6 Easy Lower Abdominal Exercises! Move 6: Torso Twist (A) Sit cross-legged and stretch your arms out in front of you, with your fingertips touching. Breathe in. (B) With your hips square and abs tight, breathe out as you slowly rotate your upper body about 45 degrees to the right. Return to the center and repeat on your left side. Complete 10 reps.