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Updated: May 31, 2026
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Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion
Published on: January 15, 2016
Gait pattern in inherited cerebellar ataxias
Mariano Serrao1, Francesco Pierelli, Alberto Ranavolo
1Department of Medical and Surgical Science and Biotechnologies, Sapienza University of Rome, Polo Pontino, Via Faggiana 34, 40100 Latina, Italy. mariano.serrao@uniroma1.it
Cerebellum (London, England)
|July 1, 2011
Summary
Patients with inherited ataxias exhibit increased gait variability, not a fixed abnormal pattern. This variability in gait parameters strongly correlates with disease severity, impacting walking stability.
Area of Science:
- Neurology
- Biomechanical Engineering
- Genetics
Background:
- Inherited ataxias, including spinocerebellar ataxia (SCA) and Friedreich's ataxia (FRDA), are progressive neurological disorders affecting gait.
- Understanding gait abnormalities is crucial for assessing disease progression and developing targeted interventions.
Purpose of the Study:
- To comprehensively analyze global and segmental gait features in patients with genetically confirmed inherited ataxias.
- To correlate gait parameters with clinical ataxia severity using the International Cooperative Ataxia Rating Scale (ICARS).
Main Methods:
- Motion analysis system to record kinematic and kinetic gait data in 16 patients with SCA or FRDA and controls.
- Measurement of global (time-distance, COM displacement, support moment) and segmental (joint displacement, inter-joint coordination) gait parameters.
- Analysis of discrete, continuous variables, variability, and correlations with ICARS scores.
Main Results:
- Ataxic patients showed significant differences in global gait parameters compared to controls.
- Increased gait and posture variability strongly correlated with higher ICARS scores.
- Segmental analysis revealed altered continuous kinematic/kinetic waveforms and irregular joint coordination in patients.
Conclusions:
- Inherited ataxias lead to a loss of stable, repeatable walking patterns, characterized by increased gait variability.
- Gait variability, rather than a fixed abnormal pattern, is a key feature across different genetic forms of ataxia.
- Gait analysis provides valuable insights into the impact of inherited ataxias on motor control and disease severity.
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