Range of Motion Tests (VIDEO) University of Pittsburgh This video is under embargo. Please login to access this video. Caption Electrical stimulation of the spinal cord improves the range of hand and arm motion (hand opening and shoulder abduction). Credit Powell et al., Nature Medicine, 2023 Usage Restrictions For use with this press release only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.