Mobile Manual Standing Wheelchair for SCI

Inclusion Criteria: * United States Veteran * SCI or stable disorder/dysfunction of the spinal cord * Tolerates manual wheelchair use on a regular basis * Sufficient hand \& arm function to operate manual standing wheelchair * Unable to stand independently without support * Greater than 6 months post-injury (SCI), or 6 months post diagnosis (disorder/dysfunction) * Weight less than 125 kg (275 lbs) * Age 18 or older * Decisional competency to provide consent and cognitive ability to participate fully in study procedures * Body size appropriate to fit the devices * Not involved in another study related to mobility * Identify an appropriate location for use of the study wheelchair Exclusion Criteria: * Contraindication for standing including lower limb contractures, uncontrolled hypertension, uncontrolled spasticity, etc. * Unhealed lower-limb fractures * Unstable lower-limb joints * An active grade 2 or greater pressure injury that can be worsened by standing in the device * Flap procedure to address pressure injury less than one year earlier * Not able to propel a manual wheelchair or operate the sit-to-stand mechanism (e.g. weakness, or discomfort) * Low bone mineral density (BMD), defined by total hip DXA more than 3.5 SD below peak and/or distal femur/proximal tibia BMD below 0.6 g/cm2. (Low BMD at any site will be ineligible). * Unable to obtain clinically acceptable seating system for study wheelchairs * Unable to build up standing tolerance within the first eight vis…