Alterations of neuromuscular function after an ultramarathon
Groupe Analyse du Mouvement, Faculté des Sciences du Sport, Université de Bourgogne, 21078 Dijon Cedex, France Neuromuscular fatigue of the knee extensor (KE) and plantar flexor (PF) muscles was characterized after a 65-km ultramarathon race in nine well-trained runners by stimulating the femoral an...
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| Veröffentlicht in: | Journal of applied physiology (1985) 2002-02, Vol.92 (2), p.486-492 |
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| container_title | Journal of applied physiology (1985) |
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| creator | Millet, G. Y Lepers, R Maffiuletti, N. A Babault, N Martin, V Lattier, G |
| description | Groupe Analyse du Mouvement, Faculté des Sciences du
Sport, Université de Bourgogne, 21078 Dijon Cedex, France
Neuromuscular fatigue of the knee
extensor (KE) and plantar flexor (PF) muscles was characterized after a
65-km ultramarathon race in nine well-trained runners by stimulating
the femoral and tibial nerves, respectively. One week before and
immediately after the ultramarathon, maximal twitches were elicited
from the relaxed KE and PF. Electrically evoked superimposed twitches
of the KE were also elicited during maximal voluntary contractions
(MVCs) to determine maximal voluntary activation. MVC and maximal
voluntary activation decreased significantly after the ultramarathon
( 30.2 ± 18.0% and 27.7 ± 13.0%, respectively;
P |
| doi_str_mv | 10.1152/japplphysiol.00122.2001 |
| format | Article |
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Sport, Université de Bourgogne, 21078 Dijon Cedex, France
Neuromuscular fatigue of the knee
extensor (KE) and plantar flexor (PF) muscles was characterized after a
65-km ultramarathon race in nine well-trained runners by stimulating
the femoral and tibial nerves, respectively. One week before and
immediately after the ultramarathon, maximal twitches were elicited
from the relaxed KE and PF. Electrically evoked superimposed twitches
of the KE were also elicited during maximal voluntary contractions
(MVCs) to determine maximal voluntary activation. MVC and maximal
voluntary activation decreased significantly after the ultramarathon
( 30.2 ± 18.0% and 27.7 ± 13.0%, respectively;
P < 0.001). Surprisingly, peak twitch increased after
the ultramarathon from 15.8 ± 6.3 to 19.7 ± 3.3 N · m for PF ( P < 0.01) and from 131.9 ± 21.2 to 157.1 ± 35.9 N for KE ( P < 0.05). Also,
shorter contraction and half-relaxation times were observed for both
muscles. The compound muscle action potentials (M wave) were not
significantly altered by the ultramarathon with the exception of the
soleus, which showed a slightly higher M-wave amplitude after the
running. From these results, it can be concluded that 65 km of running
1 ) severely depressed the maximal voluntary force capacity
mainly because of a decrease in maximal voluntary activation,
2 ) potentiated the twitch mechanical response, and
3 ) did not change significantly the M-wave characteristics.
electrically evoked twitch; potentiation; M wave; central
activation; electromyography</description><identifier>ISSN: 8750-7587</identifier><identifier>EISSN: 1522-1601</identifier><identifier>DOI: 10.1152/japplphysiol.00122.2001</identifier><identifier>PMID: 11796655</identifier><identifier>CODEN: JAPHEV</identifier><language>eng</language><publisher>Bethesda, MD: Am Physiological Soc</publisher><subject>Adult ; Biological and medical sciences ; Electromyography ; Electrophysiology ; Fatigue ; Fundamental and applied biological sciences. Psychology ; Human health and pathology ; Humans ; Legs ; Life Sciences ; Male ; Marathons ; Muscle Contraction - physiology ; Muscle, Skeletal - physiology ; Muscular system ; Neuromuscular Junction - physiology ; Physical Endurance - physiology ; Running - physiology ; Striated muscle. Tendons ; Tissues and Organs ; Vertebrates: osteoarticular system, musculoskeletal system</subject><ispartof>Journal of applied physiology (1985), 2002-02, Vol.92 (2), p.486-492</ispartof><rights>2002 INIST-CNRS</rights><rights>Copyright American Physiological Society Feb 2002</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c507t-ac9b2bd165f4797289476ac1301424e16ba349d27885c8de0f84ac9015b7cf683</citedby><cites>FETCH-LOGICAL-c507t-ac9b2bd165f4797289476ac1301424e16ba349d27885c8de0f84ac9015b7cf683</cites><orcidid>0000-0001-6563-503X ; 0000-0002-6395-0762 ; 