This is why we plank! 30 day challenge. This is the BEST for toning and strengthening my core.
Health and fitness at any age is determination and working hard. #kevco
The transformations physiques of Christian Bale, 2000~2012.
30 day ab squat challenge
going to try this!
30 Day Ab/Squat Challenge
Just crunches won't flatten your belly....gotta work out the whole core. This has 4 exercises that take 15 mins total.
30 Day Squat Challenge
Pilates Boot Camp