8 Ab Exercises You Can Do In Just 15 Minutes

Get a stronger core with these simple moves.

Strengthening your entire core will ease stress on your lower back and can actually help you to stand taller. Use these moves selected by Jessica Matthews, the continuing-education coordinator for the American Council on Exercise, to work all your abdominal and back muscles. After the warm-up, do each exercise once; work your way up to two sets. Finish with the cool down.

 Stronger Abs

Illustration by Jason Lee