Performance and Fatigue Patterns in Elite Cyclists During 6 h of Simulated Road Racing
ABSTRACT Fatigue resistance is vital for success in elite road cycling, as repeated, intense efforts challenge the athletes' ability to sustain peak performance throughout prolonged races. The present study combined recurrent performance testing and physiological measures during 6 h simulated r...
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| Veröffentlicht in: | Scandinavian journal of medicine & science in sports 2024-07, Vol.34 (7), p.e14699-n/a |
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| container_title | Scandinavian journal of medicine & science in sports |
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| creator | Klaris, Magnus Bak Cubel, Claes Bruun, Tim Ravn Stampe, Daniel Rørvik, Stian Fischer, Mads Bonne, Thomas Christensen, Peter M. Piil, Jacob Feder Nybo, Lars |
| description | ABSTRACT
Fatigue resistance is vital for success in elite road cycling, as repeated, intense efforts challenge the athletes' ability to sustain peak performance throughout prolonged races. The present study combined recurrent performance testing and physiological measures during 6 h simulated racing with laboratory testing to investigate factors influencing fatigue resistance. Twelve male national elite cyclists (25 ± 3 years; 76 ± 6 kg and VO2max of 5.2 ± 0.5 L/min) completed incremental power and maximal fat oxidation tests. Subsequently, they underwent field testing with physiological measures and fatigue responses evaluated through peak sprint power and 5 km time trial (TT) testing after 0, 2, 4, and 6 h of exercise. Peak power declined from 1362 ± 176 W in first sprint to 1271 ± 152 W after 2 h (p |
| doi_str_mv | 10.1111/sms.14699 |
| format | Article |
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Fatigue resistance is vital for success in elite road cycling, as repeated, intense efforts challenge the athletes' ability to sustain peak performance throughout prolonged races. The present study combined recurrent performance testing and physiological measures during 6 h simulated racing with laboratory testing to investigate factors influencing fatigue resistance. Twelve male national elite cyclists (25 ± 3 years; 76 ± 6 kg and VO2max of 5.2 ± 0.5 L/min) completed incremental power and maximal fat oxidation tests. Subsequently, they underwent field testing with physiological measures and fatigue responses evaluated through peak sprint power and 5 km time trial (TT) testing after 0, 2, 4, and 6 h of exercise. Peak power declined from 1362 ± 176 W in first sprint to 1271 ± 152 W after 2 h (p < 0.01) and then stabilized. In contrast, TT mean power gradually declined from 412 ± 38 W in the first TT to 384 ± 41 W in the final trial, with individual losses ranging from 2% to 14% and moderately correlated (r2 = 0.45) to accumulated exercise time above lactate threshold. High carbohydrate intake (~90 g/h) maintained blood glucose levels, but post‐TT [lactate] decreased from 15.1 ± 2 mM to 7.1 ± 2.3 mM, while fat oxidation increased from 0.7 ± 0.3 g/min at 0 h to 1.1 ± 0.1 g/min after 6 h. The study identifies fatigue patterns in national elite cyclists. Peak sprint power stabilized after an initial impairment from 0 to 2 h, while TT power gradually declined over the 6 h simulated race, with increased differentiation in fatigue responses among athletes.</description><identifier>ISSN: 0905-7188</identifier><identifier>ISSN: 1600-0838</identifier><identifier>EISSN: 1600-0838</identifier><identifier>DOI: 10.1111/sms.14699</identifier><identifier>PMID: 39011951</identifier><language>eng</language><publisher>Denmark</publisher><subject>Adult ; Athletic Performance - physiology ; Bicycling - physiology ; Blood Glucose - analysis ; cycling ; durability ; Exercise Test ; Fatigue ; fatigue development ; Humans ; Lactic Acid - blood ; Male ; Muscle Fatigue - physiology ; Oxygen Consumption - physiology ; Physical Endurance - physiology ; physiological resilience ; Young Adult</subject><ispartof>Scandinavian journal of medicine & science in sports, 2024-07, Vol.34 (7), p.e14699-n/a</ispartof><rights>2024 The Author(s). published by John Wiley & Sons Ltd.</rights><rights>2024 The Author(s). Scandinavian Journal of Medicine & Science In Sports published by John Wiley & Sons Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2159-5fc0a44576ca0774a01cd289a951d7ef579b5a883de0c0d10b2d7d157a00cd733</cites><orcidid>0000-0001-8583-1150 ; 0009-0000-5302-9569 ; 0000-0002-9090-1958 ; 0009-0004-6015-5685 ; 0000-0002-6403-1100 ; 0000-0002-4714-1981 ; 0000-0002-6940-4519</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fsms.14699$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fsms.14699$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39011951$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Klaris, Magnus Bak</creatorcontrib><creatorcontrib>Cubel, Claes</creatorcontrib><creatorcontrib>Bruun, Tim Ravn</creatorcontrib><creatorcontrib>Stampe, Daniel</creatorcontrib><creatorcontrib>Rørvik, Stian</creatorcontrib><creatorcontrib>Fischer, Mads</creatorcontrib><creatorcontrib>Bonne, Thomas</creatorcontrib><creatorcontrib>Christensen, Peter M.