The Prevalence of Directional Preference in the Lumbar Stenosis Population

Inclusion Criteria

• •Neurogenic claudication (pain in the buttock, thigh, or leg during ambulation) or radicular leg symptoms with associated neurological deficits on the physical examination for at least 12 weeks.
• •Confirmatory cross-sectional magnetic resonance imaging (MRI) or computed tomography (CT) imaging demonstrating the presence of either central or lateral lumbar spinal stenosis at one or more levels was required.
• •Age \>48 years old
• •Willing and able to consent
• •Scheduled to receive physical therapy that includes the collection of patients outcomes, functional tests, and may include the conduct of a two-stage treadmill test