Effect of Whole-Body Vibration Training on Muscle Activation for Individuals with Knee Osteoarthritis
Whole-body vibration (WBV) training may improve the strength of lower extremity muscles in patients with knee osteoarthritis (KOA), but the inconsistency in vibration parameters leads to differences in findings. This cross-sectional study is aimed at observing the effects of different vibration freq...
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| description | Whole-body vibration (WBV) training may improve the strength of lower extremity muscles in patients with knee osteoarthritis (KOA), but the inconsistency in vibration parameters leads to differences in findings. This cross-sectional study is aimed at observing the effects of different vibration frequencies and knee flexion angles on the activation of lower extremity muscles in patients with KOA. Enrolled participants received WBV training at 0, 30, and 60° knee flexion angles with vibration frequencies of 0, 5, 10, and 20 Hz. Activation rates for vastus medialis, vastus lateralis, rectus femoris, biceps femoris, and semitendinosus in different combinations were collected through surface electromyography. The effects of frequency and angle on muscle activation rate were quantified by repeated measures ANOVA. Individual and synergistic effects of frequency and angle were also analysed. Twenty-six participants with KOA were included. Muscle activation increased with the vibration frequency in 0–20 Hz range and with knee flexion angle in 0–60° range. WBV training at 20 Hz was the most effective for knee muscle activation, and static squatting at 60° was the most suitable for WBV training. Therefore, WBV training can increase the activation rate of knee flexor and extensor muscles in patients with KOA, and the most efficient combination was 20 Hz vibration frequency and 60° knee flexion. When applying WBV to patients with KOA, individual differences and rehabilitation purposes should be considered in selecting vibration parameters and knee angle to effectively increase neuromuscular activity. |
| doi_str_mv | 10.1155/2021/6671390 |
| format | Article |
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This cross-sectional study is aimed at observing the effects of different vibration frequencies and knee flexion angles on the activation of lower extremity muscles in patients with KOA. Enrolled participants received WBV training at 0, 30, and 60° knee flexion angles with vibration frequencies of 0, 5, 10, and 20 Hz. Activation rates for vastus medialis, vastus lateralis, rectus femoris, biceps femoris, and semitendinosus in different combinations were collected through surface electromyography. The effects of frequency and angle on muscle activation rate were quantified by repeated measures ANOVA. Individual and synergistic effects of frequency and angle were also analysed. Twenty-six participants with KOA were included. Muscle activation increased with the vibration frequency in 0–20 Hz range and with knee flexion angle in 0–60° range. WBV training at 20 Hz was the most effective for knee muscle activation, and static squatting at 60° was the most suitable for WBV training. Therefore, WBV training can increase the activation rate of knee flexor and extensor muscles in patients with KOA, and the most efficient combination was 20 Hz vibration frequency and 60° knee flexion. When applying WBV to patients with KOA, individual differences and rehabilitation purposes should be considered in selecting vibration parameters and knee angle to effectively increase neuromuscular activity.</description><identifier>ISSN: 2314-6133</identifier><identifier>EISSN: 2314-6141</identifier><identifier>DOI: 10.1155/2021/6671390</identifier><identifier>PMID: 33855078</identifier><language>eng</language><publisher>United States: Hindawi</publisher><subject>Analysis ; Analysis of variance ; Arthritis ; Biomedical materials ; Biomedical research ; Care and treatment ; Electromyography ; Identification and classification ; Knee ; Methods ; Muscle contraction ; Muscle function ; Muscle strength ; Muscles ; Osteoarthritis ; Pain ; Parameters ; Physiological aspects ; Rehabilitation ; Software ; Strength training ; Strengthening exercises ; Synergistic effect ; Training ; Variance analysis ; Vibration ; Vibration tests</subject><ispartof>BioMed research international, 2021, Vol.2021 (1), p.6671390-6671390</ispartof><rights>Copyright © 2021 Juan Zhang et al.</rights><rights>COPYRIGHT 2021 John Wiley & Sons, Inc.</rights><rights>Copyright © 2021 Juan Zhang et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0</rights><rights>Copyright © 2021 Juan Zhang et al. 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c504t-7826a37a8c610d280252cc9f78933dd7b793d2569793be54e1b737baf8680d973</citedby><cites>FETCH-LOGICAL-c504t-7826a37a8c610d280252cc9f78933dd7b793d2569793be54e1b737baf8680d973</cites><orcidid>0000-0001-6500-174X ; 0000-0001-9303-5445 ; 0000-0002-3440-1326 ; 0000-0001-8919-7206 ; 0000-0003-3154-9568 ; 0000-0001-5577-5231</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8019384/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8019384/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,4010,27900,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33855078$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Lee, Du-Hyeong</contributor><creatorcontrib>Zhang, Juan</creatorcontrib><creatorcontrib>Wang, Rui</creatorcontrib><creatorcontrib>Zheng, Yili</creatorcontrib><creatorcontrib>Xu, Jiao</creatorcontrib><creatorcontrib>Wu, Ya</creatorcontrib><creatorcontrib>Wang, Xueqiang</creatorcontrib><title>Effect of Whole-Body Vibration Training on Muscle Activation for Individuals with Knee Osteoarthritis</title><title>BioMed research international</title><addtitle>Biomed Res Int</addtitle><description>Whole-body vibration (WBV) training may improve the strength of lower extremity muscles in patients with knee osteoarthritis (KOA), but the inconsistency in vibration parameters leads to differences in findings. This cross-sectional study is aimed at observing the effects of different vibration frequencies and knee flexion angles on the activation of lower extremity muscles in patients with KOA. Enrolled participants received WBV training at 0, 30, and 60° knee flexion