Thessaly Test Special Test

What is it used for?

• Dynamic reproduction of meniscal loading (considered more accurate than McMurray's).

How to Perform

• Position: Patient stands on the affected leg (flat foot). Examiner holds hands for balance.
• Action: Patient flexes knee to 20°.
• Movement: Patient rotates their body/femur internally and externally 3 times.

Interpretation of Results

• Positive Test: Medial or lateral joint line discomfort, or a sense of locking/catching.

Diagnostic Accuracy

• Sensitivity: 89%
• Specificity: 97%

References

• Magee, D. J. (2021). Orthopedic Physical Assessment.