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Influence of the helical and six available Cardan sequences on 3D ankle joint kinematic parameters

J Sinclair1, P J Taylor, C J Edmundson

  • 1School of Sport Exercise and Nutritional Sciences, University of Central Lancashire, Preston, UK. jsinclair1@uclan.ac.uk

Sports Biomechanics
|October 18, 2012
PubMed

Insights

The XYZ Cardan sequence minimizes planar crosstalk in 3D ankle joint kinematics during running. This recommended sequence provides more accurate angular motion calculations compared to other Cardan or helical methods.

Area of Science:

  • Biomechanics
  • Kinesiology
  • Motion Analysis

Background:

  • Cardan/Euler and helical angles quantify angular kinematics, but Cardan angles are sequence-dependent and prone to crosstalk.
  • The International Society of Biomechanics (ISB) recommends an XYZ (sagittal, coronal, transverse) rotation sequence.
  • Alternative sequences may be more appropriate for non-sagittal plane rotations.

Purpose of the Study:

  • To investigate the influence of helical and six Cardan sequences on 3D ankle joint kinematics.
  • To compare kinematic parameters and identify planar crosstalk across different rotation sequences.

Main Methods:

  • Obtained 3D ankle kinematic data from participants running at 4.0 m/s using an eight-camera motion analysis system.
  • Utilized repeated measures ANOVAs to compare kinematic parameters.
  • Employed intraclass correlations to assess planar crosstalk.

Main Results:

  • The YXZ and ZXY Cardan sequences yielded significantly greater peak angle and range of motion values in the transverse and coronal planes.
  • YXZ and ZXY sequences showed the strongest correlations with sagittal plane rotations.
  • The XYZ sequence exhibited the lowest degree of planar crosstalk.

Conclusions:

  • The XYZ sequence is associated with minimal planar crosstalk for 3D ankle joint kinematics.
  • The XYZ sequence is recommended for accurate representation of ankle joint motion during activities like running.

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