angles with vibration frequencies of 0, 5, 10, and 20 Hz. Activation rates for vastus medialis, vastus lateralis, rectus femoris, biceps femoris, and semitendinosus in different combinations were collected through surface electromyography. The effects of frequency and angle on muscle activation rate were quantified by repeated measures ANOVA. Individual and synergistic effects of frequency and angle were also analysed. Twenty-six participants with KOA were included. Muscle activation increased with the vibration frequency in 0–20 Hz range and with knee flexion angle in 0–60° range. WBV training at 20 Hz was the most effective for knee muscle activation, and static squatting at 60° was the most suitable for WBV training. Therefore, WBV training can increase the activation rate of knee flexor and extensor muscles in patients with KOA, and the most efficient combination was 20 Hz vibration frequency and 60° knee flexion. When applying WBV to patients with KOA, individual differences and rehabilitation purposes should be considered in selecting vibration parameters and knee angle to effectively increase neuromuscular activity.</description><subject>Analysis</subject><subject>Analysis of variance</subject><subject>Arthritis</subject><subject>Biomedical materials</subject><subject>Biomedical research</subject><subject>Care and treatment</subject><subject>Electromyography</subject><subject>Identification and classification</subject><subject>Knee</subject><subject>Methods</subject><subject>Muscle contraction</subject><subject>Muscle function</subject><subject>Muscle strength</subject><subject>Muscles</subject><subject>Osteoarthritis</subject><subject>Pain</subject><subject>Parameters</subject><subject>Physiological aspects</subject><subject>Rehabilitation</subject><subject>Software</subject><subject>Strength training</subject><subject>Strengthening exercises</subject><subject>Synergistic 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of Whole-Body Vibration Training on Muscle Activation for Individuals with Knee Osteoarthritis</title><author>Zhang, Juan ; Wang, Rui ; Zheng, Yili ; Xu, Jiao ; Wu, Ya ; Wang, Xueqiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c504t-7826a37a8c610d280252cc9f78933dd7b793d2569793be54e1b737baf8680d973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Analysis</topic><topic>Analysis of variance</topic><topic>Arthritis</topic><topic>Biomedical materials</topic><topic>Biomedical research</topic><topic>Care and treatment</topic><topic>Electromyography</topic><topic>Identification and classification</topic><topic>Knee</topic><topic>Methods</topic><topic>Muscle contraction</topic><topic>Muscle function</topic><topic>Muscle strength</topic><topic>Muscles</topic><topic>Osteoarthritis</topic><topic>Pain</topic><topic>Parameters</topic><topic>Physiological aspects</topic><topic>Rehabilitation</topic><topic>Software</topic><topic>Strength training</topic><topic>Strengthening exercises</topic><topic>Synergistic effect</topic><topic>Training</topic><topic>Variance analysis</topic><topic>Vibration</topic><topic>Vibration tests</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Juan</creatorcontrib><creatorcontrib>Wang, Rui</creatorcontrib><creatorcontrib>Zheng, Yili</creatorcontrib><creatorcontrib>Xu, Jiao</creatorcontrib><creatorcontrib>Wu, Ya</creatorcontrib><creatorcontrib>Wang, Xueqiang</creatorcontrib><collection>Hindawi Publishing Complete</collection><collection>Hindawi Publishing Subscription Journals</collection><collection>Hindawi Publishing Open Access</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research 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improve the strength of lower extremity muscles in patients with knee osteoarthritis (KOA), but the inconsistency in vibration parameters leads to differences in findings. This cross-sectional study is aimed at observing the effects of different vibration frequencies and knee flexion angles on the activation of lower extremity muscles in patients with KOA. Enrolled participants received WBV training at 0, 30, and 60° knee flexion angles with vibration frequencies of 0, 5, 10, and 20 Hz. Activation rates for vastus medialis, vastus lateralis, rectus femoris, biceps femoris, and semitendinosus in different combinations were collected through surface electromyography. The effects of frequency and angle on muscle activation rate were quantified by repeated measures ANOVA. Individual and synergistic effects of frequency and angle were also analysed. Twenty-six participants with KOA were included. Muscle activation increased with the vibration frequency in 0–20 Hz range and with knee flexion angle in 0–60° range. WBV training at 20 Hz was the most effective for knee muscle activation, and static squatting at 60° was the most suitable for WBV training. Therefore, WBV training can increase the activation rate of knee flexor and extensor muscles in patients with KOA, and the most efficient combination was 20 Hz vibration frequency and 60° knee flexion. When applying WBV to patients with KOA, individual differences and rehabilitation purposes should be considered in selecting vibration parameters and knee angle to effectively increase neuromuscular activity.</abstract><cop>United States</cop><pub>Hindawi</pub><pmid>33855078</pmid><doi>10.1155/2021/6671390</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-6500-174X</orcidid><orcidid>https://orcid.org/0000-0001-9303-5445</orcidid><orcidid>https://orcid.org/0000-0002-3440-1326</orcidid><orcidid>https://orcid.org/0000-0001-8919-7206</orcidid><orcidid>https://orcid.org/0000-0003-3154-9568</orcidid><orcidid>https://orcid.org/0000-0001-5577-5231</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Analysis Analysis of variance Arthritis Biomedical materials Biomedical research Care and treatment Electromyography Identification and classification Knee Methods Muscle contraction Muscle function Muscle strength Muscles Osteoarthritis Pain Parameters Physiological aspects Rehabilitation Software Strength training Strengthening exercises Synergistic effect Training Variance analysis Vibration Vibration tests |
| title | Effect of Whole-Body Vibration Training on Muscle Activation for Individuals with Knee Osteoarthritis |
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