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Updated: Sep 13, 2025
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Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients
Published on: May 17, 2020
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Exploring the relationship between static and dynamic balance performance through the same center-of-pressure
A Rizzato1, A Paoli1, Giuseppe Marcolin2
1Department of Biomedical Sciences, University of Padova, Via Marzolo, 3, Padua, 35131, Italy.
BMC Sports Science, Medicine & Rehabilitation
|July 31, 2025
Summary
Static and dynamic balance in healthy adults showed no significant correlation. Quadriceps rate of force development influences dynamic balance, suggesting separate assessments are needed for comprehensive evaluation.
Area of Science:
- Biomechanics
- Human Physiology
- Motor Control
Background:
- Postural control involves complex systems, making balance assessment challenging.
- Heterogeneity in dynamic balance tasks complicates evidence interpretation.
- This study addresses the need for clearer understanding of static vs. dynamic balance relationships.
Purpose of the Study:
- To investigate the correlation between static and dynamic balance using identical center-of-pressure (COP) parameters.
- To explore the relationship between dynamic balance and quadriceps strength/power.
- To provide insights for comprehensive balance assessments in healthy adults.
Main Methods:
- Thirty-two healthy adults underwent static (upright standing) and dynamic (unstable board) balance tests using a force plate.
- Center-of-pressure parameters (95th percentile ellipse area and mean velocity) were analyzed for both conditions.
- Isometric quadriceps strength and rate of force development (RFD) were measured.
Main Results:
- No statistically significant correlations were found between static and dynamic balance for Area95 or MeanVelocity.
- Rate of force development (RFD) in the 100-150 ms window was the sole significant predictor of dynamic balance performance (Area95 and MeanVelocity).
Conclusions:
- Static and dynamic balance performance appear independent in healthy adults.
- Both static and dynamic balance assessments are crucial for a thorough evaluation.
- Quadriceps RFD is a key factor in dynamic balance, highlighting its importance in functional movements.
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