McMurray test
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The McMurray test, also known as the McMurray circumduction test is used to evaluate individuals for tears in the medial meniscus of the knee. In order to perform the test, the knee is flexed to ninety degrees. The examiner then places one hand on the lateral side of the knee to stabilize the joint and provide a valgus stress. The other hand rotates the foot externally while extending the knee. If pain or a "click" is felt, this constitutes a "positive McMurray test." The sensitivity of the McMurray test for medial meniscus tears is 53% and the specificity is 59%. The McMurray test is named after Thomas Porter McMurray, a British orthopedic surgeon from the late nineteenth and early twentieth century.
[edit] References
- The rational clinical examination. Does this patient have a torn meniscus or ligament of the knee? Value of the physical examination. JAMA. 2001 Oct 3;286(13):1610-20. Review. PMID 11585485.
- McMurray TP. The semilunar cartilages. Br J Surg 1942; 29:407-14.
