I recently came across the butterfly crunch while doing a Fitness Blender 10 Minute Abs workout (see minute 1:53-2:50). I’ve done a bazillion of crunches over the years and experimented with various styles and difficulties, but this one had eluded me. So, I decided to make this my workout move of the week. As you know, I’m just getting started with this blog, so I am hoping to post a new exercise move (new to me, at least) on roughly a weekly basis to help you shake up your normal routine. So, the butterfly crunch. As with many crunches, you can do it in a number of different ways. But the basic idea…