Traditional mountain climbers are a very challenging, and fat-burning move that gets your heart rate up, but this slower version focuses more on your core. Take a look at how this ab move works as demonstrated by Perri Shakes-Drayton, then incorporate it into your routine 2 times a week.
P.S. If you have not already registered for the 2012 Mission Inn Run, do it today! We look forward to seeing all of you! Register Here 🙂