HOW: Begin this exercise on your back with one knee bent and the other leg straight. Place the opposite hand of the knee that is bent under the small of your back. From here, push gently down into your hand to engage your core....

HOW: Begin laying on your back with your feet bent and holding a dumbbell with both hands at your chest. From this position, use your abdominal muscles to lift your shoulders and mid back off of the ground.   FEEL: You will feel your abdominal muscles...

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