3D motion analysis of kick start motion−Effects of upper limb movements on the body when leaving the platform−

Author:

Hyodo Hiroki12ORCID,Wada Tadashi3

Affiliation:

1. Graduate School of Engineering Kokushikan University Tokyo Japan

2. Department of Social Design Engineering National Institute of Technology, Kochi College Kochi Japan

3. Faculty of Science and Engineering Kokushikan University Tokyo Japan

Abstract

AbstractThe purpose of this study was to clarify the effect of the presence or absence of upper limb movement on the propulsion direction body velocity (TPV) leaving the platform at kick start. The first trial (Standard trial) is a normal kick start, and the second trial (Lower trial) is the same as a normal kick start. The force from the upper limb movement at the time was set so that the start table was not applied, and the start movement calculated the 3D coordinates of the marker attached to the body by 3D movement analysis. As a result, in the movement speed at the time of leaving the platform, the standard trial had a significantly higher value in the propulsion direction and a significantly lower value in the vertical movement speed than the lower trial. In addition, since the standard trial had a significantly lower value in the jumping angle when leaving the platform, the role of the upper limb movement in kick start is to promote by making the jumping angle closer to the horizontal when leaving the platform. It was suggested that it may affect the directional velocity.

Publisher

Wiley

Subject

Applied Mathematics,Electrical and Electronic Engineering,Computer Networks and Communications,General Physics and Astronomy,Signal Processing

Reference14 articles.

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3. HonmaM IkutaY MiyajiC Analysis of underwater motion at swimming start phase. 13th Conference of the Society of Biomechanisms Japan.1997;379‐384. (in Japanese)

4. Relationship between different push-off variables and start performance in experienced swimmers

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