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What Do You Know About Knee Injury?

Your knees are complex joints. That makes them vulnerable to injury. Learning how to prevent knee injuries and treating them if they occur can help you stay active at work and play. Test your knowledge of knees by taking this quiz.

1. Ligaments connect muscles to bones.
2. The knee has 7 ligaments.
3. You may hear a popping sound when a knee ligament is injured.
4. The anterior cruciate ligament (ACL) is most often injured by lifting something heavy.
5. Which test is not used to diagnose a knee ligament injury?
6. A knee ligament can be repaired with a surgery called:
7. The ACL can be rebuilt with a piece of your own knee or leg tendon.