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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.
Lateral knee ligament sprain explained. The lateral ligament or lateral collateral ligament or LCL for short connects the femur or thigh bone to the top of the fibula bone in the lower leg. The ligament itself is a narrow strong cord of collagen fibers and its function is to provide stability to the outside of the knee.he ligament is most commonly injured in sports by a direct impact to the inner surface of the knee joint, such as by a rugby or a football tackle. A lateral ligament sprain is less common than those affecting the medial collateral ligament which commonly occur as a result of trauma to the outside of the knee.