McMurray Test for Meniscus Injury The McMurray test is probably the most common test in order to assess for meniscal tears. The test is designed to stress the posterior horn of the menisci. In external rotation, the posterior horn of the medial meniscus is compressed by the medial femoral condyle and internal rotation compresses the lateral meniscus by the femoral condyle. Kim et al. (1996) describe the paradoxical McMurray test, which means that the McMurray can also be positive in external rot