Characteristics of limb motions associated with generating angular momentum and balance maintenance in pirouette ed dehor in classic ballet

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K16446
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Sports science
• Research Institution: Tokyo Metropolitan University (2017); Kanagawa University (2016); The University of Tokyo (2015)
• Principal Investigator: IMURA AKIKO 首都大学東京, 人間健康科学研究科, 助教 (30586699)
• Research Collaborator: KOIME SEKIYA
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: 角運動量 / 回転動作 / 動力学的貢献

Outline of Final Research Achievements

In a turn around the longitudinal axis of the body in classical ballet dancing, it is necessary to maintain balance and generate sufficient angular momentum. The purpose of this study is to clarify the dynamics of angular momentum generation and balance maintenance. We captured turns with single leg support by professional ballet dancers from 1 to 6 revolutions, determined the kinematic parameters of the left and right upper limbs, and calculated each joint torque by inverse dynamics calculation. By using the equation of motion of the target system, the kinetic contribution was calculated such as joint torque, gravity and motion dependent terms to the angular momentum around the center of mass of the upper body. The angular momentum of the upper limb increased with the immediate effect of the joint torque and then increased due to the contribution of the motion dependent term which appears as the cumulative effect of the joint torque.

Free Research Field

スポーツバイオメカニクス