Ready to work you abs and tone your butt? Then follow along as Katie Dunlop of Love Sweat Fitness [1] puts your core and backside to work! You don't need any equipment for this one, so get at it.
On Anna: Onzie top [2]
On Rece: MISSION top [3]
All tights by Goldsheep Clothing [4]
All shoes by Athletic Propulsion Labs (APL) [5]
Manduka Mats [6]