The plank is an excellent way to strengthen your core.
Exercise of the Week: Bosu Oblique Crunch with Hip Abduction #core #abs #coreworkout
This is harder than it looks. Love the Bosu!
10 Best Workouts For Fab Abs
Try this High-Cable Woodchop ab exercise for a flat belly and sexy abs
Daily Hiit workouts. Legs.
Kneeling Cable Crunch:Define and tone your midsection!
250 rep challenge! Trim, tuck, and tone your #abs.
Creator of the 21 Day Fix, Autumn Calabrese, shows you how to strengthen your core! Simple workouts now for more challenges later... http://www.onesteptoweightloss.com/21-day-fix-workout-review #15LBWeightLoss