Certain symptoms are unique depending on the underlying cause of the sciatica. For example, bending the body backward or walking more than a short distance often triggers symptoms when spinal stenosis is the cause. Bending the body forward may trigger symptoms if the cause is a lumbar herniated disc. Sciatica Symptoms for Each Nerve Root
Wiktionary(4.00 / 1 vote)Rate this definition: 1  repugnant(Adjective) Offensive or repulsive; arousing disgust or aversion. 2  repugnant(Adjective) Opposed or in conflict.
The definition of impugn is to question the truthfulness or validity of a statement. An example of impugn is when you call someone out on what you believe to be a lie. Obs. to attack physically. to attack by argument or criticism; oppose or challenge as false or questionable.