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Updated: Sep 6, 2025

3D Kinematic Gait Analysis for Preclinical Studies in Rodents
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Evaluation of lower extremity gait analysis using Kinect V2® tracking system.

Takuya Usami1, Kazuki Nishida2, Hirotaka Iguchi3

  • 1Department of Orthopedic Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Aichi 467-8601, Japan - Nagoya City University East Medical Center, Nagoya, Aichi 464-8547, Japan.

SICOT-J
|June 24, 2022
PubMed
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Microsoft Kinect V2 is a reliable device for human gait analysis, accurately measuring gait velocity, step length, and joint angles. This technology offers a cost-effective alternative for gait evaluation.

Area of Science:

  • Biomechanics
  • Human Movement Analysis
  • Wearable Technology

Background:

  • Microsoft Kinect V2 is a depth-sensing peripheral device.
  • It captures depth, posture, and skeleton data.
  • Its utility for human gait analysis requires investigation.

Purpose of the Study:

  • To evaluate the reliability of the Microsoft Kinect V2 for human gait analysis.
  • To compare Kinect V2 gait parameters with a marker-based motion capture system.

Main Methods:

  • Ten healthy volunteers performed 20 walking trials each.
  • Gait was recorded simultaneously using Kinect V2 and an infrared marker-based system.
  • Pearson's correlation and meta-analysis assessed reliability of gait velocity, cycle time, step length, joint angles, ground contact time, and ankle velocity.
Keywords:
Gait analysisKinect V2Motion capture systemPosture recognitionSkeleton definition

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Last Updated: Sep 6, 2025

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Main Results:

  • Strong reliability (r=0.92) was found for gait velocity and step length (r=0.81).
  • Moderate reliability was observed for gait cycle time (r=0.65) and minimum hip flexion angle (r=0.68).
  • Fair to poor reliability was noted for other parameters, with similar hip and knee angle trajectories between systems.

Conclusions:

  • Microsoft Kinect V2 demonstrates strong reliability for key gait parameters like velocity, cycle time, and step length.
  • It is a potentially valuable and accessible tool for gait analysis.
  • Further research may refine its application for specific joint angle measurements.