HIIT Exercise: How To Do Full Extension Crunches


How To Do Full Extension Crunches

Targeted Muscle Groups: Abs

How to do full extension crunches step by step:

  1. Sit on the edge of a swiss ball so that your feet are flat on the floor and the swiss ball is at the base of your back
  2. Extend yourself backwards over the swiss ball and lower yourself towards the ground holding for a two count when abs are fully extended
  3. Contract your abs and raise back up to the starting position
  4. Repeat

Swiss Ball Alternatives: If you do not have access to a swiss ball you can replace it with a stack of folded towels or 2 or three pillows.

Posted in Core, HIITDEX

Become A Student!

Sign up to get the first two weeks of the Fit & Lean 8 Week HIIT routine completely FREE!

About Us

We’re Alex & Tim Ruben. Former Division 1 college football athletes turned HIIT and fat loss specialists. We’re here to teach you everything you need to know about getting and staying fit in less than 20 minutes a day!