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A member asked:
How does landing on a straight leg tear your acl? if you jump down 4 steps on a straight knee can you tear your acl? how much force is needed?
A doctor has provided 1 answer
Force overload: Acl injuries commonly occur with a non contact rotational motion on a planted extremity. Could occur from a jump down stairs if force exceeds what the knee can tolerate.
Answered 7/12/2019
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