The Double Cross exercise targets your abs, obliques, back, shoulders and arms while working your hamstrings. Do 8 reps. Double Cross, 1 set of 8 reps.
-Drop 10 pounds with Fitness Magazine's You Can Do It Plan. Double Cross: Do 8 reps. If you're using a modified knees-down position for this move, extend 1 leg behind you to do the crossover. Then return both knees to the floor.
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