Atomic Sit-ups Posted on September 1, 2018August 31, 2018 by A.D. As many rounds as possible in 20 minutes of: 400 meter Run 20 Walking Lunge Steps 10 Atomic Sit-ups Share this:Click to share on Facebook (Opens in new window)MoreClick to share on Pinterest (Opens in new window)Click to share on Twitter (Opens in new window)Click to email this to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading... Related