Use Of Gigstride Device In Patients With Lower Extremity Deficit

Inclusion Criteria: * Male or female, age \> 18 * Has undergone treatment for a lower extremity mobility deficit, with one of the following causatives Principal Diagnoses Osteoarthritis hip, knee, spine Pre or post hip replacement Pre or post knee replacement Multiple Sclerosis Mild to moderate central spinal stenosis Foot drop Degenerative changes, not otherwise specified Balance issues * Recommended cane, brace, walker, Ankle Foot Orthoses, or electronic or robotic device for management * Provide written consent for participation. * Ability to wear shoes with laces Exclusion Criteria: * Inability to walk. * Shoulder operation within 1 year preceding the study date. * Injury due to a work accident (e.g. workers comp) * Higher functions do not enable proper comprehension of protocol or reliable data recording.