30 Days of Stand Up Abs - Day 3 - Bent Knee Side Crunch - This focuses on the obliques. Again, engage the core, bend at the knee with your leg open to the side, raise your knee to your elbow and squeeze those obliques! Do 3-5 sets of 10 reps to each side. #corecrusher #thatisrich #getsome #standupabs www.standupabs.net














