Achilles Tendon Injury: Calf Test

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Achilles Tendon Injury: Calf Test

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The calf squeeze test (also called the Thompson or the Simmond's test) can identify an Achilles tendon rupture. While you are kneeling on a chair with your legs hanging over the edge, or lying face down with your lower legs bent up 90 degrees, your doctor will squeeze your calves.

  • If the Achilles tendon is still attached, your foot will flex downward.
  • If the tendon is ruptured, your foot will not move.
  • If there is a partial tear, the calf squeeze test may be normal.

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By Healthwise Staff
Primary Medical Reviewer Anne C. Poinier, MD - Internal Medicine
Specialist Medical Reviewer David Bardana, MD, FRCSC - Orthopedic Surgery, Sports Medicine
Last Revised March 14, 2011

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