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 ... Get a flatter stomach in 7 week with this intense 7 Repeat for Round 2 of the Ultimate Beginner
1 Minute Core Abs Workout - 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 ... Get a flatter stomach in 7 week with this intense 7 Repeat for Round 2 of the Ultimate Beginner