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Somatotype Variables Related to Muscle Torque and Power in Judoists

Identifieur interne : 000080 ( Istex/Corpus ); précédent : 000079; suivant : 000081

Somatotype Variables Related to Muscle Torque and Power in Judoists

Auteurs : Joanna Lewandowska ; Krzysztof Bu Ko ; Anna Pastuszak ; Katarzyna Boguszewska

Source :

RBID : ISTEX:BDFEEC9A2C694B48237EC204B1053E525EA1AA87

English descriptors

Abstract

The purpose of this study was to examine the relationship between somatotype, muscle torque and power output in judoists. Thirteen judoists (age 18.4±3.1 years, body height 178.6±8.2 cm, body mass 82.3±15.9 kg) volunteered to participate in this study. Somatotype was determined using the Heath-Carter method. Maximal muscle torques of elbow, shoulder, knee, hip and trunk flexors as well as extensors were measured under static conditions. Power outputs were measured in 5 maximal cycle ergometer exercise bouts, 10 s each, at increasing external loads equal to 2.5, 5.0, 7.5, 10.0 and 12.5% of body weight. The Pearson's correlation coefficients were calculated between all parameters. The mean somatotype of judoists was: 3.5-5.9-1.8 (values for endomorphy, mesomorphy and ectomorphy, respectively). The values (mean±SD) of sum of muscle torque of ten muscle groups (TOTAL) was 3702.2±862.9 N × m. The power output ranged from 393.2±79.4 to 1077.2±275.4 W. The values of sum of muscle torque of right and left upper extremities (SUE), sum of muscle torque of right and left lower extremities (SLE), sum of muscle torque of the trunk (ST) and TOTAL were significantly correlated with the mesomorphic component (0.68, 0.80, 0.71 and 0.78, respectively). The ectomorphic component correlated significantly with values of SUE, SLE, ST and TOTAL (-0.69, -0.81, -0.71 and -0.79, respectively). Power output was also strongly correlated with both mesomorphy (positively) and ectomorphy (negatively). The results indicated that the values of mesomorphic and ectomorphic somatotype components influence muscle torque and power output, thus body build could be an important factor affecting results in judo.

Url:
DOI: 10.2478/v10078-011-0069-y

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ISTEX:BDFEEC9A2C694B48237EC204B1053E525EA1AA87

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<namePart type="given">Anna</namePart>
<namePart type="family">Pastuszak</namePart>
<affiliation>Department of Anthropology, Josef Pilsudski University of Physical Education, Warsaw, Poland</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">Katarzyna</namePart>
<namePart type="family">Boguszewska</namePart>
<affiliation>Department of Anthropology, Josef Pilsudski University of Physical Education, Warsaw, Poland</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
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<originInfo>
<publisher>Versita</publisher>
<dateIssued encoding="w3cdtf">2011-12-01</dateIssued>
<dateCreated encoding="w3cdtf">2011-12-25</dateCreated>
</originInfo>
<language>
<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
<languageTerm type="code" authority="rfc3066">en</languageTerm>
</language>
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<abstract lang="en">The purpose of this study was to examine the relationship between somatotype, muscle torque and power output in judoists. Thirteen judoists (age 18.4±3.1 years, body height 178.6±8.2 cm, body mass 82.3±15.9 kg) volunteered to participate in this study. Somatotype was determined using the Heath-Carter method. Maximal muscle torques of elbow, shoulder, knee, hip and trunk flexors as well as extensors were measured under static conditions. Power outputs were measured in 5 maximal cycle ergometer exercise bouts, 10 s each, at increasing external loads equal to 2.5, 5.0, 7.5, 10.0 and 12.5% of body weight. The Pearson's correlation coefficients were calculated between all parameters. The mean somatotype of judoists was: 3.5-5.9-1.8 (values for endomorphy, mesomorphy and ectomorphy, respectively). The values (mean±SD) of sum of muscle torque of ten muscle groups (TOTAL) was 3702.2±862.9 N × m. The power output ranged from 393.2±79.4 to 1077.2±275.4 W. The values of sum of muscle torque of right and left upper extremities (SUE), sum of muscle torque of right and left lower extremities (SLE), sum of muscle torque of the trunk (ST) and TOTAL were significantly correlated with the mesomorphic component (0.68, 0.80, 0.71 and 0.78, respectively). The ectomorphic component correlated significantly with values of SUE, SLE, ST and TOTAL (-0.69, -0.81, -0.71 and -0.79, respectively). Power output was also strongly correlated with both mesomorphy (positively) and ectomorphy (negatively). The results indicated that the values of mesomorphic and ectomorphic somatotype components influence muscle torque and power output, thus body build could be an important factor affecting results in judo.</abstract>
<subject lang="en">
<genre>Keywords</genre>
<topic>judo</topic>
<topic>somatotype</topic>
<topic>strength</topic>
<topic>power</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Journal of Human Kinetics</title>
</titleInfo>
<genre type="Journal">journal</genre>
<identifier type="ISSN">1640-5544</identifier>
<identifier type="eISSN">1899-7562</identifier>
<identifier type="PublisherID">HUKIN</identifier>
<part>
<date>2011</date>
<detail type="volume">
<caption>vol.</caption>
<number>30</number>
</detail>
<extent unit="pages">
<start>21</start>
<end>28</end>
</extent>
</part>
</relatedItem>
<relatedItem type="reviewOf">
<genre>pdf</genre>
<identifier type="pdf">v10078-011-0069-y.pdf</identifier>
</relatedItem>
<identifier type="istex">BDFEEC9A2C694B48237EC204B1053E525EA1AA87</identifier>
<identifier type="DOI">10.2478/v10078-011-0069-y</identifier>
<identifier type="ArticleID">v10078-011-0069-y</identifier>
<identifier type="Related-article-Href">v10078-011-0069-y.pdf</identifier>
<accessCondition type="use and reproduction" contentType="open-access">This content is open access.</accessCondition>
<recordInfo>
<recordContentSource>De Gruyter</recordContentSource>
</recordInfo>
</mods>
</metadata>
<serie></serie>
</istex>
</record>

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