1. THE UTILITY OF A MULTIDIRECTIONAL SUBMAXIMAL EXERTIONAL STEP AS PART OF AN EXERTIONAL REHABILITATION PROTOCOL AFTER CONCUSSION. Issue 7 (30th July 2021) Authors: Paulsen, Katelyn; Johnson, Kyle; Marx, Tyler; Minor, Jon; Streeter, Leslie; Pita, Monica; Braden, Gaige; Frino, Libby; Peterson, Erin; Handmaker, Hirsch; Mortazavi, Mo Journal: Orthopaedic journal of sports medicine Issue: Volume 9:Issue 7(2021)Supplement 3 Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