15 Simple Yet Effective Ab Exercises You Can Do at Home

This no-impact move works your obliques and upper abdominals.

• Lie flat on the floor with your lower back pressed to the ground. Put your hands behind your head. Bring in your knees toward your chest and lift your shoulder blades off the ground.
• Straighten your right leg, hovering it off the ground, while turning your upper body to the left bringing your right elbow toward your left knee. Make sure your rib cage is moving and not just your elbows.
• Switch sides, extending the left leg and drawing the left knee in. That's one rep.