Inclusion Criteria:  Either new or established stage 1 or 2 sacral or ischial pressure ulcer in the ICU environment. Participants capable of giving informed consent, or if propitiate, participants having an acceptable individual capable of giving consent on the participant's behalf.  Exclusion Criteria:  Existing pressure injuries above Stage II and injuries classified as DTI or unstageable Continuous neuromuscular blocking drugs & myasthenia gravis: may prevent the ability of electrical stimulation to induce muscular contraction Unstable spinal, pelvic, or hip fractures that may be displaced by a forced contraction. Rhabdomyolysis Presence of permanent pacemaker or AICD, and for those with external wires after cardiac surgery, those who are using or at high risk for the development of a requirement for an external pacemaker. Skin breakdown or malignant skin involvement over the gluteal regions that would preclude the use of surface electrodes. BMI > 40