Comparison of viscoelastic characteristics in triceps surae between Black and White athletes
ABSTRACT The purpose of the present study was to investigate race differences in viscoelastic characteristics of triceps surae muscle group. Black and white college sprint type athletes (n=44) participated in this study. Viscoelastic properties were assessed using the free vibration technique: subje...
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| Veröffentlicht in: | Acta physiologica Scandinavica 2002-07, Vol.175 (3), p.183-187 |
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| creator | FUKASHIRO, S. ABE, T. SHIBAYAMA, A. BRECHUE, W. F. |
| description | ABSTRACT
The purpose of the present study was to investigate race differences in viscoelastic characteristics of triceps surae muscle group. Black and white college sprint type athletes (n=44) participated in this study. Viscoelastic properties were assessed using the free vibration technique: subjects sat with their forefeet on the edge of a force‐plate (Kistler, Switzerland) and support a frame loaded with weights (0–40 kg) on the knees. Oscillations of the triceps surae and Achilles tendon system were initiated with a hand‐held hammer by tapping the weight load. Oscillations occur at frequencies of 3–6 Hz and were slightly damped. The damped oscillations in conjunction with the equation of motion of a damped mass‐spring model were used to calculate the viscosity of muscle (b), and the elasticity of muscle fibres (kd) and tendon (kt) in each subject. There were little significant differences in most of physical characteristic variables between black and white athletes. Black athletes have significantly greater muscle viscosity and elasticity than white athletes while tendon elasticity is equivalent. Thus, muscle stiffness is greater among black athletes. Greater muscle stiffness could contribute to greater sprint/jump performance among black athletes, compared with white athletes, through alteration of foot/ground contact and take‐off phases during sprinting/jumping. |
| doi_str_mv | 10.1046/j.1365-201X.2002.00985.x |
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The purpose of the present study was to investigate race differences in viscoelastic characteristics of triceps surae muscle group. Black and white college sprint type athletes (n=44) participated in this study. Viscoelastic properties were assessed using the free vibration technique: subjects sat with their forefeet on the edge of a force‐plate (Kistler, Switzerland) and support a frame loaded with weights (0–40 kg) on the knees. Oscillations of the triceps surae and Achilles tendon system were initiated with a hand‐held hammer by tapping the weight load. Oscillations occur at frequencies of 3–6 Hz and were slightly damped. The damped oscillations in conjunction with the equation of motion of a damped mass‐spring model were used to calculate the viscosity of muscle (b), and the elasticity of muscle fibres (kd) and tendon (kt) in each subject. There were little significant differences in most of physical characteristic variables between black and white athletes. Black athletes have significantly greater muscle viscosity and elasticity than white athletes while tendon elasticity is equivalent. Thus, muscle stiffness is greater among black athletes. Greater muscle stiffness could contribute to greater sprint/jump performance among black athletes, compared with white athletes, through alteration of foot/ground contact and take‐off phases during sprinting/jumping.</description><identifier>ISSN: 0001-6772</identifier><identifier>EISSN: 1365-201X</identifier><identifier>DOI: 10.1046/j.1365-201X.2002.00985.x</identifier><identifier>PMID: 12100357</identifier><identifier>CODEN: APSCAX</identifier><language>eng</language><publisher>Oxford UK: Blackwell Science Ltd</publisher><subject>Achilles Tendon - physiology ; Adult ; African Continental Ancestry Group ; Ankle - physiology ; Anthropometry ; Biological and medical sciences ; Elasticity ; European Continental Ancestry Group ; Female ; free vibration technique ; Fundamental and applied biological sciences. Psychology ; Humans ; Male ; Muscle, Skeletal - physiology ; muscle-tendon complex ; Oscillometry - methods ; race difference ; Reference Values ; Sex Factors ; Sports - physiology ; Striated muscle. Tendons ; Vertebrates: osteoarticular system, musculoskeletal system ; Vibration ; visco-elasticity ; Viscosity</subject><ispartof>Acta physiologica Scandinavica, 2002-07, Vol.175 (3), p.183-187</ispartof><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4995-b055006b704d844a803794598e56f1ed9c4d47637c4c463c7836460fca2ed67c3</citedby><cites>FETCH-LOGICAL-c4995-b055006b704d844a803794598e56f1ed9c4d47637c4c463c7836460fca2ed67c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1046%2Fj.1365-201X.2002.00985.