The Activities-specific Balance Confidence Scale is a relatively recent self-report survey instrument used to quantify balance confidence. Given the importance of balance confidence to overall function, societal involvement, and general health, there is great value in the ability to quantify this confidence and changes that occur to it following targeted clinical interventions. The ABC was administered to our case subject immediately before and shortly after a significant alteration to his prosthesis; his initial ABC score of 69 was increased 30% to 89. Although larger cohort studies are needed, the ABC is suggested as an easily administered but effi-cient means to quantify changes in balance confidence among the lower-extremity amputee population following targeted interventions.
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