</creatorcontrib><creatorcontrib>Piil, Jacob Feder</creatorcontrib><creatorcontrib>Nybo, Lars</creatorcontrib><title>Performance and Fatigue Patterns in Elite Cyclists During 6 h of Simulated Road Racing</title><title>Scandinavian journal of medicine & science in sports</title><addtitle>Scand J Med Sci Sports</addtitle><description>ABSTRACT
Fatigue resistance is vital for success in elite road cycling, as repeated, intense efforts challenge the athletes' ability to sustain peak performance throughout prolonged races. The present study combined recurrent performance testing and physiological measures during 6 h simulated racing with laboratory testing to investigate factors influencing fatigue resistance. Twelve male national elite cyclists (25 ± 3 years; 76 ± 6 kg and VO2max of 5.2 ± 0.5 L/min) completed incremental power and maximal fat oxidation tests. Subsequently, they underwent field testing with physiological measures and fatigue responses evaluated through peak sprint power and 5 km time trial (TT) testing after 0, 2, 4, and 6 h of exercise. Peak power declined from 1362 ± 176 W in first sprint to 1271 ± 152 W after 2 h (p < 0.01) and then stabilized. In contrast, TT mean power gradually declined from 412 ± 38 W in the first TT to 384 ± 41 W in the final trial, with individual losses ranging from 2% to 14% and moderately correlated (r2 = 0.45) to accumulated exercise time above lactate threshold. High carbohydrate intake (~90 g/h) maintained blood glucose levels, but post‐TT [lactate] decreased from 15.1 ± 2 mM to 7.1 ± 2.3 mM, while fat oxidation increased from 0.7 ± 0.3 g/min at 0 h to 1.1 ± 0.1 g/min after 6 h. The study identifies fatigue patterns in national elite cyclists. Peak sprint power stabilized after an initial impairment from 0 to 2 h, while TT power gradually declined over the 6 h simulated race, with increased differentiation in fatigue responses among athletes.</description><subject>Adult</subject><subject>Athletic Performance - physiology</subject><subject>Bicycling - physiology</subject><subject>Blood Glucose - analysis</subject><subject>cycling</subject><subject>durability</subject><subject>Exercise Test</subject><subject>Fatigue</subject><subject>fatigue development</subject><subject>Humans</subject><subject>Lactic Acid - blood</subject><subject>Male</subject><subject>Muscle Fatigue - physiology</subject><subject>Oxygen Consumption - physiology</subject><subject>Physical Endurance - physiology</subject><subject>physiological resilience</subject><subject>Young Adult</subject><issn>0905-7188</issn><issn>1600-0838</issn><issn>1600-0838</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><sourceid>EIF</sourceid><recordid>eNp1kLtOwzAUQC0EoqUw8APIIwxpr5O4tkdUWkAqoqIgsUWu7RSjPMBOhLqx8pt8CYYUNjxcD_fo6OogdExgSMIb-dIPSToWYgf1yRggAp7wXdQHATRihPMeOvD-GYAwkdJ91EsEECIo6aPHhXF57UpZKYNlpfFMNnbdGryQTWNc5bGt8LSwjcGTjSqsbzy-aJ2t1nj8-f7xhOscL23ZFrIxGt_VMgypwvoQ7eWy8OZo-w_Qw2x6P7mK5reX15PzeaRiQkVEcwUyTSkbKwmMpRKI0jEXMlynmckpEysqOU-0AQWawCrWTBPKJIDSLEkG6LTzvrj6tTW-yUrrlSkKWZm69VkCnMRCJEwE9KxDlau9dybPXpwtpdtkBLLvkFkImf2EDOzJVtuuSqP_yN9yARh1wJstzOZ_U7a8WXbKL8WUfPc</recordid><startdate>202407</startdate><enddate>202407</enddate><creator>Klaris, Magnus Bak</creator><creator>Cubel, Claes</creator><creator>Bruun, Tim Ravn</creator><creator>Stampe, Daniel</creator><creator>Rørvik, Stian</creator><creator>Fischer, Mads</creator><creator>Bonne, Thomas</creator><creator>Christensen, Peter M.</creator><creator>Piil, Jacob Feder</creator><creator>Nybo, Lars</creator><scope>24P</scope><scope>WIN</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><orcidid>https://orcid.org/0000-0001-8583-1150</orcidid><orcidid>https://orcid.org/0009-0000-5302-9569</orcidid><orcidid>https://orcid.org/0000-0002-9090-1958</orcidid><orcidid>https://orcid.org/0009-0004-6015-5685</orcidid><orcidid>https://orcid.org/0000-0002-6403-1100</orcidid><orcidid>https://orcid.org/0000-0002-4714-1981</orcidid><orcidid>https://orcid.org/0000-0002-6940-4519</orcidid></search><sort><creationdate>202407</creationdate><title>Performance and Fatigue Patterns in Elite Cyclists During 6 h of Simulated Road Racing</title><author>Klaris, Magnus Bak ; Cubel, Claes ; Bruun, Tim Ravn ; Stampe, Daniel ; Rørvik, Stian ; Fischer, Mads ; Bonne, Thomas ; Christensen, Peter