"The Six Greatest Ab Exercises of All-Time"

Long-Arm Weighted Crunch
This abs exercise targets your upper abs. Lie on your back with your knees bent and your feet flat on the floor. Hold a light dumbbell in each hand and extend your arms straight back beyond your head. Now crunch your rib cage toward your pelvis, keeping your shoulders still and your arms straight. Don't generate momentum with your arms. Perform 12 to 15 repetitions.

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