45-30-15 reps (or seconds) for time of: GHD sit-ups Hip extensions L-sit hold (seconds) Plank hold (seconds) Three Important Ab Exercises In May of 2003, Coach Glassman wrote the article 3 Important Ab Exercises. As CrossFit has developed folks have been wowed by heavy lifts, crazy workouts, and lots of volume. But as Coach Glassman...Read More