M. ; Piil, Jacob Feder ; Nybo, Lars</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2159-5fc0a44576ca0774a01cd289a951d7ef579b5a883de0c0d10b2d7d157a00cd733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Adult</topic><topic>Athletic Performance - physiology</topic><topic>Bicycling - physiology</topic><topic>Blood Glucose - analysis</topic><topic>cycling</topic><topic>durability</topic><topic>Exercise Test</topic><topic>Fatigue</topic><topic>fatigue development</topic><topic>Humans</topic><topic>Lactic Acid - blood</topic><topic>Male</topic><topic>Muscle Fatigue - physiology</topic><topic>Oxygen Consumption - physiology</topic><topic>Physical Endurance - physiology</topic><topic>physiological resilience</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Klaris, Magnus Bak</creatorcontrib><creatorcontrib>Cubel, Claes</creatorcontrib><creatorcontrib>Bruun, Tim Ravn</creatorcontrib><creatorcontrib>Stampe, Daniel</creatorcontrib><creatorcontrib>Rørvik, Stian</creatorcontrib><creatorcontrib>Fischer, Mads</creatorcontrib><creatorcontrib>Bonne, Thomas</creatorcontrib><creatorcontrib>Christensen, Peter M.</creatorcontrib><creatorcontrib>Piil, Jacob Feder</creatorcontrib><creatorcontrib>Nybo, Lars</creatorcontrib><collection>Wiley-Blackwell Open Access Titles</collection><collection>Wiley Free Content</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>Scandinavian journal of medicine & science in sports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Klaris, Magnus Bak</au><au>Cubel, Claes</au><au>Bruun, Tim Ravn</au><au>Stampe, Daniel</au><au>Rørvik, Stian</au><au>Fischer, Mads</au><au>Bonne, Thomas</au><au>Christensen, Peter M.</au><au>Piil, Jacob Feder</au><au>Nybo, Lars</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance and Fatigue Patterns in Elite Cyclists During 6 h of Simulated Road Racing</atitle><jtitle>Scandinavian journal of medicine & science in sports</jtitle><addtitle>Scand J Med Sci Sports</addtitle><date>2024-07</date><risdate>2024</risdate><volume>34</volume><issue>7</issue><spage>e14699</spage><epage>n/a</epage><pages>e14699-n/a</pages><issn>0905-7188</issn><issn>1600-0838</issn><eissn>1600-0838</eissn><abstract>ABSTRACT
Fatigue resistance is vital for success in elite road cycling, as repeated, intense efforts challenge the athletes' ability to sustain peak performance throughout prolonged races. The present study combined recurrent performance testing and physiological measures during 6 h simulated racing with laboratory testing to investigate factors influencing fatigue resistance. Twelve male national elite cyclists (25 ± 3 years; 76 ± 6 kg and VO2max of 5.2 ± 0.5 L/min) completed incremental power and maximal fat oxidation tests. Subsequently, they underwent field testing with physiological measures and fatigue responses evaluated through peak sprint power and 5 km time trial (TT) testing after 0, 2, 4, and 6 h of exercise. Peak power declined from 1362 ± 176 W in first sprint to 1271 ± 152 W after 2 h (p < 0.01) and then stabilized. In contrast, TT mean power gradually declined from 412 ± 38 W in the first TT to 384 ± 41 W in the final trial, with individual losses ranging from 2% to 14% and moderately correlated (r2 = 0.45) to accumulated exercise time above lactate threshold. High carbohydrate intake (~90 g/h) maintained blood glucose levels, but post‐TT [lactate] decreased from 15.1 ± 2 mM to 7.1 ± 2.3 mM, while fat oxidation increased from 0.7 ± 0.3 g/min at 0 h to 1.1 ± 0.1 g/min after 6 h. The study identifies fatigue patterns in national elite cyclists. Peak sprint power stabilized after an initial impairment from 0 to 2 h, while TT power gradually declined over the 6 h simulated race, with increased differentiation in fatigue responses among athletes.</abstract><cop>Denmark</cop><pmid>39011951</pmid><doi>10.1111/sms.14699</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-8583-1150</orcidid><orcidid>https://orcid.org/0009-0000-5302-9569</orcidid><orcidid>https://orcid.org/0000-0002-9090-1958</orcidid><orcidid>https://orcid.org/0009-0004-6015-5685</orcidid><orcidid>https://orcid.org/0000-0002-6403-1100</orcidid><orcidid>https://orcid.org/0000-0002-4714-1981</orcidid><orcidid>https://orcid.org/0000-0002-6940-4519</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Adult Athletic Performance - physiology Bicycling - physiology Blood Glucose - analysis cycling durability Exercise Test Fatigue fatigue development Humans Lactic Acid - blood Male Muscle Fatigue - physiology Oxygen Consumption - physiology Physical Endurance - physiology physiological resilience Young Adult |
| title | Performance and Fatigue Patterns in Elite Cyclists During 6 h of Simulated Road Racing |
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