Why is the ACL so easy to tear?

Related questions

1. What happens if ACL is not repaired?
2. Does a torn ACL hurt all the time?
3. Is a torn ACL painful?
4. How soon can I walk after ACL surgery?
5. Are girls more likely to tear their ACL?
6. Can an ACL tear heal without surgery?
7. What happens if a torn ACL goes untreated?
8. Are ACL tears more common now?
9. Does ACL tear require surgery?
10. What if ACL is not repaired?

Tags

1. #athlete
2. #posterior
3. #injuries
4. #backward
5. #ligament
6. #usually
7. #circumstances
8. #moment
9. #movement
10. #under
11. #tibia
12. #wrong
13. #cruciate
14. #would
15. #forced
16. #sports
17. #tears
18. #rotated
19. #because
20. #multiplying
21. #forces