The Best Ab Workout For A Six-Pack

• Sit-Up. 15-20 reps or to failure.

• Flat Bench Lying Leg Raise. 15-20 reps or to failure.

• Jackknife Sit-Up. 15-20 reps or to failure.

• Flat Bench Leg Pull-In. 15-20 reps or to failure.

• Toe Touchers. 15-20 reps (reps or to failure)

• Crunches. 15-20 reps or to failure.

• Reverse Crunch