The ankle joint is a crucial part of our body that allows us to walk, run, jump, and move around. It helps to keep our feet stable and balanced. There are several synonyms or alternative words used to refer to the ankle joint. They include the tarsus, the subtalar joint, the talocrural joint, and the foot joint. The tarsus refers to the collective group of bones that make up the ankle and surrounds the heel bone. The subtalar joint refers to the joint between the heel bone and the ankle bone. The talocrural joint is the joint responsible for dorsiflexion (upward movement) and plantarflexion (downward movement) of the foot. Lastly, the foot joint is a general term used to refer to any joint that connects the foot to the rest of the leg.