Set-up of the Experiment (IMAGE) European Synchrotron Radiation Facility Caption This is the set-up of the experiment at the ESRF where a powerful synchrotron X-ray technique was used to observe for the first time at the molecular scale how muscle proteins change form and structure inside an intact and contracting muscle cell. Credit V. Lombardi, Florence University Usage Restrictions None License Licensed 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.