Most common
Due to inversion of plantarflexed<unk> 
Anterior talofibular ligament (ATFL) is most commonly injured ligament
Isolated<unk>  is unusual; often associated with fibular fracture or syndesmosis injury
Always rule-out Maisonneuve fracture by evaluating proximal fibula
Associated with with hyperdorsiflexion when talus moves superiorly and separates tibia/fibula
Pain just above talus
Ankle sprain
Elbow dislocation
Ankle dislocation
Ankle syndesmosis injury
Humerus fracture
Radiograph-negative ankle injury 
Patella fracture
Tibial plateau fracture