The anterior talofibular ligament (ATFL) is a key ligament located in the ankle. It connects the talus bone to the fibula, providing stability to the ankle joint. The ATFL is particularly important in preventing excessive forward movement of the talus, which can occur during activities like running or jumping. Injuries to the ATFL are common, especially in sports that involve quick changes in direction. A sprain can result from twisting the ankle, leading to pain, swelling, and difficulty walking. Proper rehabilitation is essential for recovery and to prevent future injuries to the ankle.