design.</description><subject>Arthritis</subject><subject>Biological Techniques</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedical Engineering and Bioengineering</subject><subject>Biomedical Engineering/Biotechnology</subject><subject>Biomedicine</subject><subject>Design optimization</subject><subject>Fatigue</subject><subject>Isometric</subject><subject>Knee</subject><subject>Original Article</subject><subject>Osteoarthritis</subject><subject>Prostheses</subject><subject>Quadriceps muscle</subject><subject>Regenerative Medicine/Tissue Engineering</subject><subject>Stiffness</subject><issn>1609-0985</issn><issn>2199-4757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhhdRsGj_gKcFz9HZTbIfR6lWxYKi9bxs0tmaUndrJlH890YjeHMuA8PzvgMPYycCzgSAPqcCTKEykHkGYMBmdo9NpLA2K3Sp99lEqOEI1pSHbEq0gWFyq5QwE3a5fEH-iLRLkZB4CnyWYtfEPvXE7yIif_BEzTvyp64JISIRn6ftNn00cc3nvmvWPR6zg-C3hNPffcSe51fL2U22uL--nV0sslpq6DITvPCoq6BECWUFdQ1a48qUqwqlKozPbVlZEBp1AOMtVELkZeGrShk1wPkROx17d21665E6t0l9G4eXThpTSKmt0QMlR6puE1GLwe3a5tW3n06A-xbmRmFuEOZ-hDk7hPIxRAMc19j-Vf-T-gLu5G1W</recordid><startdate>20231001</startdate><enddate>20231001</enddate><creator>Kong, Xiangfei</creator><creator>Lian, Zizhan</creator><creator>Yan, Yichen</creator><creator>Yao, Jie</creator><creator>Fan, Yubo</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope><orcidid>https://orcid.org/0000-0003-0044-7307</orcidid></search><sort><creationdate>20231001</creationdate><title>The Responses of Continuous Knee Passive Stiffness Following Fatigue</title><author>Kong, Xiangfei ; Lian, Zizhan ; Yan, Yichen ; Yao, Jie ; Fan, Yubo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-8fa1ae7bf61505b0cc077ed85dbe2648a395b9017e7f08a90b11354abb686cc03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Arthritis</topic><topic>Biological Techniques</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedical Engineering and Bioengineering</topic><topic>Biomedical Engineering/Biotechnology</topic><topic>Biomedicine</topic><topic>Design optimization</topic><topic>Fatigue</topic><topic>Isometric</topic><topic>Knee</topic><topic>Original Article</topic><topic>Osteoarthritis</topic><topic>Prostheses</topic><topic>Quadriceps muscle</topic><topic>Regenerative Medicine/Tissue Engineering</topic><topic>Stiffness</topic><toplevel>online_resources</toplevel><creatorcontrib>Kong, Xiangfei</creatorcontrib><creatorcontrib>Lian, Zizhan</creatorcontrib><creatorcontrib>Yan, Yichen</creatorcontrib><creatorcontrib>Yao, Jie</creatorcontrib><creatorcontrib>Fan, Yubo</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><jtitle>Journal of medical and biological engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kong, Xiangfei</au><au>Lian, Zizhan</au><au>Yan, Yichen</au><au>Yao, Jie</au><au>Fan, Yubo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Responses of Continuous Knee Passive Stiffness Following Fatigue</atitle><jtitle>Journal of medical and biological engineering</jtitle><stitle>J. Med. Biol. Eng</stitle><date>2023-10-01</date><risdate>2023</risdate><volume>43</volume><issue>5</issue><spage>596</spage><epage>602</epage><pages>596-602</pages><issn>1609-0985</issn><eissn>2199-4757</eissn><abstract>Purpose
The purpose of this study was to investigate continuous knee passive stiffness and its fatigue responses. Knee osteoarthritis is a clinically degenerative disease that mostly cause sustained stiff knee, hence, there is an urgent need to evaluate continuous knee passive stiffness, which corresponded to the stiffness of various angles during actual continuous knee rotation. However, how to measure this kind of stiffness is yet to reach an agreement.
Methods
This is a study incorporating 36 individuals, in which the fatigue protocol consisted of three bouts of multiple quadriceps voluntary isometric contractions of their dominant legs. Angle and passive torque were measured before and after each fatigue intervention cycle. Continuous knee passive stiffness of various angles and rate of stiffness under fatigue were both calculated.
Results
We derived the continuous knee passive stiffness data appeared as an asymmetric U-shaped curve. The passive stiffness (Nm/°) of the initial angle (0°) is 0.249 (0.159–0.285), while that of the other endpoint angle (91°) is 0.156 (0.130–0.354). The responses of continuous knee passive stiffness following fatigue interventions revealed a significant decrease in the knee angle from 10 to 36° (
p
= 0.02–0.05).
Conclusion
This renew study experimentally develop a novel approach to expand upon the existing methods of knee passive stiffness measurements. The intrinsic continuous knee passive stiffness and its fatigue responses both vary at specific knee angles. Our findings may provide stiffness assessment for knee osteoarthritis patients, complete fatigue intervention program, and optimize the artificial prosthesis design.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s40846-023-00809-9</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-0044-7307</orcidid></addata></record> |
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| subjects | Arthritis Biological Techniques Biomedical and Life Sciences Biomedical Engineering and Bioengineering Biomedical Engineering/Biotechnology Biomedicine Design optimization Fatigue Isometric Knee Original Article Osteoarthritis Prostheses Quadriceps muscle Regenerative Medicine/Tissue Engineering Stiffness |
| title | The Responses of Continuous Knee Passive Stiffness Following Fatigue |
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