The purpose of this research study is to test the safety of a new investigational noninvasive spinal cord stimulation device called ExaStim and to see if it will help improve movement and sensation in the upper body, arms, and hands of individuals with spinal cord injury.

If you choose to participate, you will be asked to:

• Attend all scheduled visits (a total of 28 visits, lasting approximately 13 weeks), including a screening visit to ensure you meet all of the criteria for the study, 24 visits where you will receive the study treatment or a sham treatment, 2 visits to check on your hand functions in the middle and end of the treatment, and a follow-up visit 4 weeks after the last treatment visit to check on your well-being
• Answer any questions truthfully, including questions about your medications and medical history
• Be willing and able to follow the study directions and procedures
• Tell the study staff about any problems or side effects
• Ask questions as you think of them
• Tell the investigator or study staff if you change your mind about staying in the study
• Receive study compensation

Chung-Ying Tsai, PhD is the principal investigator of this project.