People can tear their ACLs in a variety of ways. It can occur from high impact sports like motocross or karate, or doing mundane things like walking down stairs or hopping out of bed. Videos actually show athletes tearing their ACLs, not for faint of heart, but give you an idea of how it happens and what it’s like.
How most people tear their ACL
(From December 2010 survey)
The ‘other’ group contained random activities, such as:
Training with marines
Jumped off truck tailgate
We look forward to hearing your story on how you hurt your knee…