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February 14, 2026Applied SciencesOpen Access

Effect of Camera Configurations on Trunk and Lower-Extremity Kinematic Accuracy Using OpenCap with Lab-Based Motion Capture: A Pilot Investigation

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Authors

MLMan Kit LeiSLSandra Salvador LisSCSílvia Cabral

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Overview

Pilot investigation shows camera configurations influence kinematic accuracy in athletic movements, suggesting need for careful selection.

Key Points

  • This research investigates the effect of camera configurations on the accuracy of trunk and lower-limb kinematics during athletic movements.
  • Used a lab-based multi-camera motion capture system with OpenCap.
  • Examined six female football players performing drop jump and sidecut tasks.
  • Compared kinematic data from different camera setups: two, four, and eight cameras.
  • Significant differences in kinematic waveforms with varying camera setups.
  • Decreased degrees of freedom from two cameras to eight cameras in both tasks.
  • Notable improvements in pelvis translation and rotation, as well as joint angles in various movements.

Cite This Study

Lei et al. (2026) studied this question.

synapsesocial.com/papers/699011932ccff479cfe5851fhttps://doi.org/10.3390/app16041842
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