INTRODUCTION Osteoarthritis (OA) is a prevalent, chronic, progressive, and disabling joint disease that imposes a remarkable global health burden with notable implications for the individuals affected, health care systems, and wider socioeconomic costs.1, 2 Foot OA results in functional limitations and significant impairments in balance, strength, and locomotor ability and negatively impacts work ability.3 However, the feet are often overlooked as a site of involvement relative to other...