Authorship：Lead author   Language：Japanese   Publishing type：Research paper (scientific journal)  

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Authorship：Lead author   Publishing type：Research paper (scientific journal)   Publisher：SAGE Publications  

Introduction: Ballet demands diverse physical prowess, requiring dancers to execute movements symmetrically, irrespective of their dominant leg. Ballet often includes jumps, including the basic open-leg leap—the grand jeté—which requires uniform performance regardless of the leg on which the leap is initiated. However, no studies have simultaneously evaluated the effects of dominant leg or movement variation on jump height, leg split angle, jump time, and floor reaction forces during take-off and landing, which are related to the feeling of floating in the grand jeté. This study aimed to determine whether the high-level, stable, and beautiful performance required of professional ballet dancers in the grand jeté is affected by the dominant leg. Methods: Twelve female ballet dancers, all right leg dominant, performed the grand jeté 3 times on each side, distinguishing between dominant (right leg landing) and non-dominant (left leg landing) grand jetés. Utilising 3D movement analysis, we measured jump height, jump time, maximum leg split angle, and maximum vertical ground reaction force (VGRF) during take-off and landing. Mean values and coefficients of variation were calculated for each analysed parameter. Paired sample t-tests were conducted to assess differences between left and right grand jetés, with a significance level set at P < .05. Results: Statistically significant differences were observed in jump height ( P = .028) and jump time ( P = .001) when comparing the average of three trials for each side. However, no significant differences were found in maximum leg split angle ( P = 0.643), maximum VGRF at take-off ( P = .200), and maximum VGRF at landing ( P = .109). In addition, no significant differences in coefficients of variation were identified for all items. Conclusion: Ballet dancers showed consistent performance on dominant and non-dominant legs but higher and longer jumps for grand jetés landing on the dominant leg, which may have affected overall performance.

DOI： 10.1177/1089313x241272134

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Other Link： https://journals.sagepub.com/doi/full-xml/10.1177/1089313X241272134

Authorship：Lead author   Language：Japanese   Publishing type：Research paper (scientific journal)  

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Authorship：Lead author   Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：Japan Society of Mechanical Engineers  

DOI： 10.1299/jsmeshd.2022.a-7-1

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Authorship：Lead author   Publishing type：Research paper (scientific journal)   Publisher：Japan Society of Mechanical Engineers  

DOI： 10.1299/jsmeshd.2021.c-1-2

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Event date： 2025.11

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Event date： 2023.9

Language：English  

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Event date： 2023.7

Language：English   Presentation type：Poster presentation  

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Event date： 2023.3

Language：Japanese   Presentation type：Poster presentation  

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Event date： 2023.2

Language：Japanese   Presentation type：Oral presentation (general)  

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Work type：Artistic work  

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Work type：Artistic work  

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Work type：Artistic work  

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Work type：Artistic work  

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Author：Myself 

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Author：Other 

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