Figure 6: Schematic illustration depicting transforaminal and extraforaminal ligaments: corporopedicular 1: superior and 2: inferior ligament; 3: Superior transforaminal ligament; 4: mid-transforaminal ligament; 5: inferior transforaminal ligament; costotransverse 6: superior and 7: inferior ligament; 8: spinal nerve located in the extraforaminal space