Lie faceup with your knees bent, feet flat on the floor and hip-width apart. Place your hands behind your head, fingers unclasped, elbows back. Inhale, then exhale as you draw your abdominals in, lifting your head and shoulders off the floor.
At the same time, bring your ribs toward your hips, keeping your buttocks relaxed [shown]. Slowly return to the starting position.
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