Medicine Ball Ab Workout • Ab Exercises with a Medicine Ball “1/14/14” – CrossFit Boro Colin Farrell shows off muscular physique after workout in LA Destination Crossfit | Walla Walla — Athlete Award Spotlight: Aaron R. If you’ve read my introductory guide to this training regime, CrossFit 101, you’ve already seen the basic vocabulary. If not, remember that it means “workout of the