Sumo Side Crunch (abs/obliques, bum & inner thighs) 1.Stand in 2nd position w/ hands behind head. 2.Lower into a sumo squat. 3.Maintaining squat, bend laterally to the Right, bringing Right elbow to Right knee. 3.Bend laterally to the Left, bringing Left elbow to Left knee. Do 2 sets of 10 reps.