Who is affected by anterior cruciate ligament (ACL) injuries?

Anterior cruciate ligament (ACL) injuries occur in about 1 out of every 3,000 people. 1

  • 70% of ACL injuries occur during a sporting activity.1
  • Most ACL injuries occur in people between 15 and 44 years of age.2
  • More women than men have ACL injuries; in sports, women injure their ACLs 4 to 6 times as often as men.1

Experts do not know the incidence of ACL injuries in children. One study indicated that 1 in 200 children under age 12 has had an ACL injury.3



Author: Douglas Dana
Robin Parks, MS
Last Updated: September 8, 2006
Medical Review: William M. Green, MD - Emergency Medicine
Adam Husney, MD - Family Medicine
David Bardana, MD, FRCSC - Orthopedic Surgery/Sports Medicine
Kathie Hummel-Berry, PT, PhD - Physical Therapy
Patrick J. McMahon, MD - Orthopedics

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