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Titre : | Kinetic asymmetries during running in male youth (2014) |
Auteurs : | Michael C. Rumpf ; John B. Cronin ; Ikhwan N. Mohamad |
Type de document : | Article |
Dans : | Physical therapy in sport (2014/1, February 2014) |
Article en page(s) : | pp. 53-57 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Biomécanique ; Facteurs de risque ; Jeune adulte (19-24 ans) ; Recherche |
Mots-clés: | Biomechanics ; Course à pied ; Running ; Male ; Mâle ; Young adult ; Research ; Risk factors ; Traumatismes sportifs ; Athletic injuries |
Résumé : |
Objectives
A possible injury risk factor is limb asymmetry, which may differ across maturation given the adult growth spurt. The aim of this study is to quantify the magnitude of asymmetry in a number of kinetic variables during a running task in male youth of different maturity status. Design Quantitative observational laboratory study. Setting Sports performance laboratory. Participants Non-injured youth athletes in pre-, mid-, and post-pubescent status. Main outcome measures Inter-limb leg asymmetries whilst sprinting on a non-motorized treadmill. Percent asymmetry was defined as: (Left leg − right leg)/right leg*100 = %asymmetry. Results Horizontal force presented limb asymmetries of 15.4, 14.8 and 14.7% for the pre-, mid- and post-PHV group respectively. Values for vertical force were higher (18.1, 20.2 and 20.8% respectively). Power asymmetries were 14.9, 15.8, and 15.5% respectively and work asymmetries were significant higher in pre-PHV participants (26.4%) compared to mid- (14.7%) and post-PHV (17.3%) participants. Conclusions As the population in this study was characterized as non-injured, asymmetries of 1520% appeared typical during a running task in developmental athletes. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S1466853X13000138 |