Inclusion Criteria:  At least 18 years of age non-progressive SCI stable medical condition Inability to stand and step independently unable to voluntarily move all individual joints of the legs no current anti-spasticity medication regimen must not have received botox injections in the prior six months Bladder dysfunction as a result of SCI SCI between T1 and T10 no greater than 1 year post injury  Exclusion Criteria:  ventilator dependent untreated painful musculoskeletal dysfunction, fracture or pressure sore untreated psychiatric disorder or ongoing drug abuse cardiovascular, respiratory, bladder, or renal disease unrelated to SCI pregnant at the time of enrollment or planning to become pregnant during the time course of the study.