Advanced Core on Beam June 3, 2013 by Tony Retrosi 1 Comment Mary Lee Tracy shares some advanced Core exercises on beam. Follow Mary Lee on YOUTUBE for some other great drills. Facebook0TwitterLinkedin0GoogleEmailShare this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Related posts: Leg Extension Exercises Releve Training with Mary Lee Tracy Fun Straight Body Drill for Pre-School Bounding Exercise for Tumbling Back Layout Drills