Media Summary: Planking engages more muscles than crunches and burns more calories, too! So, what are you waiting for? Get on the floor for 60 ... Follow along with Chris Heria as he takes you through a complete, super effective 6 pack
1 Minute Abs Core Routine - Detailed Analysis & Overview
Planking engages more muscles than crunches and burns more calories, too! So, what are you waiting for? Get on the floor for 60 ... Follow along with Chris Heria as he takes you through a complete, super effective 6 pack