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Anterior Cruciate Ligament Injury
|Anterior Cruciate Ligament Injury|
|Copyright © Nucleus Medical Media, Inc.|
- Sudden stops or changes in direction
- Sidestepping or pivoting
- Direct contact
- Weak knee structure
- Muscle strength imbalance between the quadriceps and hamstrings
- Playing sports that require sudden changes of direction and deceleration
- Use of incorrect technique for cutting, planting, pivoting, or jumping
- A popping sound at the time of the injury
- Pain and swelling in the knee
- Loss of full range of motion
- Weakness or instability in the knee
- Difficulty walking
- Grade 1—Mild ligament damage.
- Grade 2—Partial tearing of the ligament.
- Grade 3—Complete tearing of the ligament.
- Do not do activities that cause pain. This includes running, jumping, and weight lifting using the legs.
- Do not play sports until your doctor has said it is safe to do so.
- Over-the-counter medication, such as ibuprofen or acetaminophen
- Topical pain medication—creams or patches that are applied to the skin
- Prescription pain relievers
- Plyometrics , a form of jumping exercises, can be used to train and strengthen the leg muscles for jumping and landing.
- When jumping and landing or turning and pivoting, your hips and knees should be bent, not straight.
- Strengthen both the quadriceps and the hamstrings.
- Maintain proper technique when exercising or playing sports.
American Academy of Orthopaedic Surgeons http://orthoinfo.org
American Orthopaedic Society for Sports Medicine http://www.sportsmed.org
Canadian Orthopaedic Association http://www.coa-aco.org
Canadian Orthopaedic Foundation http://www.canorth.org
Anterior cruciate ligament (ACL) injury. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated February 13, 2014. Accessed February 28, 2014.
Anterior cruciate ligament injuries. American Academy of Orthopaedic Surgeons website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00549. Updated March 2009. Accessed February 28, 2014.
Anterior cruciate ligament injuries: treatment and rehabilitation. Encyclopedia of Sports Medicine and Science website. Available at: http://sportsci.org/encyc/aclinj/aclinj.html. Updated April 18, 1998. Accessed February 28, 2014.
ACL Injury: Does It Require Surgery? American Academy of Orthopaedic Surgeons website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00297. Updated September 2009. Accessed February 28, 2014.
Griffin LY, Agel J, et al. Noncontact anterior cruciate ligament injuries: risk factors and prevention strategies. J Am Acad Orthop Surg. 2000;8:141-150.
Knee sprains and meniscal injuries. Merck Manual for Health Care Professionals. Available at: http://www.merckmanuals.com/professional/injuries%5Fpoisoning/fractures%5Fdislocations%5Fand%5Fsprains/knee%5Fsprains%5Fand%5Fmeniscal%5Finjuries.html. Updated August 2013. Accessed February 28, 2014.
Ligament injuries to the knee. John Hopkins Medicine website. Available at. http://www.hopkinsmedicine.org/healthlibrary/conditions/adult/orthopaedic%5Fdisorders/ligament%5Finjuries%5Fto%5Fthe%5Fknee%5F85,P00926/. Accessed February 28, 2014.
7/6/2009 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Prodromos CC, Han Y, et al. A meta-analysis of the incidence of anterior cruciate ligament tears as a function of gender, sport, and a knee injury-reduction regimen. Arthroscopy. 2007;23:1320-1325.
- Reviewer: Teresa Briedwell, PT, DPT
- Review Date: 02/2014
- Update Date: 02/28/2014