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Pirjo Kejonen, Kari Kauranen, Ahti Niinimaa and Heikki Vanharanta

Context:

Balance evaluation and training are typically included in rehabilitation after sport injuries.

Objective:

To evaluate and compare the maximal velocities and accelerations of balancing movements during 2-leg stance with eyes open and closed. The effect of age on the measured values was also evaluated.

Design:

Cross-sectional study.

Participants:

100 healthy, randomly selected subjects (50 men, 50 women; age 31–80 years).

Setting:

Body-movement values were measured with the Mac Reflex motion-analysis system.

Intervention:

Subjects stood barefoot.

Main Outcome Measures:

ANOVAs were used to explain the body movements. The location of measurement, presence or absence of vision, and subjects’ age and gender were used as explanatory variables.

Results:

With eyes closed, all measured body parts had significantly higher maximal velocity and acceleration values than with eyes open. Age seemed to affect the acceleration values.

Conclusion:

Visual information was found to significantly influence movement values. Exercises should be done under various conditions to improve standing balance abilities.