Can't do regular crunches

What can I do to strengthen my abs? Try a seated crunch.Loop an exercise band through the back of a chair, drape the ends over your shoulders, and hold on to them. (The band will add resistance, since you're not working against gravity.)Sit straight with your feet flat on the floor about hip-width apart. Contracting your abs, slowly curl forward about 45 degrees. Hold, then slowly release.Do 10 to 15 repetitions, two or three times a week.

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