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Updated: May 6, 2026
Gait Analysis of Age-dependent Motor Impairments in Mice with Neurodegeneration
Published on: June 18, 2018
Three-dimensional rodent motion analysis and neurodegenerative disorders
Tasos Karakostas1, Simon Hsiang2, Heather Boger3
1Motion Analysis Center and Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA; Department of Physical Therapy, Medical University of South Carolina, Charleston, SC, USA; Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA.
A new three-dimensional (3D) motion analysis model for rodents reveals distinct movement patterns in parkinsonism-type and aging mice. This approach enables unbiased analysis of locomotion in disease models.
Area of Science:
- Biomechanical analysis
- Rodent models of neurological disorders
- Gait analysis
Background:
- Three-dimensional (3D) motion analysis is crucial for understanding human pathological motion and gait deviations.
- Previous research has used 3D motion analysis in rat models for parkinsonism, but a user-friendly approach for age-related motor impairments is lacking.
Purpose of the Study:
- To develop and present a novel 3D, three body-segment rodent model for analyzing locomotion.
- To identify etiologies of age-related motor impairment and associated pathologies in rodent models.
Main Methods:
- Developed a 3D, three body-segment model (lower, upper, head) for analyzing rodent locomotion during free walking.
- The model does not require transformation matrices and is independent of rotation sequences.
Main Results:
- Each body segment exhibited unique 3D movement patterns.
- Rodents with parkinsonism-type conditions walked slower and with reduced range of motion, mirroring human parkinsonian gait.
Conclusions:
- This novel 3D motion analysis approach provides an unbiased method for studying spontaneous locomotion.
- The model is applicable to mouse models of parkinsonism and normal aging.
