McMurray's sign | definition of McMurray's sign by Medical dictionary
McMurray's sign [mik-mur´ēz]
occurrence of a cartilage click during manipulation of the knee; indicative of meniscal injury.
Etymology: Thomas P. McMurray, English surgeon, 1887-1949
an audible click heard when rotating the tibia on the femur, indicating injury to meniscal structures.
Testing for McMurray's sign
References in periodicals archive
Assuming a 9% prevalence of meniscal tears among all knee injuries (a rate reflecting national primary care data), the posttest probability that a patient with McMurray's sign
has a meniscal injury ranges from <30% to 63% (strength of recommendation [SOR]: B).