Presentations

Lumbar spinal stenosis is introduced through the broader group of lumbar radicular syndromes, with a clear focus on radicular claudication. Learners are guided through how to distinguish radicular pain, radiculopathy, and radicular claudication, including the key symptoms patients report and the neurological findings that may or may not be present. A major emphasis is placed on the typical presentation of radicular claudication caused by degenerative lumbar spinal stenosis: leg symptoms brought on by standing and walking, relief with sitting or bending forward, and possible exertional numbness, pins and needles, or night cramps. The age profile, prognosis, and common risk factors are also outlined, helping clarify when this diagnosis is more or less likely. The overview also explains that radiculopathy is primarily a loss-of-function problem rather than a pain problem, with attention to sensory loss, weakness, and reflex changes in myotomal patterns. Finally, an important differential diagnosis is covered: vascular claudication from peripheral arterial disease, including how its exertional leg pain differs from spinal stenosis and which cardiovascular risk factors should raise suspicion.