Richard Shields and Natalia Lawson, University of Iowa (image) University of Iowa Health Care Share Print E-Mail Caption A new clinical trial conducted by University of Iowa researchers shows that delivering high doses of "load," or stress, to bone through programmed electrical stimulation of the muscle significantly slows the loss of bone density in patients with spinal cord injury. The image shows UI physical therapy researcher Richard Shields and graduate research assistant Natalia Lawson demonstrating the specially modified wheelchair and muscle stimulation apparatus used by the study participants. Credit University of Iowa Health Care Usage Restrictions Image may be used for news and educational purposes provide appropriate credit is used. Share Print E-Mail 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.