Abstract
The femoral nerve stretch test (FNST) is commonly used to assess high lumbar radiculopathy. It may be falsely positive secondary to tight or injured muscles of the anterior thigh, and to osseous or joint pathology in and about the hip. We report on the crossed FNST, which may improve the specificity of the FNST. Two cases that occurred within 2 months are presented. The physical examinations suggested high lumbar radiculopathy, which was confirmed by both the FNST and crossed FNST. The crossed FNST may thus be a valuable screening test that further supports a diagnosis of upper lumbar radiculopathy. Further study is necessary to identify its prevalence in the assessment of the high lumbar radiculopathy.
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