Two separate Ab workouts to get a little sweaty and the core working! Not essential in phase 1 but if you want more here they are! You can do these as stand alone workouts or added to the end of any other work.
Crunch, Cross, Scissor
Just seven and a half minutes but enough to cause good fatigue in the abs.
Anti-Extension work
Learning how to control the ribs and hips by using the abs.