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  1. How to Do a Sit-Up | Ab Workout

  2. How to Do a Crunch | Ab Workout

  3. How to Do a Side Crunch | Ab Workout

  4. How to Do a Reverse Crunch | Ab Workout

  5. How to Do an Ab Reverse Curl | Ab Workout

  6. How to Do a One-Sided Crunch | Ab Workout

  7. How to Do a Figure 8 Crunch | Ab Workout

  8. How to Do a Long Arm Weighted Crunch | Ab Workout

  9. How to Do a Dumbbell Side Bend | Ab Workout

  10. How to Do a Dumbbell Twist | Ab Workout

  11. How to Do a Crunch / Side Bend Combo | Ab Workout

  12. How to Do a Side Plank | Ab Workout

  13. How to Do a Leg Raise | Ab Workout

  14. How to Do a Jackknife | Ab Workout

  15. How to Do a Bicycle Kick | Ab Workout

  16. How to Do Scissors | Ab Workout

  17. How to Do Lying Toe Taps | Ab Workout

  18. How to Do a Toe Touch | Ab Workout

  19. How to Do a Windshield Wiper | Ab Workout

  20. How to Do a Russian Twist | Ab Workout

  21. How to Do an Oblique V Up | Ab Workout

  22. How to Do a Wood Chop Sit-Up | Ab Workout

  23. How to Do Straight Arm Crossover Sit-Up | Ab Workout

  24. Super Crunches with Medicine Ball | Ab Workout

  25. One-Arm Sit-Ups with Medicine Ball | Ab Workout

  26. How to Do Front Plank on Exercise Ball | Ab Workout

  27. How to Do Knee Tucks on Exercise Ball | Ab Workout

  28. How to Do Ab Crunches on Exercise Ball | Ab Workout

  29. How to Do Side Crunch on Exercise Ball | Ab Workout

  30. How to Do Seated Twist on Exercise Ball | Ab Workout

  31. How to Do Lying Twist on Exercise Ball | Ab Workout

  32. Reaching Crunch on Exercise Ball | Ab Workout

  33. Swiss Oblique Crunch on Exercise Ball | Ab Workout

  34. How to Do an Exercise Ball Jackknife | Ab Workout

  35. Six-Pack Shortcuts | Ab Workout

  36. 3 Basics for a Killer Ab Workout | Ab Workout

  37. The Truth about Abs | Ab Workout

  38. Ab Workout for Men with James Rizzo | Ab Workout