The Foot Function Index is a commonly used outcome measure of the effect of foot problems and disorders on function. Curated Resources: https://podiatryarena.com/index.php?threads/foot-function-index.18076/ (Podiatry Arena) https://podiatryarena.com/index.php?threads/the-foot-function-index-revisited.2448/ (Podiatry Arena) http://podiapaedia.org/wiki/research/outcome-measures/foot-function-index/