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Related Experiment Video

Updated: May 20, 2026

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
06:09

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

Published on: March 12, 2021

Improvements in measuring shoulder joint kinematics.

M Jackson1, B Michaud, P Tétreault

  • 1Laboratoire de Simulation et Modélisation du Mouvement, Département de Kinésiologie, Université de Montréal, 1700 rue Jacques-Tétreault, Laval (QC), Canada. monique.jackson@umontreal.ca

Journal of Biomechanics
|July 4, 2012
PubMed
Summary

This study refines shoulder motion analysis using skin markers by introducing a standardized reference configuration. This improved method enhances the interpretability of shoulder kinematics during dynamic movements.

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Last Updated: May 20, 2026

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
06:09

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

Published on: March 12, 2021

Measurement of Dynamic Scapular Kinematics Using an Acromion Marker Cluster to Minimize Skin Movement Artifact
10:07

Measurement of Dynamic Scapular Kinematics Using an Acromion Marker Cluster to Minimize Skin Movement Artifact

Published on: February 10, 2015

Area of Science:

  • Biomechanics
  • Kinesiology
  • Medical Imaging

Background:

  • Non-invasive determination of shoulder motion is crucial for clinical applications, often utilizing skin markers.
  • Current skin marker methods require refinement for accurate tracking of underlying bone motion.
  • Existing shoulder models, like the International Society of Biomechanics (ISB) recommendations, lack standardized reference positions.

Purpose of the Study:

  • To develop an accurate method for determining shoulder kinematics using skin markers.
  • To investigate the impact of a standardized reference configuration on shoulder kinematics.
  • To improve the interpretation of shoulder joint angles during dynamic movements.

Main Methods:

  • Tracking skin marker trajectories on fifteen healthy subjects during arm elevations.
  • Reconstructing shoulder kinematics using a biomechanical chain model.
  • Employing an extended Kalman filter for motion analysis.

Main Results:

  • Significant differences in shoulder kinematics were observed with and without the standardized reference configuration.
  • Introduction of the reference configuration resulted in joint angle curves tending towards 0° at 0° humerus elevation.
  • The standardized configuration improved the interpretability of shoulder kinematics.

Conclusions:

  • A standardized reference configuration enhances the accuracy and interpretability of shoulder kinematics derived from skin markers.
  • This refined method offers a more reliable approach for clinical assessment of shoulder function.
  • Future research should incorporate standardized reference configurations for consistent shoulder motion analysis.