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ABC Scale

Issue the ABC Scale to assess an individual’s confidence in their own balance when doing certain activities that involve walking or maintaining balance.

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By Matt Olivares on Aug 2, 2025.

Fact Checked by Ericka Pingol.

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'Complete confidence' on the ABC Scale is when an individual feels 100% sure they will not lose balance or fall while performing different activities, from simple ones like standing up from a chair to more complex ones like walking outside on uneven surfaces.

The ABC Scale measures criterion validity by comparing its results with other recognized balance tests and measures. For instance, it might compare ABC scores with the results from the Berg Balance Scale or the Falls Efficacy Scale.

The overall score of the ABC Scale represents an individual's level of balance confidence. It is calculated by averaging all the scores from each activity on the scale, with a higher score indicating a greater sense of balance confidence. Following the cutoff scores, individuals can be classified into low, moderate, or high-balance confidence categories.

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