Thessaly test

Thessaly test is used to detect lateral or medial meniscal tears/lesions of the knee joint.
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 Thessaly test

What is Thessaly test?

  • Thessaly test is used to detect lateral or medial meniscal tears / lesions of the knee joint.

How it's Performed?

  • The patient stands flat footed on one leg while the examiner supports the patient by holding their outstretched hands.
  • The patient then flexes the knee to 5° and rotates the femur on the tibia medially and laterally three times, while maintaining the 5° flexion.
  • The test is then repeated at 20° flexion.

What does a positive Thessaly test mean?

Positive Thessaly test:

  • The test is considered positive for a meniscus tear if the patient experiences medial or lateral joint line discomfort or a sense of locking/ catching in the knee.

Sensitivity & Specificity

  • Sensitivity: 64-66 %
  • Specificity: 39-53 %


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