What is the femoral nerve stretch test

Femoral nerve stretch test (Mackiewicz sign) - for the FNST the patient lies prone, the knee is passively flexed to the thigh and the hip is passively extended. The prone knee bending test is a neural tension test used to stress the femoral nerve and the mid lumbar (L2-L4) nerve roots. Pain following the femoral nerve or the mid lumbar roots (Lower back area, anterior thigh) can direct the clinician to entrapment of the nerve and L2-L4. Femoral nerve stretch test (Mackiewicz sign[1]) - for the FNST the patient lies prone, the knee is passively flexed to the thigh and the hip is passively extended .

J Bone Joint Surg Br. Jan;71(1) Ipsilateral sciatica on femoral nerve stretch test is pathognomonic of an L4/5 disc protrusion. Christodoulides AN(1). Arch Phys Med Rehabil. Apr;82(4) The crossed femoral nerve stretch test to improve diagnostic sensitivity for the high lumbar radiculopathy: 2 case. The femoral stretching test is a valuable sign in diagnosing upper lumbar nerve root lumbar spine 9 nerve root pain 9 intervertebral disc herniation.

disc protrusion, ipsilateral sciatica was induced by the femoral nerve stretch test. We believe that this is a pathognomonic sign of a lateral protrusion at IA/S level. Nadler SF, Malanga GA, Stitik TP, Keswani R, Foye PM. The crossed femoral nerve stretch test to improve diagnostic sensitivity for the high lumbar. 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.