- Range of motion (ROM) restrictions that would prevent a patient from achieving a normal, reciprocal gait pattern, or would restrict a patient from completing normal sit-to-stand or stand-to-sit transitions Spinal instability Untreated deep vein thrombosis (DVT) Decreased standing tolerance due to orthostatic hypotension Significant osteoporosis that prevents safe standing or may increase the risk of fracture caused by standing or walking Uncontrolled spasticity - score of 3 or higher on modified Ashworth Scale Uncontrolled Autonomic Dysreflexia (AD) Skin integrity issues on contact surfaces of the device or on surfaces that would prohibit sitting (sacrum, greater trochanter, proximal tibia)