0000-0002-6681-1610</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,3026,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13480730$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11796655$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://u-bourgogne.hal.science/hal-03990618$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Millet, G. Y</creatorcontrib><creatorcontrib>Lepers, R</creatorcontrib><creatorcontrib>Maffiuletti, N. A</creatorcontrib><creatorcontrib>Babault, N</creatorcontrib><creatorcontrib>Martin, V</creatorcontrib><creatorcontrib>Lattier, G</creatorcontrib><title>Alterations of neuromuscular function after an ultramarathon</title><title>Journal of applied physiology (1985)</title><addtitle>J Appl Physiol (1985)</addtitle><description>Groupe Analyse du Mouvement, Faculté des Sciences du
Sport, Université de Bourgogne, 21078 Dijon Cedex, France
Neuromuscular fatigue of the knee
extensor (KE) and plantar flexor (PF) muscles was characterized after a
65-km ultramarathon race in nine well-trained runners by stimulating
the femoral and tibial nerves, respectively. One week before and
immediately after the ultramarathon, maximal twitches were elicited
from the relaxed KE and PF. Electrically evoked superimposed twitches
of the KE were also elicited during maximal voluntary contractions
(MVCs) to determine maximal voluntary activation. MVC and maximal
voluntary activation decreased significantly after the ultramarathon
( 30.2 ± 18.0% and 27.7 ± 13.0%, respectively;
P < 0.001). Surprisingly, peak twitch increased after
the ultramarathon from 15.8 ± 6.3 to 19.7 ± 3.3 N · m for PF ( P < 0.01) and from 131.9 ± 21.2 to 157.1 ± 35.9 N for KE ( P < 0.05). Also,
shorter contraction and half-relaxation times were observed for both
muscles. The compound muscle action potentials (M wave) were not
significantly altered by the ultramarathon with the exception of the
soleus, which showed a slightly higher M-wave amplitude after the
running. From these results, it can be concluded that 65 km of running
1 ) severely depressed the maximal voluntary force capacity
mainly because of a decrease in maximal voluntary activation,
2 ) potentiated the twitch mechanical response, and
3 ) did not change significantly the M-wave characteristics.
electrically evoked twitch; potentiation; M wave; central
activation; electromyography</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Electromyography</subject><subject>Electrophysiology</subject><subject>Fatigue</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Human health and pathology</subject><subject>Humans</subject><subject>Legs</subject><subject>Life Sciences</subject><subject>Male</subject><subject>Marathons</subject><subject>Muscle Contraction - physiology</subject><subject>Muscle, Skeletal - physiology</subject><subject>Muscular system</subject><subject>Neuromuscular Junction - physiology</subject><subject>Physical Endurance - physiology</subject><subject>Running - physiology</subject><subject>Striated muscle. Tendons</subject><subject>Tissues and Organs</subject><subject>Vertebrates: osteoarticular system, musculoskeletal system</subject><issn>8750-7587</issn><issn>1522-1601</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkV9rFDEUxYModlv9CjoIKj7Mmr-TBHxZSmuFBV_qc8hkku4s2cmYTKr77c24oxVBfLqQ-zv33JsDwEsE1wgx_H6vx9GPu2Pqg19DiDBe41IegVXp4ho1ED0GK8EZrDkT_Aycp7QvAKUMPQVnCHHZNIytwIeNn2zUUx-GVAVXDTbHcMjJZK9j5fJg5lalXaEqPVTZT1EfdFHswvAMPHHaJ_t8qRfgy_XV7eVNvf388dPlZlsbBvlUayNb3HaoYY5yybGQlDfaIFL2wdSiptWEyg5zIZgRnYVO0KKBiLXcuEaQC_DuNHenvRpjX_yPKuhe3Wy2an6DRErYIHGPCvvmxI4xfM02TerQJ2O914MNOSmOKIJM_h9EghACMS7gq7_AfchxKAcrjDFilMkZ4ifIxJBStO73ngiqOTL1Z2TqZ2RqjqwoXyzjc3uw3YNuyagArxdAJ6O9i3owfXrgCBWQE1i4t8sv9Xe7b320anELd8fZXcniqKhoCkn-TV5n72_t92mW_FKosXPkBzSswbI</recordid><startdate>20020201</startdate><enddate>20020201</enddate><creator>Millet, G. Y</creator><creator>Lepers, R</creator><creator>Maffiuletti, N. A</creator><creator>Babault, N</creator><creator>Martin, V</creator><creator>Lattier, G</creator><general>Am Physiological Soc</general><general>American Physiological Society</general><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>7QP</scope><scope>7QR</scope><scope>7TK</scope><scope>7TS</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-6563-503X</orcidid><orcidid>https://orcid.org/0000-0002-6395-0762</orcidid><orcidid>https://orcid.org/0000-0002-6681-1610</orcidid></search><sort><creationdate>20020201</creationdate><title>Alterations of neuromuscular function after