sprain

Noun

• a painful injury to a joint caused by a sudden wrenching of its ligaments

Verb

• twist suddenly so as to sprain
  • wrench one's ankle
    
  • The wrestler twisted his shoulder
    
  • the hikers sprained their ankles when they fell
    
  • I turned my ankle and couldn't walk for several days
    

Related words

• Synonyms: 
  twist , wrench , turn , wrick , rick