DC personal trainer Josef Brandenburg shows you how to activate your core (engage your core) with the inchworm exercise (or push up walk out).
This is one of the metabolic ramp up drills used at True 180 Fitness, a DC personal training company that focuses on helping people get results in the time they actually have. You can find out more about what they can do for you at
See what True 180's other members say about their experience right here: http://youtu.be/5JCJCW_bxIU
Check out what Alwyn Cosgrove expert fitness coach and fat loss expert (and best selling author) has to say about the personal trainers he would be working with if he was in the Washington, DC here: http://youtu.be/rjyoaq-JjHk