When it feels like someone has clamped a vice on your uterus, the last thing you feel like doing is working out. But strapping on your running shoes may be just the solution you need. While strength training and flexibility exercises are important parts of your workout routine, aerobic exercises tend to be the most helpful for cramps. So get out there and get your heart pumping! My favorite activity is going for a brisk walk. I love walking with my English Bulldog, but he's pretty slow ... if I really want to get my heart pumping, I need to leave him at home. But any activity you enjoy will do - try jogging, swimming, biking, playing team sports, or taking a high energy class at your local gym.