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Original Article
- Gait Instability and Compensatory Mechanisms in Parkinson’s Disease Patients With Camptocormia: An Exploratory Study
- Hideyuki Urakami, Yasutaka Nikaido, Yuta Okuda, Yutaka Kikuchi, Ryuichi Saura, Yohei Okada
- J Mov Disord. 2025;18(2):127-137. Published online December 27, 2024
- DOI: https://doi.org/10.14802/jmd.24226
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- 2 Crossref
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Abstract
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Supplementary Material - Objective
Camptocormia contributes to vertical gait instability and, at times, may also lead to forward instability in experimental settings in Parkinson’s disease (PD) patients. However, these aspects, along with compensatory mechanisms, remain largely unexplored. This study comprehensively investigated gait instability and compensatory strategies in PD patients with camptocormia (PD+CC).
Methods
Ten PD+CC patients, 30 without camptocormia (PD-CC), and 27 healthy controls (HCs) participated. Self-paced gait tasks were analyzed using three-dimensional motion capture systems to assess gait stability as well as spatiotemporal and kinematic parameters. Unique cases with pronounced forward gait stability or instability were first identified, followed by group comparisons. Correlation analysis was performed to examine associations between trunk flexion angles (lower/upper) and gait parameters. The significance level was set at 0.05.
Results
Excluding one unique case, the PD+CC group presented a significantly lower vertical center of mass (COM) position (p=0.019) increased mediolateral COM velocity (p=0.004) and step width (p=0.013), compared to the PD-CC group. Both PD groups presented greater anterior‒posterior margins of stability than did the HCs (p<0.001). Significant correlations were found between lower/upper trunk flexion angles and a lower vertical COM position (r=-0.690/-0.332), as well as increased mediolateral COM velocity (r=0.374/0.446) and step width (r=0.580/0.474).
Conclusion
Most PD+CC patients presented vertical gait instability, increased fall risk, and adopted compensatory strategies involving greater lateral COM shift and a wider base of support, with these trends intensifying as trunk flexion angles increased. These findings may guide targeted interventions for gait instability in PD+CC patients. -
Citations
Citations to this article as recorded by
- Immediate Effects of a Jewett Brace on Posture and Dynamic Balance in Parkinson’s Disease-Associated Camptocormia: A Case Report
Chisato Nakamoto, Kyota Bando, Yohei Mukai, Yuji Takahashi, Kazuhiko Seki, Takatoshi Hara
Cureus.2026;[Epub] CrossRef - How are we representing the trunk? A narrative review on marker sets for kinematics analysis of neurological conditions.
María B. Sánchez, Alberto Javier Fidalgo-Herrera, Bruno Mazuquin
Clinical Biomechanics.2026; 137: 106843. CrossRef
- Immediate Effects of a Jewett Brace on Posture and Dynamic Balance in Parkinson’s Disease-Associated Camptocormia: A Case Report
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