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" Many of us have a standard ab routine, but we might forget that working our core (the muscles of the abdomen, lower back, hips and pelvis) is more important than just having a flat stomach or a six-pack. Strengthening this region of the body is essential when you do any type of exercise consistently, and especially if you are training for triathlons, marathons or doing any other type of intensive workout. Because these muscles support your lower back as well as the entire abdominal structure, doing exercise moves that focus on them helps prevent exercise-related injuries, reduce lower back pain, improve balance and promote better posture. Beginning October 5th, on every Monday, Wednesday and Friday WD will feature a different exercise that will help get your core back into shape. Monday&amp;#039;s video featured the oblique reach exercise and in today&amp;#039;s video, expert Carol Childers explains how to utilize the stability ball when doing the plank exercise.       "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.womansday.com/health-fitness/workout-routines/advice/a997/core-exercises-prone-plank-93493/>