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The relationship between trunk position sense and postural control in ataxic individuals
Özge Onursal Kılınç1, Ender Ayvat1, Fatma Ayvat1
1Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey.
Gait & Posture
|December 15, 2018
Summary
Ataxic patients have impaired trunk position sense, which significantly impacts their postural control and functional balance. This highlights the importance of trunk proprioception in ataxia rehabilitation strategies.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Biomechanics
Background:
- Proprioception is crucial for postural control in ataxic patients, often more so than visual or vestibular input.
- The specific link between trunk proprioception and postural control in ataxia requires further investigation.
- Understanding this relationship may offer novel approaches to ataxia rehabilitation.
Purpose of the Study:
- To investigate the relationship between trunk position sense and postural control in individuals with ataxia.
- To compare trunk position sense and postural control between ataxic and healthy individuals.
Main Methods:
- Twenty ataxic and 20 healthy participants were assessed.
- Postural control was evaluated using Computerized Dynamic Posturography (Sensory Organization Test, Limits of Stability Test, Unilateral Stance Test) and the Berg Balance Scale.
- Trunk position sense was measured using a digital inclinometer.
Main Results:
- Ataxic individuals exhibited greater trunk repositioning error compared to healthy individuals.
- Ataxic individuals scored lower on clinical and objective postural control tests.
- Trunk position sense was significantly correlated with sensory integration, postural sway, limits of stability, and functional balance (p < 0.05).
Conclusions:
- Impaired postural control in ataxia is influenced by both motor and sensory deficits.
- Trunk position sense impairment is more pronounced in ataxic individuals and affects multiple aspects of postural control.
- Addressing trunk proprioception deficits is essential for improving postural control and functional outcomes in ataxia.
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