5-18% of all ankle sprains injure the distal tibiofibular<unk>  
Highly unstable if the deltoid ligament is injured as well
Mechanism is via external rotation and hyperdorsiflexion
Associated with Maisonneuve fracture
Ankle syndesmosis injury
Ankle sprain
Degloving injury
Ankle dislocation
Acromioclavicular joint injury
Ankle fracture
Radiograph-negative ankle injury 
Ankle fracture 