The foot is where movement begins, from the initiating of simple functional movements such as sit to stand or walking, to climbing stairs, to more complex dynamic sport movements such as playing soccer, football, rugby, and tennis. The ankle and foot complex require proper mobility in order for the body to initiate movement or change direction. In this article, we will review the anatomy of the ankle, common injuries to the ankle, functional assessments and training strategies to work with clients with previous injuries.