Wheelchair users (over 5 Million) are prone to develop Pressure Ulcers (PU), especially Tetraplegic Spinal Cord Injury (T-SCI, 114.000) as they do not dispose of the natural mechanisms for prevention. T-SCI lack of pain perception, motor control, reduced tissue viability and alterations on the ANS affecting basal tissue status and response (hyperemia).Suffering a PU affects negatively health, need ...