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1046%2Fj.1365-201X.2002.00985.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13775686$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12100357$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>FUKASHIRO, S.</creatorcontrib><creatorcontrib>ABE, T.</creatorcontrib><creatorcontrib>SHIBAYAMA, A.</creatorcontrib><creatorcontrib>BRECHUE, W. F.</creatorcontrib><title>Comparison of viscoelastic characteristics in triceps surae between Black and White athletes</title><title>Acta physiologica Scandinavica</title><addtitle>Acta Physiol Scand</addtitle><description>ABSTRACT
The purpose of the present study was to investigate race differences in viscoelastic characteristics of triceps surae muscle group. Black and white college sprint type athletes (n=44) participated in this study. Viscoelastic properties were assessed using the free vibration technique: subjects sat with their forefeet on the edge of a force‐plate (Kistler, Switzerland) and support a frame loaded with weights (0–40 kg) on the knees. Oscillations of the triceps surae and Achilles tendon system were initiated with a hand‐held hammer by tapping the weight load. Oscillations occur at frequencies of 3–6 Hz and were slightly damped. The damped oscillations in conjunction with the equation of motion of a damped mass‐spring model were used to calculate the viscosity of muscle (b), and the elasticity of muscle fibres (kd) and tendon (kt) in each subject. There were little significant differences in most of physical characteristic variables between black and white athletes. Black athletes have significantly greater muscle viscosity and elasticity than white athletes while tendon elasticity is equivalent. Thus, muscle stiffness is greater among black athletes. Greater muscle stiffness could contribute to greater sprint/jump performance among black athletes, compared with white athletes, through alteration of foot/ground contact and take‐off phases during sprinting/jumping.</description><subject>Achilles Tendon - physiology</subject><subject>Adult</subject><subject>African Continental Ancestry Group</subject><subject>Ankle - physiology</subject><subject>Anthropometry</subject><subject>Biological and medical sciences</subject><subject>Elasticity</subject><subject>European Continental Ancestry Group</subject><subject>Female</subject><subject>free vibration technique</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Male</subject><subject>Muscle, Skeletal - physiology</subject><subject>muscle-tendon complex</subject><subject>Oscillometry - methods</subject><subject>race difference</subject><subject>Reference Values</subject><subject>Sex Factors</subject><subject>Sports - physiology</subject><subject>Striated muscle. Tendons</subject><subject>Vertebrates: osteoarticular system, musculoskeletal system</subject><subject>Vibration</subject><subject>visco-elasticity</subject><subject>Viscosity</subject><issn>0001-6772</issn><issn>1365-201X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1vEzEQhi0EomnhLyBf4LbLeP25Bw5poC1SVTgUNQcky_HOKk43u8He0PTf1yFRe-XkseZ5bc9jQiiDkoFQn1cl40oWFbB5WQFUJUBtZLl7RSbPjddkAgCsUFpXJ-Q0pVXeclNVb8kJq1iupZ6Q37NhvXExpKGnQ0v_huQH7Fwag6d-6aLzI-Zu3iYaejrG4HGTaNpGh3SB4wNiT8875--p6xt6twwjUjcuOxwxvSNvWtclfH9cz8ivi2-3s6vi-sfl99n0uvCirmWxACkB1EKDaIwQzgDXtZC1Qalahk3tRSO04toLLxT32nAlFLTeVdgo7fkZ-XQ4dxOHP1tMo13nObDrXI_DNlnNjFaaywyaA-jjkFLE1m5iWLv4aBnYvVm7snuBdi_Q7s3af2btLkc_HO_YLtbYvASPKjPw8Qi45F3XRtf7kF44rrVURmXuy4F7CB0-_vcD7PTn1TRXOV8c8vlXcPecd_He5hm1tHc3l3auLm5uxde5PedP-JWjsA</recordid><startdate>200207</startdate><enddate>200207</enddate><creator>FUKASHIRO, S.</creator><creator>ABE, T.</creator><creator>SHIBAYAMA, A.</creator><creator>BRECHUE, W. F.