The sustentaculum tali is a bony protuberance found in the foot. It's often referred to as the "calcaneal shelf," and it helps support the weight of the heel bone and the leg bones. Some other synonyms for sustentaculum tali include the "talar ledge," "talar process," and "medial process of calcaneus." It's an important part of the foot anatomy and helps maintain stability when walking or running. Understanding the various names for the sustentaculum tali can help medical professionals communicate more effectively with one another and ensure that patients receive proper care for foot and ankle injuries.