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An injury to the anterior talofibular ligament (ATFL) is the most common type of lateral ankle sprain. The ATFL connects the talus (ankle bone) to the fibula. Anterior talofibular ligament sprain symptoms include pain or soreness, swelling, difficulty walking, bruising, and stiffness in the joint.
Anterior Cruciate Ligament (ACL) Tear. The Anterior Cruciate Ligament (ACL) is a strong ligament inside the knee that connects the thighbone (femur) to the shinbone (tibia). It may become torn, resulting in instability of the knee. Falls that cause the knee to twist or pivot. Rapid deceleration or pivoting in sports.