TY - JOUR AU - Postacchini, F AU - Cinotti, G AU - Gumina, S DO - doi:10.1302/0301-620X.75B5.8376453 UR - https://doi.org/10.1302/0301-620X.75B5.8376453 TI - The knee flexion test: a new test for lumbosacral root tension T2 - The Journal of Bone & Joint Surgery British Volume VL - 75-B IS - 5 PY - 1993 SP - 834 EP - 835 ER -