Correspondence to Dr John E Kuhn, Chief of Shoulder Surgery, Vanderbilt University Medical Center, Vanderbilt Sports Medicine, 3200 MCE South Tower, 1215 21st Avenue South, Nashville, TN 37232, USA; j ...

A limitation to the accurate study of muscle injuries and their management has been the lack of a uniform approach to the categorisation and grading of muscle injuries. The goal of this narrative ...