gait abnormality rating scale gait abnormality rating scale gait abnormality rating scale (gars) is a videotape-based analysis of 16 facets of human gait. it has been evaluated as a screening tool to identify patients at risk for injury from falls. and has been used in remote gait evaluation. a modified version was published in 1996. gait abnormality rating scalepurposeevaluate individuals who are a risk to fall scoring and assessment the scale comprises three categories: five general facets four lower extremity facets seven trunk, head and upper extremity facets each item has a score range from 0 (good function) to 3 (poor function). the total gars score is the sum of the 16 individual facets, and the total score represents a rank ordering of risk for falling, based on the number of gait abnormalities recognized and the severity of any gait abnormality identified.