Ready to go beyond crunches, Russian twists, and planks? Try this 20-minute core workout programmed by a trainer for an advanced six-move core workout.

Lie on back with arms extended toward the ceiling in-line with shoulders and legs bent to 90 degrees (knees above hips). Pressing lower back into floor and engaging abs, slowly extend and lower right ...

The ab rollout, even when done on your knees, is extremely effective at strengthening your core as it stabilizes your body during the movement. In this video I show a beginner ab wheel progression, ...