Stephen J. Schueler, M.D.

Knee Sprain Types

The type of knee sprain is determined by the ligament that is injured. The most common types of sprains are to the medial collateral ligament and anterior cruciate ligament.

Knee sprains may cause injury to the:


Knee sprains may also be graded, according to the severity of the injury to the ligament.

The three grades of knee sprain include:
  • Grade 1 knee sprain:
    • Mild stretch of the ligaments
  • Grade 2 knee sprain:
    • Partial tear of the ligament
  • Grade 3 knee sprain:
    • Complete tear of the ligament

Continue to Knee Sprain Anatomy

Last Updated: Dec 17, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Knee Sprain References
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