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Related Experiment Videos

The analysis of golf swing as a kinematic chain using dual Euler angle algorithm.

Koon Kiat Teu1, Wangdo Kim, Franz Konstantin Fuss

  • 1Division of Engineering Mechanics, School of Mechanical & Aerospace Engineering, Nanyang Technological University, 639798 Singapore.

Journal of Biomechanics
|June 7, 2005
PubMed
Summary

This study introduces a new Dual Euler angle method for analyzing 3D movement, effectively measuring upper extremity segment contributions to golf club head speed. The findings show good agreement with video analysis, validating its use in sports biomechanics.

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Area of Science:

  • Biomechanics
  • Sports Science
  • Kinematics

Background:

  • Understanding the contribution of individual segment rotations to endpoint velocity is crucial in sports aiming for maximal distal segment speed.
  • Previous work has explored Dual Euler angles for displacement analysis in clinical settings.

Purpose of the Study:

  • To present and apply a novel velocity analysis method using dual Euler angles to quantify upper extremity segment contributions to golf club head speed.
  • To demonstrate the utility of the Dual Euler method in sports biomechanics for kinematic chain analysis.

Main Methods:

  • Utilized electrogoniometers to capture joint angles during golf swings at 1000 Hz.
  • Applied dual velocity analysis, describing rigid body motion as screw motion, to determine club head velocity.

Related Experiment Videos

  • Compared calculated kinematic data with video image analysis for validation.

    • Main Results:

    • The Dual Euler method accurately described 3D movement using dual transformation matrices, integrating translation and rotation.
    • Analysis revealed segment contributions to overall club head velocity.
    • Calculated club head position and velocity showed strong agreement with video analysis data.

    Conclusions:

    • The Dual Euler method offers a suitable and validated approach for analyzing kinematic chain motion in sports biomechanics.
    • This technique provides a novel way to analyze rotational contributions to distal segment velocity, applicable to various athletic movements.