Asymmetry in elite rowers: effect of ergometer design and stroke rate.
Identifieur interne : 003129 ( Main/Exploration ); précédent : 003128; suivant : 003130Asymmetry in elite rowers: effect of ergometer design and stroke rate.
Auteurs : Vincent Fohanno [France] ; Antoine Nordez [France] ; Richard Smith [Australie] ; Floren Colloud [France]Source :
- Sports biomechanics [ 1476-3141 ] ; 2015.
Descripteurs français
- KwdFr :
- Accélération, Adulte, Articulation de la hanche (physiologie), Articulation du genou (physiologie), Articulation talocrurale (physiologie), Conception d'appareillage, Ergométrie (instrumentation), Humains, Jeune adulte, Membre inférieur (anatomie et histologie), Membre inférieur (physiologie), Mâle, Phénomènes biomécaniques, Pied (physiologie), Sports (physiologie).
- MESH :
- anatomie et histologie : Membre inférieur.
- physiologie : Articulation de la hanche, Articulation du genou, Articulation talocrurale, Membre inférieur, Pied, Sports.
- instrumentation : Accélération, Adulte, Conception d'appareillage, Ergométrie, Humains, Jeune adulte, Mâle, Phénomènes biomécaniques.
English descriptors
- KwdEn :
- Acceleration, Adult, Ankle Joint (physiology), Biomechanical Phenomena, Equipment Design, Ergometry (instrumentation), Foot (physiology), Hip Joint (physiology), Humans, Knee Joint (physiology), Lower Extremity (anatomy & histology), Lower Extremity (physiology), Male, Sports (physiology), Young Adult.
- MESH :
- anatomy & histology : Lower Extremity.
- instrumentation : Ergometry.
- physiology : Ankle Joint, Foot, Hip Joint, Knee Joint, Lower Extremity, Sports.
- Acceleration, Adult, Biomechanical Phenomena, Equipment Design, Humans, Male, Young Adult.
Abstract
Between limb movement asymmetries and foot force production asymmetries are thought to be detrimental for both rower's performance and risk of injury, particularly when rowing frequently on ergometers. Several ergometers with different designs can be used by rowers as part of their indoor training. Hence, this study aimed to compare asymmetries in lower limb joint kinematics and foot force production with respect to ergometer design and rowing intensity. A new symmetry index was proposed to assess these asymmetries in elite rowers during a test on three ergometers. Additionally, the asymmetry in lower limb length was assessed to investigate its relationship with kinematic and kinetic asymmetries. Parameters describing medium (5-10%) or high (>10%) asymmetries were compared between rowing ergometers and intensities. Results indicated medium asymmetries for the ankle joint angle and hip-knee joint accelerations and high asymmetries for the resultant force and the ankle joint acceleration associated with a low inter-stroke variability. Kinetic asymmetry was neither correlated to kinematic asymmetry nor with lower limb length asymmetry. The use of a mobile ergometer led to higher joint acceleration asymmetries. Further studies are necessary to investigate the relation between these findings and muscular adaptations that may increase the risk of lower-back injury.
