Muscle Function and Pelvic Stability While Walking in Patients With Symptomatic Lumbar Spinal Stenosis

Participant's level of low back pain and the extent to which the pain impacts his/ her daily life activities and social life are estimated with the standardized Oswestry Disability Index questionnaire

walking back and forth at a self-selected pace along a hallway at the University Hospital until the onset of claudication, pain or until reaching the time limit of 30 minutes. Kinematic and electromyographic (EMG) data will be recorded every 3 minutes.