Thessaly Test
Other Names
- Thessaly’s Test
- Merke's Sign Test
Purpose
- Evaluate the Medial Meniscus and Lateral Meniscus as a cause of knee pain
Description
- The examination should be performed first on the unaffected limb to familiarize patient with test
- The patient is standing on affected leg with knee flexed to 5° - 20°
- Examiner and/or examination table can be used to help patient maintain balance.
- The patient then internally and externally rotates their knees 3-4 times
- This can be repeated at both 5° and 20°
- Positive test is pain
Pathology
Evidence
- Medial Meniscus
- Sensitivity: 66% - 89% [3]
- Specificity: 96% - 97%
- LR+: 16.5 - 29.67
- LR-: 0.11 - 0.35
- Lateral Meniscus
- Sensitivity: 81% - 92%
- Specificity: 91% - 96%
- LR+: 9 - 23
- LR-: 0.21 - 0.21
See Also
References
- ↑ Image courtesy of uptodate.com and Bret Jacobs, DO
- ↑ Antunes, Leonardo Côrtes, et al. "Evaluation of clinical tests and magnetic resonance imaging for knee meniscal injuries: correlation with video arthroscopy." Revista brasileira de ortopedia 52.5 (2017): 582-588.
- ↑ Karachalios T, Hantes M, Zibis AH, Zachos V, Karantanas AH, Malizos KN. Diagnostic accuracy of a new clinical test (the Thessaly test) for early detection of meniscal tears. J Bone Joint Surg Am. 2005;87(5):955-962.
Created by:
John Kiel on 13 August 2019 03:16:15
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Last edited:
24 May 2025 16:22:46
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