DOI: 10.1080/14763141.2015.1060252
PubMed: 26266336
Affiliations:
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Le document en format XML
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wicri:level="1"><nlm:affiliation>c Faculty of Health Sciences (Exercise Health and Performance Research Group), The University of Sydney , Lidcombe , NSW , Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>c Faculty of Health Sciences (Exercise Health and Performance Research Group), The University of Sydney , Lidcombe , NSW </wicri:regionArea><wicri:noRegion>NSW </wicri:noRegion></affiliation></author><author><name sortKey="Colloud, Floren" sort="Colloud, Floren" uniqKey="Colloud F" first="Floren" last="Colloud">Floren Colloud</name><affiliation wicri:level="1"><nlm:affiliation>d Pprime Institute (UPR 3346) , CNRS, University of Poitiers, ISAE-ENSMA, Futuroscope , France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>d Pprime Institute (UPR 3346) , CNRS, University of Poitiers, ISAE-ENSMA, Futuroscope </wicri:regionArea><wicri:noRegion>Futuroscope </wicri:noRegion><wicri:noRegion>Futuroscope </wicri:noRegion></affiliation></author></analytic><series><title level="j">Sports biomechanics</title><idno type="ISSN">1476-3141</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acceleration</term><term>Adult</term><term>Ankle Joint (physiology)</term><term>Biomechanical Phenomena</term><term>Equipment Design</term><term>Ergometry (instrumentation)</term><term>Foot (physiology)</term><term>Hip Joint (physiology)</term><term>Humans</term><term>Knee Joint (physiology)</term><term>Lower Extremity (anatomy & histology)</term><term>Lower Extremity (physiology)</term><term>Male</term><term>Sports (physiology)</term><term>Young Adult</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Accélération</term><term>Adulte</term><term>Articulation de la hanche (physiologie)</term><term>Articulation du genou (physiologie)</term><term>Articulation talocrurale (physiologie)</term><term>Conception d'appareillage</term><term>Ergométrie (instrumentation)</term><term>Humains</term><term>Jeune adulte</term><term>Membre inférieur (anatomie et histologie)</term><term>Membre inférieur (physiologie)</term><term>Mâle</term><term>Phénomènes biomécaniques</term><term>Pied (physiologie)</term><term>Sports (physiologie)</term></keywords><keywords scheme="MESH" qualifier="anatomie et histologie" xml:lang="fr"><term>Membre inférieur</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Lower Extremity</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Ergometry</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Articulation de la hanche</term><term>Articulation du genou</term><term>Articulation talocrurale</term><term>Membre inférieur</term><term>Pied</term><term>Sports</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Ankle Joint</term><term>Foot</term><term>Hip Joint</term><term>Knee Joint</term><term>Lower Extremity</term><term>Sports</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Acceleration</term><term>Adult</term><term>Biomechanical Phenomena</term><term>Equipment Design</term><term>Humans</term><term>Male</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="fr"><term>Accélération</term><term>Adulte</term><term>Conception d'appareillage</term><term>Ergométrie</term><term>Humains</term><term>Jeune adulte</term><term>Mâle</term><term>Phénomènes biomécaniques</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Between limb movement asymmetries and foot force production asymmetries are thought to be detrimental for both rower's performance and risk of injury, particularly when rowing frequently on ergometers. Several ergometers with different designs can be used by rowers as part of their indoor training. Hence, this study aimed to compare asymmetries in lower limb joint kinematics and foot force production with respect to ergometer design and rowing intensity. A new symmetry index was proposed to assess these asymmetries in elite rowers during a test on three ergometers. Additionally, the asymmetry in lower limb length was assessed to investigate its relationship with kinematic and kinetic asymmetries. Parameters describing medium (5-10%) or high (>10%) asymmetries were compared between rowing ergometers and intensities. Results indicated medium asymmetries for the ankle joint angle and hip-knee joint accelerations and high asymmetries for the resultant force and the ankle joint acceleration associated with a low inter-stroke variability. Kinetic asymmetry was neither correlated to kinematic asymmetry nor with lower limb length asymmetry. The use of a mobile ergometer led to higher joint acceleration asymmetries. Further studies are necessary to investigate the relation between these findings and muscular adaptations that may increase the risk of lower-back injury.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li></country></list><tree><country name="France"><noRegion><name sortKey="Fohanno, Vincent" sort="Fohanno, Vincent" uniqKey="Fohanno V" first="Vincent" last="Fohanno">Vincent Fohanno</name></noRegion><name sortKey="Colloud, Floren" sort="Colloud, Floren" uniqKey="Colloud F" first="Floren" last="Colloud">Floren Colloud</name><name sortKey="Nordez, Antoine" sort="Nordez, Antoine" uniqKey="Nordez A" first="Antoine" last="Nordez">Antoine Nordez</name></country><country name="Australie"><noRegion><name sortKey="Smith, Richard" sort="Smith, Richard" uniqKey="Smith R" first="Richard" last="Smith">Richard Smith</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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