an ultramarathon</title><author>Millet, G. Y ; Lepers, R ; Maffiuletti, N. A ; Babault, N ; Martin, V ; Lattier, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c507t-ac9b2bd165f4797289476ac1301424e16ba349d27885c8de0f84ac9015b7cf683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Electromyography</topic><topic>Electrophysiology</topic><topic>Fatigue</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Human health and pathology</topic><topic>Humans</topic><topic>Legs</topic><topic>Life Sciences</topic><topic>Male</topic><topic>Marathons</topic><topic>Muscle Contraction - physiology</topic><topic>Muscle, Skeletal - physiology</topic><topic>Muscular system</topic><topic>Neuromuscular Junction - physiology</topic><topic>Physical Endurance - physiology</topic><topic>Running - physiology</topic><topic>Striated muscle. Tendons</topic><topic>Tissues and Organs</topic><topic>Vertebrates: osteoarticular system, musculoskeletal system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Millet, G. Y</creatorcontrib><creatorcontrib>Lepers, R</creatorcontrib><creatorcontrib>Maffiuletti, N. 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Y</au><au>Lepers, R</au><au>Maffiuletti, N. A</au><au>Babault, N</au><au>Martin, V</au><au>Lattier, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Alterations of neuromuscular function after an ultramarathon</atitle><jtitle>Journal of applied physiology (1985)</jtitle><addtitle>J Appl Physiol (1985)</addtitle><date>2002-02-01</date><risdate>2002</risdate><volume>92</volume><issue>2</issue><spage>486</spage><epage>492</epage><pages>486-492</pages><issn>8750-7587</issn><eissn>1522-1601</eissn><coden>JAPHEV</coden><abstract>Groupe Analyse du Mouvement, Faculté des Sciences du
Sport, Université de Bourgogne, 21078 Dijon Cedex, France
Neuromuscular fatigue of the knee
extensor (KE) and plantar flexor (PF) muscles was characterized after a
65-km ultramarathon race in nine well-trained runners by stimulating
the femoral and tibial nerves, respectively. One week before and
immediately after the ultramarathon, maximal twitches were elicited
from the relaxed KE and PF. Electrically evoked superimposed twitches
of the KE were also elicited during maximal voluntary contractions
(MVCs) to determine maximal voluntary activation. MVC and maximal
voluntary activation decreased significantly after the ultramarathon
( 30.2 ± 18.0% and 27.7 ± 13.0%, respectively;
P < 0.001). Surprisingly, peak twitch increased after
the ultramarathon from 15.8 ± 6.3 to 19.7 ± 3.3 N · m for PF ( P < 0.01) and from 131.9 ± 21.2 to 157.1 ± 35.9 N for KE ( P < 0.05). Also,
shorter contraction and half-relaxation times were observed for both
muscles. The compound muscle action potentials (M wave) were not
significantly altered by the ultramarathon with the exception of the
soleus, which showed a slightly higher M-wave amplitude after the
running. From these results, it can be concluded that 65 km of running
1 ) severely depressed the maximal voluntary force capacity
mainly because of a decrease in maximal voluntary activation,
2 ) potentiated the twitch mechanical response, and
3 ) did not change significantly the M-wave characteristics.
electrically evoked twitch; potentiation; M wave; central
activation; electromyography</abstract><cop>Bethesda, MD</cop><pub>Am Physiological Soc</pub><pmid>11796655</pmid><doi>10.1152/japplphysiol.00122.2001</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-6563-503X</orcidid><orcidid>https://orcid.org/0000-0002-6395-0762</orcidid><orcidid>https://orcid.org/0000-0002-6681-1610</orcidid></addata></record> |
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| ispartof | Journal of applied physiology (1985), 2002-02, Vol.92 (2), p.486-492 |
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| source | MEDLINE; American Physiological Society; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Adult Biological and medical sciences Electromyography Electrophysiology Fatigue Fundamental and applied biological sciences. Psychology Human health and pathology Humans Legs Life Sciences Male Marathons Muscle Contraction - physiology Muscle, Skeletal - physiology Muscular system Neuromuscular Junction - physiology Physical Endurance - physiology Running - physiology Striated muscle. Tendons Tissues and Organs Vertebrates: osteoarticular system, musculoskeletal system |
| title | Alterations of neuromuscular function after an ultramarathon |
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