Inclusion Criteria

Exclusion Criteria

・ Diagnosis ACL Deficiency by Consultant Orthopedic Surgeon.

・ Positive Lachman Test.

・ Planned Endoscopic ACL Reconstructive Surgery with Hamstring Autograft (January 2014 to November 2014).

・ Any associated ipsilateral ligament injury requiring surgery.

・ Previous ipsilateral knee ligament injuries.

・ Patient refusal of participation.

・ Inability to consent.

・ Withdrawal from study.

・ Current injury or past surgery to contralateral knee for comparisons to contralateral leg.

・ Concurrent surgical procedure known to affect anterior laxity of the knee.