When performing the straight leg raise test, which symptom is most commonly reproduced if a radiculopathy is present?

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The straight leg raise test works by stretching the lumbosacral nerve roots to see if nerve irritation is provoking symptoms. When radiculopathy is present, lifting the leg tensions the affected nerve roots, typically producing pain that travels down the leg along the sciatic distribution. This radiating leg pain is the most specific sign of nerve root irritation from a problem like a lumbar disc herniation. Back pain alone can come from muscle or facet issues and isn’t as specific for nerve involvement; numbness in the toes only isn’t the usual dominant symptom during this maneuver, and no pain would indicate the test is negative for radicular irritation. The hallmark is leg-dominant radicular pain reproduced with the maneuver.