in·ju·ry 
/ˈɪnʤəri/ noun
plural in·ju·ries /ˈɪnʤəri/ noun : harm or damage : an act or event that causes someone or something to no longer be fully healthy or in good condition [noncount] ▪ Hikers need to take sensible precautions to prevent injury. ▪ She's concerned about the risk of injury to her reputation. ▪ The team has been weakened by illness and injury. ▪ Careless use of these tools can cause serious bodily injury. ▪ She survived the accident without injury. ▪ an athlete who is injury-prone [=an athlete who is frequently injured] [count] ▪ She fell and suffered an injury to her arm. ▪ His athletic career has been slowed by injuries. ▪ minor/serious/severe injuries
add insult to injury — see 2insult
do yourself an injury
chiefly Brit : to hurt yourself : to become injured because of your own actions
▪ If you keep on lifting those heavy weights, you'll do yourself an injury.
▪ If you keep on lifting those heavy weights, you'll do yourself an injury.
