Step 1 → Musculoskeletal, Skin, and Connective Tissue Sprains and Ligament InjuriesPreview this topic sectionPreview the conditions. Plans unlock the full Step 1 details when you need them. Free Biochemistry Free Microbiology Plans Sprains and Ligament Injuries conditions Ankle Sprain (Anterior Inferior Tibiofibular Ligament) Ankle Sprain (Anterior Talofibular Ligament) Anterior Collateral Ligament Tear Lateral Collateral Ligament Injury Medial Collateral Ligament Injury Posterior Collateral Ligament Injury