Exercises like planks, leg raises ... side to side for a total of 10 reps. Begin standing with your feet shoulder-width apart. Engaging the abs, bring your right knee up toward the chest ...
Instructions: Complete 3 or 4 sets of 8 to 12 reps of each move, resting for 20 to 30 seconds between sets. If you can do more than 12 (good!) reps in 30 to 40 seconds, you should go up in weight. If ...