</creator><general>Blackwell Science Ltd</general><general>Blackwell Science</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>200207</creationdate><title>Comparison of viscoelastic characteristics in triceps surae between Black and White athletes</title><author>FUKASHIRO, S. ; ABE, T. ; SHIBAYAMA, A. ; BRECHUE, W. F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4995-b055006b704d844a803794598e56f1ed9c4d47637c4c463c7836460fca2ed67c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Achilles Tendon - physiology</topic><topic>Adult</topic><topic>African Continental Ancestry Group</topic><topic>Ankle - physiology</topic><topic>Anthropometry</topic><topic>Biological and medical sciences</topic><topic>Elasticity</topic><topic>European Continental Ancestry Group</topic><topic>Female</topic><topic>free vibration technique</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Male</topic><topic>Muscle, Skeletal - physiology</topic><topic>muscle-tendon complex</topic><topic>Oscillometry - methods</topic><topic>race difference</topic><topic>Reference Values</topic><topic>Sex Factors</topic><topic>Sports - physiology</topic><topic>Striated muscle. Tendons</topic><topic>Vertebrates: osteoarticular system, musculoskeletal system</topic><topic>Vibration</topic><topic>visco-elasticity</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>FUKASHIRO, S.</creatorcontrib><creatorcontrib>ABE, T.</creatorcontrib><creatorcontrib>SHIBAYAMA, A.</creatorcontrib><creatorcontrib>BRECHUE, W. F.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Acta physiologica Scandinavica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>FUKASHIRO, S.</au><au>ABE, T.</au><au>SHIBAYAMA, A.</au><au>BRECHUE, W. F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of viscoelastic characteristics in triceps surae between Black and White athletes</atitle><jtitle>Acta physiologica Scandinavica</jtitle><addtitle>Acta Physiol Scand</addtitle><date>2002-07</date><risdate>2002</risdate><volume>175</volume><issue>3</issue><spage>183</spage><epage>187</epage><pages>183-187</pages><issn>0001-6772</issn><eissn>1365-201X</eissn><coden>APSCAX</coden><abstract>ABSTRACT
The purpose of the present study was to investigate race differences in viscoelastic characteristics of triceps surae muscle group. Black and white college sprint type athletes (n=44) participated in this study. Viscoelastic properties were assessed using the free vibration technique: subjects sat with their forefeet on the edge of a force‐plate (Kistler, Switzerland) and support a frame loaded with weights (0–40 kg) on the knees. Oscillations of the triceps surae and Achilles tendon system were initiated with a hand‐held hammer by tapping the weight load. Oscillations occur at frequencies of 3–6 Hz and were slightly damped. The damped oscillations in conjunction with the equation of motion of a damped mass‐spring model were used to calculate the viscosity of muscle (b), and the elasticity of muscle fibres (kd) and tendon (kt) in each subject. There were little significant differences in most of physical characteristic variables between black and white athletes. Black athletes have significantly greater muscle viscosity and elasticity than white athletes while tendon elasticity is equivalent. Thus, muscle stiffness is greater among black athletes. Greater muscle stiffness could contribute to greater sprint/jump performance among black athletes, compared with white athletes, through alteration of foot/ground contact and take‐off phases during sprinting/jumping.</abstract><cop>Oxford UK</cop><pub>Blackwell Science Ltd</pub><pmid>12100357</pmid><doi>10.1046/j.1365-201X.2002.00985.x</doi><tpages>5</tpages></addata></record> |
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| subjects | Achilles Tendon - physiology Adult African Continental Ancestry Group Ankle - physiology Anthropometry Biological and medical sciences Elasticity European Continental Ancestry Group Female free vibration technique Fundamental and applied biological sciences. Psychology Humans Male Muscle, Skeletal - physiology muscle-tendon complex Oscillometry - methods race difference Reference Values Sex Factors Sports - physiology Striated muscle. Tendons Vertebrates: osteoarticular system, musculoskeletal system Vibration visco-elasticity Viscosity |
| title | Comparison of viscoelastic characteristics in triceps surae between Black and White athletes |
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