Improving Upper Extremity Function and Trunk Stability After Cervical Spinal Cord Injury (SCI)

Inclusion Criteria: * History of traumatic SCI * Less than 5months post SCI * SCI injury level C1-C8 * SCI categorized as AIS B-D * Currently receiving inpatient rehabilitation at Craig Hospital * Passive range of motion (ROM) within functional limits at wrists, shoulders, and elbows * Demonstrate motor response to electrical stimulation in majority of UE muscle groups below level of injury (tested during screening) * No complicating physical or cognitive conditions (as determined by their physician) that would preclude safe use of electrical stimulation * Able to complete study as an outpatient if discharged from inpatient rehabilitation before completing 40 sessions of training Exclusion Criteria: * Unstable chronic cardiac or respiratory complaints * Current or history of UE contracture or skin pressure injuries that might interfere with intervention * Received Botox injections within the last 3 months * Pregnant * Implanted devices including: pacemaker, spinal cord stimulator, ventriculoperitoneal shunt, deep brain stimulator, or intra-thecal pump.